Merge heads

2012-05-09 12:20:53 +08:00
parent b6fdf4e6e4
commit 7b14315cbe
97 changed files with 2987 additions and 2768 deletions
@@ -180,9 +180,6 @@ limitations under the License.
    <activity
      android:label="@string/menu_sensor_state"
      android:name="com.google.android.apps.mytracks.SensorStateActivity" />
    <activity
      android:label="@string/settings_title"
      android:name="com.google.android.apps.mytracks.SettingsActivity" />
    <activity android:name="com.google.android.apps.mytracks.TrackDetailActivity" />
    <activity
      android:name="com.google.android.apps.mytracks.TrackEditActivity" />
@@ -210,6 +207,14 @@ limitations under the License.
    <activity android:name="com.google.android.apps.mytracks.io.sendtogoogle.AccountChooserActivity" />
    <activity android:name="com.google.android.apps.mytracks.io.sendtogoogle.UploadResultActivity" />
    <activity android:name="com.google.android.apps.mytracks.io.sendtogoogle.UploadServiceChooserActivity" />
    <activity android:name="com.google.android.apps.mytracks.settings.BackupSettingsActivity" />
    <activity android:name="com.google.android.apps.mytracks.settings.ChartSettingsActivity" />
    <activity android:name="com.google.android.apps.mytracks.settings.MapSettingsActivity" />
    <activity android:name="com.google.android.apps.mytracks.settings.RecordingSettingsActivity" />
    <activity android:name="com.google.android.apps.mytracks.settings.SensorSettingsActivity" />
    <activity android:name="com.google.android.apps.mytracks.settings.SettingsActivity" />
    <activity android:name="com.google.android.apps.mytracks.settings.SharingSettingsActivity" />
    <activity android:name="com.google.android.apps.mytracks.settings.StatsSettingsActivity" />
    <!-- Services -->
    <service
      android:exported="false"
@@ -1,66 +0,0 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2009 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
  style="@style/ScrollView" >
  <LinearLayout
    android:layout_height="wrap_content"
    android:layout_width="fill_parent"
    android:orientation="vertical"
    android:padding="8dp" >
    <TextView
      android:drawableLeft="@drawable/x_axis"
      android:text="@string/chart_settings_x_axis"
      style="@style/TextLarge.WithIcon" />
    <RadioGroup
      android:id="@+id/chart_settings_x"
      android:layout_height="wrap_content"
      android:layout_width="wrap_content" >
      <RadioButton
        android:id="@+id/chart_settings_by_distance"
        android:text="@string/chart_settings_by_distance"
        style="@style/TextMedium" />
      <RadioButton
        android:id="@+id/chart_settings_by_time"
        android:text="@string/chart_settings_by_time"
        style="@style/TextMedium" />
    </RadioGroup>
    <TextView
      android:drawableLeft="@drawable/y_axis"
      android:text="@string/chart_settings_y_axis"
      style="@style/TextLarge.WithIcon" />
    <CheckBox
      android:id="@+id/chart_settings_elevation"
      android:text="@string/stats_elevation"
      style="@style/TextMedium" />
    <CheckBox
      android:id="@+id/chart_settings_speed"
      android:text="@string/stats_speed"
      style="@style/TextMedium" />
    <CheckBox
      android:id="@+id/chart_settings_power"
      android:text="@string/sensor_state_power"
      style="@style/TextMedium" />
    <CheckBox
      android:id="@+id/chart_settings_cadence"
      android:text="@string/sensor_state_cadence"
      style="@style/TextMedium" />
    <CheckBox
      android:id="@+id/chart_settings_heart_rate"
      android:text="@string/sensor_state_heart_rate"
      style="@style/TextMedium" />
  </LinearLayout>
 </ScrollView>
@@ -1,56 +0,0 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2012 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
  style="@style/ScrollView" >
  <LinearLayout
    android:layout_height="wrap_content"
    android:layout_width="fill_parent"
    android:orientation="vertical"
    android:padding="8dp" >
    <TextView
      android:text="@string/stats_settings_time"
      style="@style/TextLarge" />
    <RadioGroup
      android:id="@+id/stats_settings_time"
      android:layout_height="wrap_content"
      android:layout_width="wrap_content" >
      <RadioButton
        android:id="@+id/stats_settings_total_time"
        android:text="@string/stats_total_time"
        style="@style/TextMedium" />
      <RadioButton
        android:id="@+id/stats_settings_moving_time"
        android:text="@string/stats_moving_time"
        style="@style/TextMedium" />
    </RadioGroup>
    <TextView
      android:text="@string/stats_settings_show"
      style="@style/TextLarge" />
    <CheckBox
      android:id="@+id/stats_settings_elevation"
      android:text="@string/stats_elevation"
      style="@style/TextMedium" />
    <CheckBox
      android:id="@+id/stats_settings_grade"
      android:text="@string/stats_settings_grade"
      style="@style/TextMedium" />
    <CheckBox
      android:id="@+id/stats_settings_coordinate"
      android:text="@string/stats_settings_coordinate"
      style="@style/TextMedium" />
  </LinearLayout>
 </ScrollView>
@@ -0,0 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2012 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <menu xmlns:android="http://schemas.android.com/apk/res/android" >
  <item
    android:icon="@drawable/menu_satellite_mode"
    android:id="@+id/map_satellite_mode"
    android:orderInCategory="6"/>
 </menu>
@@ -18,21 +18,25 @@ limitations under the License.
  <item
    android:icon="@drawable/menu_stop_recording"
    android:id="@+id/track_detail_stop_recording"
    android:orderInCategory="1"
    android:showAsAction="ifRoom"
    android:title="@string/menu_stop_recording"/>
  <item
    android:icon="@drawable/menu_insert_marker"
    android:id="@+id/track_detail_insert_marker"
    android:orderInCategory="2"
    android:showAsAction="ifRoom"
    android:title="@string/menu_insert_marker"/>
  <item
    android:icon="@drawable/menu_play"
    android:id="@+id/track_detail_play"
    android:orderInCategory="3"
    android:showAsAction="ifRoom"
    android:title="@string/menu_play"/>
  <item
    android:icon="@drawable/menu_share"
    android:id="@+id/track_detail_share"
    android:orderInCategory="4"
    android:showAsAction="ifRoom"
    android:title="@string/menu_share">
    <menu>
@@ -51,15 +55,19 @@ limitations under the License.
  <item
    android:icon="@drawable/menu_markers"
    android:id="@+id/track_detail_markers"
    android:orderInCategory="5"
    android:showAsAction="ifRoom"
    android:title="@string/menu_markers"/>
  <!-- android:orderInCategory="6" is in map.xml -->
  <item
    android:icon="@drawable/menu_send_google"
    android:id="@+id/track_detail_send_google"
    android:orderInCategory="7"
    android:title="@string/menu_send_google"/>
  <item
    android:icon="@drawable/menu_save"
    android:id="@+id/track_detail_save"
    android:orderInCategory="8"
    android:title="@string/menu_save">
    <menu>
      <item android:id="@+id/track_detail_save_gpx"/>
@@ -71,33 +79,26 @@ limitations under the License.
  <item
    android:icon="@drawable/menu_edit"
    android:id="@+id/track_detail_edit"
    android:orderInCategory="9"
    android:title="@string/menu_edit"/>
  <item
    android:icon="@drawable/menu_delete"
    android:id="@+id/track_detail_delete"
    android:orderInCategory="10"
    android:title="@string/menu_delete"/>
  <item
    android:icon="@drawable/menu_satellite_mode"
    android:id="@+id/track_detail_satellite_mode"
    android:title="@string/menu_satellite_mode"/>
  <item
    android:icon="@drawable/menu_sensor_state"
    android:id="@+id/track_detail_sensor_state"
    android:orderInCategory="11"
    android:title="@string/menu_sensor_state"/>
  <item
    android:icon="@drawable/menu_chart_settings"
    android:id="@+id/track_detail_chart_settings"
    android:title="@string/menu_chart_settings"/>
  <item
    android:icon="@drawable/menu_stats_settings"
    android:id="@+id/track_detail_stats_settings"
    android:title="@string/menu_stats_settings"/>
  <item
    android:icon="@drawable/menu_settings"
    android:id="@+id/track_detail_settings"
    android:orderInCategory="12"
    android:title="@string/menu_settings"/>
  <item
    android:icon="@drawable/menu_help"
    android:id="@+id/track_detail_help"
    android:orderInCategory="13"
    android:title="@string/menu_help"/>
 </menu>
@@ -16,7 +16,6 @@ limitations under the License.
 -->
 <resources>
  <!-- Do not translate any arrays in this file. -->
  <string-array name="activity_types">
    <item>@string/activity_type_airplane</item>
    <item>@string/activity_type_atv</item>
@@ -84,35 +83,28 @@ limitations under the License.
    <item>@string/activity_type_water_skiing</item>
    <item>@string/activity_type_wind_surfing</item>
  </string-array>
-
+  <string-array name="auto_resume_track_timeout_values">
  <string-array name="display_track_color_options">
    <item>@string/settings_display_track_color_single</item>
    <item>@string/settings_display_track_color_fixed</item>
    <item>@string/settings_display_track_color_dynamic</item>
  </string-array>
  <string-array name="display_track_color_values">
    <item>@string/display_track_color_value_none</item>
    <item>@string/display_track_color_value_fixed</item>
    <item>@string/display_track_color_value_dynamic</item>
  </string-array>
  <string-array name="file_types">
    <item>GPX</item>
    <item>KML</item>
    <item>CSV</item>
    <item>TCX</item>
  </string-array>
  <string-array name="recording_auto_resume_timeout_values">
    <item>0</item>
    <item>5</item>
    <item>10</item>
    <item>15</item>
    <item>-1</item>
  </string-array>
-
+  <string-array name="file_types">
-  <string-array name="recording_distance_values">
+    <item>GPX</item>
    <item>KML</item>
    <item>CSV</item>
    <item>TCX</item>
  </string-array>
  <string-array name="max_recording_distance_values">
    <item>50</item>
    <item>100</item>
    <item>200</item>
    <item>500</item>
    <item>1000</item>
    <item>5000</item>
  </string-array>
  <string-array name="min_recording_distance_values">
    <item>1</item>
    <item>2</item>
    <item>3</item>
@@ -121,20 +113,7 @@ limitations under the License.
    <item>10</item>
    <item>100</item>
  </string-array>
-
+  <string-array name="min_recording_interval_values">
  <string-array name="recording_gps_accuracy_values">
    <item>10</item>
    <item>20</item>
    <item>50</item>
    <item>100</item>
    <item>200</item>
    <item>500</item>
    <item>1000</item>
    <item>2000</item>
    <item>5000</item>
  </string-array>
  <string-array name="recording_interval_values">
    <item>-2</item>
    <item>-1</item>
    <item>0</item>
@@ -152,66 +131,77 @@ limitations under the License.
    <item>900</item>
    <item>1800</item>
  </string-array>
-
+  <string-array name="min_required_accuracy_values">
  <string-array name="recording_task_frequency_values">
    <item>0</item>
    <item>-100</item>
    <item>-50</item>
    <item>-25</item>
    <item>-10</item>
    <item>-5</item>
    <item>-1</item>
    <item>60</item>
    <item>30</item>
    <item>15</item>
    <item>10</item>
-    <item>5</item>
+    <item>20</item>
    <item>2</item>
    <item>1</item>
  </string-array>
  <string-array name="recording_track_distance_values">
    <item>50</item>
    <item>100</item>
    <item>200</item>
    <item>500</item>
    <item>1000</item>
    <item>2000</item>
    <item>5000</item>
  </string-array>
-
+  <string-array name="periodic_task_values">
-  <string-array name="sensor_type_ant_values">
+    <item>0</item>
-    <item>@string/sensor_type_value_ant</item>
+    <item>1</item>
-    <item>@string/sensor_type_value_srm_ant_bridge</item>
+    <item>2</item>
    <item>5</item>
    <item>10</item>
    <item>15</item>
    <item>30</item>
    <item>60</item>
    <item>-1</item>
    <item>-5</item>
    <item>-10</item>
    <item>-25</item>
    <item>-50</item>
    <item>-100</item>
  </string-array>
-
+  <string-array name="sensor_type_all_options">
  <string-array name="sensor_type_options">
    <item>@string/settings_sensor_type_none</item>
    <item>@string/settings_sensor_type_ant</item>
    <item>@string/settings_sensor_type_srm</item>
    <item>@string/settings_sensor_type_polar</item>
    <item>@string/settings_sensor_type_zephyr</item>
  </string-array>
-
+  <string-array name="sensor_type_all_values">
  <string-array name="sensor_type_values">
    <item>@string/sensor_type_value_none</item>
    <item>@string/sensor_type_value_ant</item>
    <item>@string/sensor_type_value_srm_ant_bridge</item>
    <item>@string/sensor_type_value_polar</item>
    <item>@string/sensor_type_value_zephyr</item>
  </string-array>
-
+  <string-array name="sensor_type_bluetooth_options">
-  <string-array name="settings_recording_track_name_options">
+    <item>@string/settings_sensor_type_none</item>
    <item>@string/settings_sensor_type_polar</item>
    <item>@string/settings_sensor_type_zephyr</item>
  </string-array>
  <string-array name="sensor_type_bluetooth_values">
    <item>@string/sensor_type_value_none</item>
    <item>@string/sensor_type_value_polar</item>
    <item>@string/sensor_type_value_zephyr</item>
  </string-array>
  <string-array name="track_color_mode_options">
    <item>@string/settings_map_track_color_mode_single</item>
    <item>@string/settings_map_track_color_mode_fixed</item>
    <item>@string/settings_map_track_color_mode_dynamic</item>
  </string-array>
  <string-array name="track_color_mode_values">
    <item>@string/settings_map_track_color_mode_single_value</item>
    <item>@string/settings_map_track_color_mode_fixed_value</item>
    <item>@string/settings_map_track_color_mode_dynamic_value</item>
  </string-array>
  <string-array name="track_name_options">
    <item>@string/settings_recording_track_name_date_local_option</item>
    <item>@string/settings_recording_track_name_date_iso_8601_option</item>
    <item>@string/settings_recording_track_name_number_option</item>
  </string-array>
-
+  <string-array name="track_name_values">
  <string-array name="settings_recording_track_name_values">
    <item>@string/settings_recording_track_name_date_local_value</item>
    <item>@string/settings_recording_track_name_date_iso_8601_value</item>
    <item>@string/settings_recording_track_name_number_value</item>
  </string-array>
  <string-array name="waypoint_types">
    <item>@string/waypoint_type_atm</item>
    <item>@string/waypoint_type_bank</item>
@@ -16,36 +16,25 @@ limitations under the License.
 -->
 <resources>
  <!-- DO NOT TRANSLATE ANY STRINGS IN THIS FILE. -->
-  <string name="color_mode_dynamic_percentage_default">25</string>
+  <string name="marker_statistics_icon_url">http://maps.google.com/mapfiles/ms/micons/ylw-pushpin.png</string>
-  <string name="color_mode_fixed_medium_default">15</string>
+  <string name="marker_waypoint_icon_url">http://maps.google.com/mapfiles/ms/micons/blue-pushpin.png</string>
-  <string name="color_mode_fixed_slow_default">9</string>
+  <string name="my_tracks_analytics_id">UA-7222692-2</string>
  <string name="display_track_color_value_dynamic">DYNAMIC</string>
  <string name="display_track_color_value_fixed">FIXED</string>
  <string name="display_track_color_value_none">NONE</string>
  <string name="marker_statistics_icon_url">
    http://maps.google.com/mapfiles/ms/micons/ylw-pushpin.png
  </string>
  <string name="marker_waypoint_icon_url">
    http://maps.google.com/mapfiles/ms/micons/blue-pushpin.png
  </string>
  <string name="my_tracks_analytics_id">UA-7222692-2</string> 
  <string name="my_tracks_privacy_url">www.google.com/policies/privacy/</string>
  <string name="my_tracks_recording_service_name">My Tracks Recording Service</string>
-  <string name="my_tracks_support_url">
+  <string name="my_tracks_support_url">groups.google.com/a/googleproductforums.com/forum/#!categories/maps/mytracks</string>
    groups.google.com/a/googleproductforums.com/forum/#!categories/maps/mytracks
  </string>
  <string name="my_tracks_web_url">www.google.com/mobile/mytracks</string>
-  <string name="permission_notification_value">
+  <string name="permission_notification_value">com.google.android.apps.mytracks.MYTRACKS_NOTIFICATIONS</string>
    com.google.android.apps.mytracks.MYTRACKS_NOTIFICATIONS
  </string>
  <string name="send_google_docs_url">docs.google.com</string>
  <string name="send_google_fusion_tables_url">google.com/fusiontables</string>
  <string name="send_google_maps_url">maps.google.com</string>
-  <string name="sensor_type_value_ant">ANT</string>    
+  <string name="sensor_type_value_ant">ANT</string>
  <string name="sensor_type_value_none">NONE</string>
  <string name="sensor_type_value_polar">POLAR</string>
  <string name="sensor_type_value_srm_ant_bridge">SRM_ANT_BRIDGE</string>
  <string name="sensor_type_value_zephyr">ZEPHYR</string>
  <string name="settings_map_track_color_mode_dynamic_value">DYNAMIC</string>
  <string name="settings_map_track_color_mode_fixed_value">FIXED</string>
  <string name="settings_map_track_color_mode_single_value">SINGLE</string>
  <string name="settings_recording_track_name_date_iso_8601_value">DATE_ISO_8601</string>
  <string name="settings_recording_track_name_date_local_value">DATE_LOCAL</string>
  <string name="settings_recording_track_name_number_value">NUMBER</string>
@@ -53,4 +42,4 @@ limitations under the License.
  <string name="track_action_save">android.intent.action.SAVE</string>
  <string name="track_action_start">com.google.android.apps.mytracks.START_NEW_TRACK</string>
  <string name="value_unknown">-</string>
- </resources>
+</resources>
@@ -15,18 +15,22 @@ See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <resources>
-
+  <!-- Keys for persisted preferences. Sorted alphabetically. DO NOT TRANSLATE. -->
  <!-- Keys for persisted preferences. Sorted alphabetically. - DO NOT TRANSLATE -->
  <string name="allow_access_key">allowAccess</string>
  <string name="announcement_frequency_key">announcementFrequency</string>
  <string name="ant_cadence_sensor_id_key">antCadenceSensorId</string>
  <string name="ant_cadence_speed_sensor_id_key">antCadenceSpeedSensorId</string>
  <string name="ant_heart_rate_sensor_id_key">antHeartRateSensorId</string>
-  <string name="ant_srm_bridge_sensor_id_key">antSRMBridgeSensorId</string>
+  <string name="ant_srm_bridge_sensor_id_key">antSrmBridgeSensorId</string>
  <string name="auto_resume_track_current_retry_key">autoResumeTrackCurrentRetry</string>
  <string name="auto_resume_track_timeout_key">autoResumeTrackTimeout</string>
  <string name="bluetooth_pairing_key">bluetoothPairing</string>
  <string name="bluetooth_sensor_key">bluetoothSensor</string>
  <string name="chart_by_distance_key">chartByDistance</string>
  <string name="chart_show_cadence_key">chartShowCadence</string>
  <string name="chart_show_elevation_key">chartShowElevation</string>
  <string name="chart_show_heart_rate_key">chartShowHeartRate</string>
  <string name="chart_show_power_key">chartShowPower</string>
  <string name="chart_show_speed_key">chartShowSpeed</string>
  <string name="default_activity_key">defaultActivity</string>
  <string name="default_map_public_key">defaultMapPublic</string>
  <string name="max_recording_distance_key">maxRecordingDistance</string>
@@ -51,20 +55,28 @@ limitations under the License.
  <string name="stats_show_coordinate_key">statsShowCoordinate</string>
  <string name="stats_show_elevation_key">statsShowElevation</string>
  <string name="stats_show_grade_key">statsShowGrade</string>
-  <string name="stats_show_total_time_key">statsShowTotalTime</string>    
+  <string name="stats_use_total_time_key">statsUseTotalTime</string>
-  <string name="track_color_mode_dynamic_speed_variation_key">trackColorModeDynamicVariation</string>
+  <string name="track_color_mode_medium_key">trackColorModeMedium</string>
-  <string name="track_color_mode_fixed_speed_medium_display_key">trackColorModeFixedMediumDisplay</string>
+  <string name="track_color_mode_percentage_key">trackColorModePercentage</string>
-  <string name="track_color_mode_fixed_speed_medium_key">trackColorModeFixedMedium</string>
+  <string name="track_color_mode_slow_key">trackColorModeSlow</string>
  <string name="track_color_mode_fixed_speed_slow_display_key">trackColorModeFixedSlowDisplay</string>
  <string name="track_color_mode_fixed_speed_slow_key">trackColorModeFixedSlow</string>
  <string name="track_color_mode_key">trackColorMode</string>
  <string name="track_name_key">trackName</string>
-
+  <!-- Keys for non-persisted preferences. Sorted alphabetically. DO NOT TRANSLATE. -->
-  <!-- Keys for non-persisted preferences. Sorted alphabetically. - DO NOT TRANSLATE -->
+  <string name="settings_backup_key">settingsBackup</string>
-  <string name="ant_options_key">antOptions</string>
+  <string name="settings_backup_now_key">settingsBackupNow</string>
-  <string name="backup_to_sd_key">backupToSd</string>
+  <string name="settings_backup_restore_key">settingsBackupRestore</string>
-  <string name="reset_key">resetToDefaults</string>
+  <string name="settings_chart_key">settingsChart</string>
-  <string name="restore_from_sd_key">restoreFromSd</string>
+  <string name="settings_map_key">settingsMap</string>
-  <string name="sensor_options_key">sensorOptions</string>
+  <string name="settings_map_medium_display_key">settingsMapMediumDisplay</string>
-  <string name="track_color_mode_fixed_speed_options_key">trackColorModeFixedOptions</string>
+  <string name="settings_map_percentage_display_key">settingsMapPercentageDisplay</string>
  <string name="settings_map_slow_display_key">settingsMapSlowDisplay</string>
  <string name="settings_recording_key">settingsRecording</string>
  <string name="settings_reset_key">settingsReset</string>
  <string name="settings_sensor_key">settingsSensor</string>
  <string name="settings_sensor_ant_key">settingsSensorAnt</string>
  <string name="settings_sensor_bluetooth_key">settingsSensorBluetooth</string>
  <string name="settings_sensor_bluetooth_pairing_key">settingsSensorBluetoothPairing</string>
  <string name="settings_sensor_root_key">settingsSensorRoot</string>
  <string name="settings_sharing_key">settingsSharing</string>
  <string name="settings_stats_key">settingsStats</string>
 </resources>
@@ -416,30 +416,6 @@ limitations under the License.
    Record and share your GPS tracks with My Tracks.
  </string>
  <!-- Chart Settings -->
  <string name="chart_settings_by_distance"
    translation_description="In the 'Chart settings' dialog, under the 'X axis' section, the radio
      option to show the charts by distance. The other radio option is to show by time. User can
      only choose one of the options.">
    By distance
  </string>
  <string name="chart_settings_by_time"
    translation_description="In the 'Chart settings' dialog, under the 'X axis' section, the radio
      option to show the charts by time. The other radio option is to show by distance. User can
      only choose one of the options.">
    By time
  </string>
  <string name="chart_settings_x_axis"
    translation_description="In the 'Chart settings' dialog, the section label for configuring the X
      axis.">
    X axis
  </string>
  <string name="chart_settings_y_axis"
    translation_description="In the 'Chart settings' dialog, the section label for configuring the Y
      axis.">
    Y axis
  </string>
  <!-- Description -->
  <string name="description_activity_type"
    translation_description="Activity type description.
@@ -1034,10 +1010,6 @@ limitations under the License.
    translation_description="In the menu, to go to the aggregated statistics page.">
    Aggregated statistics
  </string>
  <string name="menu_chart_settings"
    translation_description="In the menu, to change the chart settings.">
    Chart settings
  </string>
  <string name="menu_delete_all"
    translation_description="In the menu, to delete all the tracks.">
    Delete all
@@ -1141,10 +1113,6 @@ limitations under the License.
    translation_description="In the menu, to show a marker on map.">
    Show on map
  </string>
  <string name="menu_stats_settings"
    translation_description="In the menu, to change the stats settings.">
    Stats settings
  </string>  
  <string name="menu_stop_recording"
    translation_description="In the menu, to stop recording a track.">
    Stop recording
@@ -1213,23 +1181,6 @@ limitations under the License.
    write data to My Tracks and start/stop My Tracks recording
  </string>
  <!-- Preferred Units -->
  <string name="preferred_units_imperial"
    translation_description="In the dialog asking the user to choose a preferred units, the option
      to choose the imperial units.">
    Imperial (mi, ft)
  </string>
  <string name="preferred_units_metric"
    translation_description="In the dialog asking the user to choose a preferred units, the option
      to choose the metric units.">
    Metric (km, m)
  </string>
  <string name="preferred_units_title"
    translation_description="The title of the dialog asking the user to choose a preferred units,
      metric or imperial.">
    Preferred Units
  </string>
  <!-- Save All -->
  <string name="save_all_error"
    translation_description="When saving all the tracks to the SD card, a toast message indicating
@@ -1480,7 +1431,7 @@ limitations under the License.
    Sending
  </string>
-  <!-- Settings -->
+  <!-- Settings Backup -->
  <string name="settings_backup"
    translation_description="In the 'Settings' page, the option to change the data backup related
      settings.
@@ -1541,142 +1492,87 @@ limitations under the License.
      the SD card.">
    Restore all tracks and settings from the SD card.
  </string>
  <string name="settings_backup_sd_card"
    translation_description="In the 'Backup' settings, the section header for configuring backup to
      the SD card.
-      Character limit: ~40 (1 line)">
+  <!-- Settings Chart -->
-    SD card
+  <string name="settings_chart_by_distance"
    translation_description="In the 'Chart' settings, the option to display the x axis by
      distance.">
    By distance
  </string>  
  <string name="settings_chart_by_time"
    translation_description="In the 'Chart' settings, the option to display the x axis by time.">
    By time
  </string>
  <string name="settings_chart_x_axis"
    translation_description="In the 'Chart' setttings, the option to change the x axis display,
      either by distance or by time.">
    X axis
  </string>
  <string name="settings_display"
    translation_description="In the 'Settings' page, the option to change the display related
      settings.
-      Character limit: ~26 (1 line)">
+  <!-- Settings Map -->
-    Display
+  <string name="settings_map_medium"
    translation_description="In the 'Map' settings, under the 'Fixed thresholds' configurations, the
      option for configuring the top medium speed.">
    Top medium speed
  </string>
-  <string name="settings_display_metric"
+  <string name="settings_map_percentage"
-    translation_description="In the 'Display' settings, the checkbox option to use the metric units.
+    translation_description="In the 'Map' settings, under the 'Dynamic thresholds' configurations,
-
+      the option for configuring the percentage from the average speed for the medium speed range.">
-      Character limit: ~23 (1 line)">
+    Percentage from average
    Use metric
  </string>
-  <string name="settings_display_metric_summary_off"
+  <string name="settings_map_percentage_summary"
-    translation_description="In the 'Display' settings, the summary for the 'Use metric'
+    translation_description="In the 'Map' settings, under the 'Dynamic thresholds' configurations,
-      checkbox when it is unchecked explaining using the imperial units to display distances.">
+      the summary for the 'Percentage from average' option explaining that it sets the percentage
-    Use imperial units to display distances.
+      from the average speed for the medium speed range. The 'Dynamic thresholds' track color mode
-  </string>
+      uses different colors to color a track depending on whether the speed is above, in, or below
  <string name="settings_display_metric_summary_on"
    translation_description="In the 'Display' settings, the summary for the 'Use metric'
      checkbox when it is checked explaining using the metric units to display distances.">
    Use metric units to display distances.
  </string>
  <string name="settings_display_speed"
    translation_description="In the 'Display' settings, the checkbox option to display speed (e.g.,
      5 miles per hour) instead of pace (e.g., 0.2 hours per mile).
      Character limit: ~23 (1 line)">
    Display speed
  </string>
  <string name="settings_display_speed_summary_off"
    translation_description="In the 'Display' settings, the summary for the 'Display speed' checkbox
      when it is unchecked explaining that pace (e.g., 0.2 hours per mile) will be used instead of
      speed (e.g., 5 miles per hour).">
    Display pace (e.g., hours/mile).
  </string>
  <string name="settings_display_speed_summary_on"
    translation_description="In the 'Display' settings, the summary for the 'Display speed' checkbox
      when it is checked explaining that speed (e.g., 5 miles per hour) will be used instead of pace
      (e.g., 0.2 hours per mile).">
    Display speed (e.g., miles/hour).
  </string>
  <string name="settings_display_track_color"
    translation_description="In the 'Display' settings, the dropdown option to choose a track color
      mode for how to use different colors to color a track based on slow, medium, and fast speed.
      Character limit: ~23 (1 line)">
    Color mode
  </string>
  <string name="settings_display_track_color_dynamic"
    translation_description="In the 'Display' settings, for the 'Color mode' dropdown, the
      option to use different colors to color a track based on dynamically determined speed
      thresholds. E.g., use one color when the speed is below the slow speed threshold.
      Character limit: ~21 (1 line)">
    Dynamic thresholds
  </string>
  <string name="settings_display_track_color_dynamic_medium"
    translation_description="In the 'Display' settings, under the 'Dynamic thresholds'
      configurations, the option for configuring the percentage from the average speed for the
      medium speed range. The color mode will use different colors to color a track depending
      on whether the speed is above, in, or below the medium speed range.
      Character limit: ~23 (1 line)">
    Percentage
  </string>
  <string name="settings_display_track_color_dynamic_medium_summary"
    translation_description="In the 'Display' settings, under the 'Dynamic thresholds'
      configurations, the summary for the 'Percentage' option explaining that it sets
      the percentage from the average speed for the medium speed range. The color mode will
      use different colors to color a track depending on whether the speed is above, in, or below
      the medium speed range.">
    Percentage from the average speed for the medium speed range.
  </string>
-  <string name="settings_display_track_color_fixed"
+  <string name="settings_map_slow"
-    translation_description="In the 'Display' settings, for the 'Color mode' dropdown, the
+    translation_description="In the 'Map' settings, under the 'Fixed thresholds' configurations,
-      option to use different colors to color a track based on fixed speed thresholds. E.g., use
+      the option for configuring the top slow speed.">
-      one color when the speed is below the slow speed threshold.
+    Top slow speed
-
+  </string>
-      Character limit: ~21 (1 line)">
+  <string name="settings_map_track_color_mode"
    translation_description="In the 'Map' settings, the option to select a track color mode for how
      to use different colors to color a track based on slow, medium, and fast speed.">
    Track color mode
  </string>
  <string name="settings_map_track_color_mode_dynamic"
    translation_description="In the 'Map' settings, for the 'Track color mode' dropdown, the
      option to use different colors to color a track based on dynamically determined speed
      thresholds.">
    Dynamic thresholds
  </string>
  <string name="settings_map_track_color_mode_fixed"
    translation_description="In the 'Map' settings, for the 'Track color mode' dropdown, the
      option to use different colors to color a track based on fixed speed thresholds.">
    Fixed thresholds
  </string>
-  <string name="settings_display_track_color_fixed_medium"
+  <string name="settings_map_track_color_mode_single"
-    translation_description="In the 'Display' settings, under the 'Fixed thresholds' configurations,
+    translation_description="In the 'Map' settings, for the 'Track color mode' dropdown, the
-      the option for configuring the medium speed threshold. Thus any speed lower than the
+      option to use a single color for all speeds.">
      threshold but greater than the slow speed threshold will be colored by the medium speed
      color.
      Character limit: ~23 (1 line)">
    Medium speed
  </string>
  <string name="settings_display_track_color_fixed_medium_summary"
    translation_description="In the 'Display' settings, under the 'Fixed thresholds' configurations,
      the summary for the 'Medium speed' option explaining that it sets a cutoff speed
      for the medium speed color.">
    Medium speed top value.
  </string>
  <string name="settings_display_track_color_fixed_slow"
    translation_description="In the 'Display' settings, under the 'Fixed thresholds' configurations,
      the option for configuring the slow speed threshold. Thus any speed lower than the threshold
      will be colored by the slow speed color.
      Character limit: ~23 (1 line)">
    Slow speed
  </string>
  <string name="settings_display_track_color_fixed_slow_summary"
    translation_description="In the 'Display' settings, under the 'Fixed thresholds' configurations,
      the summary for the 'Slow speed' option explaining that it sets a cutoff speed for
      the slow speed color.">
    Slow speed top value.
  </string>
  <string name="settings_display_track_color_single"
    translation_description="In the 'Display' settings, for the 'Color mode' dropdown, the
      option to use a single color for all speeds.
      Character limit: ~21 (1 line)">
    Single color
  </string>
-  <string name="settings_display_track_color_summary"
+  <string name="settings_map_track_color_mode_summary"
-    translation_description="In the 'Display' settings, the summary for the 'Color mode'
+    translation_description="In the 'Map' settings, the summary for the 'Track color mode' option
-      dropdown explaining that it configures how colors are used to color a track based on
+      explaining that it configures how colors are used to color a track based on slow, medium, and
-      slow, medium, and fast speed.">
+      fast speed.">
    The way to color a track based on slow, medium, and fast speed.
  </string>
  <!-- Settings Others -->
  <string name="settings_show"
    translation_description="In settings, the section label to show additional values.">
    Show
  </string>
  <string name="settings_not_while_recording"
    translation_description="In settings, the summary for an option that is not available during a
      track recording.">
    Not available while recording a track.
  </string>
  <!-- Settings Recording -->
  <string name="settings_recording"
    translation_description="In the 'Settings' page, the option to change the track recording
      related settings.
@@ -1822,6 +1718,8 @@ limitations under the License.
      announcements.">
    Time/distance between two voice announcements.
  </string>
  <!-- Settings Reset -->
  <string name="settings_reset"
    translation_description="In the 'Settings' page, the option to reset everything to the defaults.
@@ -1845,6 +1743,8 @@ limitations under the License.
      explaining reverting all the settings to the default values.">
    Revert all your settings to the default values.
  </string>
  <!-- Settings Sensor -->
  <string name="settings_sensor"
    translation_description="In the 'Settings' page, the option to change the sensor related
      settings.
@@ -1968,6 +1868,8 @@ limitations under the License.
      Character limit: ~26 (1 line)">
    Unpair SRM ANT+ bridge
  </string>
  <!-- Settings Sharing -->
  <string name="settings_sharing"
    translation_description="In the 'Settings' page, the option to change the track sharing related
      settings.
@@ -2040,9 +1942,61 @@ limitations under the License.
      sharing a URL with friends.">
   Remove any descriptive text when sharing a URL with friends.
  </string>
-  <string name="settings_title"
+
-    translation_description="The title of the 'Settings' page.">
+  <!-- Settings Stats -->
-    My Tracks settings
+  <string name="settings_stats_coordinate"
    translation_description="In the 'Stats settings, the option to show latitude and longitude.">
    Latitude/Longitude
  </string>
  <string name="settings_stats_grade"
    translation_description="In the 'Stats settings, the option to show grade. Grade is the amount
      of inclination to the horizontal, also known as slope or incline.">
    Grade
  </string>
  <string name="settings_stats_rate_pace_imperial"
    translation_description="In the 'Stats' settings, the option to display pace, with example in
      imperial units.">
    Pace (hr/mi)
  </string>
  <string name="settings_stats_rate_pace_metric"
    translation_description="In the 'Stats' settings, the option to display pace, with example in
      metric units.">
    Pace (hr/km)
  </string>
  <string name="settings_stats_rate_speed_imperial"
    translation_description="In the 'Stats' settings, the option to display speed, with example in
      imperial units.">
    Speed (mi/hr)
  </string>
  <string name="settings_stats_rate_speed_metric"
    translation_description="In the 'Stats' settings, the option to display speed, with example in
      metric units.">
    Speed (km/hr)
  </string>
  <string name="settings_stats_rate_title"
    translation_description="In the 'Stats' settings, the option to change the preferred rate,
      either speed (mi/hr) or pace (hr/mi).">
    Preferred rate
  </string>
  <string name="settings_stats_time_title"
    translation_description="In the 'Stats' settings, the option to change the time measurement,
      either total time or moving time.">
    Time measurement
  </string>
  <string name="settings_stats_units_imperial"
    translation_description="In the 'Stats' setttings, the option to use imperial units, with
      examples.">
    Imperial (mi, ft)
  </string>
  <string name="settings_stats_units_metric"
    translation_description="In the 'Stats' settings, the option to use metric units, with
      examples.">
    Metric (km, m)
  </string>  
  <string name="settings_stats_units_title"
    translation_description="In the 'Stats' settings page, the option to change the preferred units,
      either metric (km) or imperial (mi).">
    Preferred units
  </string>
  <!-- Share Track -->
@@ -2145,28 +2099,6 @@ limitations under the License.
    Total time
  </string>
  <!-- Stats Settings -->
  <string name="stats_settings_show"
    translation_description="In the 'Stats settings' dialog, the section label to show additional
      stats.">
    Show
  </string>
  <string name="stats_settings_grade"
    translation_description="In the 'Stats settings' dialog, the option to show grade. Grade is
      the amount of inclination to the horizontal, also known as slope or incline.">
    Grade
  </string>
  <string name="stats_settings_coordinate"
    translation_description="In the 'Stats settings' dialog, the option to show latitude and
      longitude.">
    Latitude/Longitude
  </string>
  <string name="stats_settings_time"
    translation_description="In the 'Stats settings' dialog, the section label to choose between
      displaying total time or moving time.">
    Time
  </string>
  <!-- Track -->
  <string name="track_detail_chart_tab"
    translation_description="In the track detail page, the title of the tab showing the chart.">
@@ -2300,7 +2232,7 @@ limitations under the License.
      %1$.2f: a float number. E.g., '2.22'">
    %1$.2f km
  </string>
-    <string name="value_float_kilometer_hour"
+  <string name="value_float_kilometer_hour"
    translation_description="Display a float value in kilometers per hour (km/h).
      %1$.2f: a float number. E.g., '2.22'">
@@ -2371,6 +2303,12 @@ limitations under the License.
      %1$d: an integer value. E.g., '2'">
    %1$d km
  </string>
  <string name="value_integer_kilometer_hour"
    translation_description="Display an integer value in kilometers per hour (km/h).
      %1$d: an integer value. E.g., '2'">
    %1$d km/h
  </string>
  <string name="value_integer_meter"
    translation_description="In a setting picker, the string format to display an integer value in
      meters (m).
@@ -2406,6 +2344,12 @@ limitations under the License.
      %1$d: an integer value. E.g., '2'">
    %1$d mi
  </string>
  <string name="value_integer_mile_hour"
    translation_description="Display an integer value in miles per hour (mi/h).
      %1$d: an integer value. E.g., '2'">
    %1$d mi/h
  </string>
  <string name="value_integer_minute"
    translation_description="In a setting picker, the string format to display an integer value in
      minutes (min).
@@ -0,0 +1,27 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2012 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
  android:title="@string/settings_backup" >
  <Preference
    android:key="@string/settings_backup_now_key"
    android:persistent="false"
    android:title="@string/settings_backup_now" />
  <Preference
    android:key="@string/settings_backup_restore_key"
    android:persistent="false"
    android:title="@string/settings_backup_restore" />
 </PreferenceScreen>
@@ -0,0 +1,46 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2012 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
  android:title="@string/track_detail_chart_tab" >
  <CheckBoxPreference
    android:defaultValue="true"
    android:key="@string/chart_by_distance_key"
    android:summaryOff="@string/settings_chart_by_time"
    android:summaryOn="@string/settings_chart_by_distance"
    android:title="@string/settings_chart_x_axis" />
  <PreferenceCategory android:title="@string/settings_show" >
    <CheckBoxPreference
      android:defaultValue="true"
      android:key="@string/chart_show_elevation_key"
      android:title="@string/stats_elevation" />
    <CheckBoxPreference
      android:defaultValue="true"
      android:key="@string/chart_show_speed_key" />
    <CheckBoxPreference
      android:defaultValue="true"
      android:key="@string/chart_show_heart_rate_key"
      android:title="@string/sensor_state_heart_rate" />
    <CheckBoxPreference
      android:defaultValue="true"
      android:key="@string/chart_show_cadence_key"
      android:title="@string/sensor_state_cadence" />
    <CheckBoxPreference
      android:defaultValue="true"
      android:key="@string/chart_show_power_key"
      android:title="@string/sensor_state_power" />
  </PreferenceCategory>
 </PreferenceScreen>
@@ -0,0 +1,51 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2012 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
  android:title="@string/track_detail_map_tab" >
  <ListPreference
    android:defaultValue="@string/settings_map_track_color_mode_single_value"
    android:entries="@array/track_color_mode_options"
    android:entryValues="@array/track_color_mode_values"
    android:key="@string/track_color_mode_key"
    android:summary="@string/settings_map_track_color_mode_summary"
    android:title="@string/settings_map_track_color_mode" />
  <PreferenceCategory android:title="@string/settings_map_track_color_mode_fixed" >
    <EditTextPreference
      android:imeOptions="actionDone"
      android:inputType="number"
      android:key="@string/settings_map_slow_display_key"
      android:persistent="false"
      android:title="@string/settings_map_slow" >
    </EditTextPreference>
    <EditTextPreference
      android:imeOptions="actionDone"
      android:inputType="number"
      android:key="@string/settings_map_medium_display_key"
      android:persistent="false"
      android:title="@string/settings_map_medium" >
    </EditTextPreference>
  </PreferenceCategory>
  <PreferenceCategory android:title="@string/settings_map_track_color_mode_dynamic" >
    <EditTextPreference
      android:imeOptions="actionDone"
      android:inputType="number"
      android:key="@string/settings_map_percentage_display_key"
      android:persistent="false"
      android:title="@string/settings_map_percentage" >
    </EditTextPreference>
  </PreferenceCategory>
 </PreferenceScreen>
@@ -1,235 +0,0 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2010 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <PreferenceScreen
  xmlns:android="http://schemas.android.com/apk/res/android">
  <!-- Display settings -->
  <PreferenceScreen android:title="@string/settings_display">
    <CheckBoxPreference
        android:key="@string/metric_units_key"
        android:title="@string/settings_display_metric"
        android:summaryOn="@string/settings_display_metric_summary_on"
        android:summaryOff="@string/settings_display_metric_summary_off"
        android:defaultValue="true" />
    <CheckBoxPreference
        android:key="@string/report_speed_key"
        android:title="@string/settings_display_speed"
        android:summaryOn="@string/settings_display_speed_summary_on"
        android:summaryOff="@string/settings_display_speed_summary_off"
        android:defaultValue="true" />
    <ListPreference android:key="@string/track_color_mode_key"
        android:title="@string/settings_display_track_color"
        android:summary="@string/settings_display_track_color_summary"
        android:entries="@array/display_track_color_options"
        android:entryValues="@array/display_track_color_values"
        android:defaultValue="@string/display_track_color_value_none"/>
    <PreferenceCategory android:title="@string/settings_display_track_color_fixed"
        android:key="@string/track_color_mode_fixed_speed_options_key">
        <EditTextPreference android:key="@string/track_color_mode_fixed_speed_slow_key"
            android:title="@string/settings_display_track_color_fixed_slow"
            android:summary="@string/settings_display_track_color_fixed_slow_summary"
            android:defaultValue="@string/color_mode_fixed_slow_default"
            android:inputType="number"
            android:maxLength="3">
        </EditTextPreference>
        <EditTextPreference android:key="@string/track_color_mode_fixed_speed_slow_display_key"
            android:title="@string/settings_display_track_color_fixed_slow"
            android:summary="@string/settings_display_track_color_fixed_slow_summary"
            android:defaultValue="@string/color_mode_fixed_slow_default"
            android:inputType="number"
            android:maxLength="3">
        </EditTextPreference>
        <EditTextPreference android:key="@string/track_color_mode_fixed_speed_medium_key"
            android:title="@string/settings_display_track_color_fixed_medium"
            android:summary="@string/settings_display_track_color_fixed_medium_summary"
            android:defaultValue="@string/color_mode_fixed_medium_default"
            android:inputType="number"
            android:maxLength="3">
        </EditTextPreference>
        <EditTextPreference android:key="@string/track_color_mode_fixed_speed_medium_display_key"
            android:title="@string/settings_display_track_color_fixed_medium"
            android:summary="@string/settings_display_track_color_fixed_medium_summary"
            android:defaultValue="@string/color_mode_fixed_medium_default"
            android:inputType="number"
            android:maxLength="3">
        </EditTextPreference>
    </PreferenceCategory>
    <PreferenceCategory android:title="@string/settings_display_track_color_dynamic">
        <EditTextPreference android:key="@string/track_color_mode_dynamic_speed_variation_key"
            android:title="@string/settings_display_track_color_dynamic_medium"
            android:summary="@string/settings_display_track_color_dynamic_medium_summary"
            android:defaultValue="@string/color_mode_dynamic_percentage_default"
            android:inputType="number"
            android:maxLength="2">
        </EditTextPreference>
    </PreferenceCategory>
  </PreferenceScreen>
  <!-- Recording settings -->
  <PreferenceScreen android:title="@string/settings_recording">
    <com.google.android.apps.mytracks.IntegerListPreference
        android:key="@string/announcement_frequency_key"
        android:title="@string/settings_recording_voice"
        android:summary="@string/settings_recording_voice_summary"
        android:entryValues="@array/recording_task_frequency_values"
        android:defaultValue="0" />
    <com.google.android.apps.mytracks.IntegerListPreference
        android:key="@string/split_frequency_key"
        android:title="@string/settings_recording_marker"
        android:summary="@string/settings_recording_marker_summary"
        android:entryValues="@array/recording_task_frequency_values"
        android:defaultValue="0" />
    <com.google.android.apps.mytracks.IntegerListPreference
        android:key="@string/min_recording_interval_key"
        android:title="@string/settings_recording_interval"
        android:summary="@string/settings_recording_interval_summary"
        android:entryValues="@array/recording_interval_values"
        android:defaultValue="0" />
    <com.google.android.apps.mytracks.IntegerListPreference
        android:key="@string/min_recording_distance_key"
        android:title="@string/settings_recording_distance"
        android:summary="@string/settings_recording_distance_summary"
        android:entryValues="@array/recording_distance_values"
        android:defaultValue="5" />
    <com.google.android.apps.mytracks.IntegerListPreference
        android:key="@string/max_recording_distance_key"
        android:title="@string/settings_recording_track_distance"
        android:summary="@string/settings_recording_track_distance_summary"
        android:entryValues="@array/recording_track_distance_values"
        android:defaultValue="200" />
    <com.google.android.apps.mytracks.IntegerListPreference
        android:key="@string/min_required_accuracy_key"
        android:title="@string/settings_recording_gps_accuracy"
        android:summary="@string/settings_recording_gps_accuracy_summary"
        android:entryValues="@array/recording_gps_accuracy_values"
        android:defaultValue="200" />
    <com.google.android.apps.mytracks.IntegerListPreference
        android:key="@string/auto_resume_track_timeout_key"
        android:title="@string/settings_recording_auto_resume"
        android:summary="@string/settings_recording_auto_resume_summary"
        android:entryValues="@array/recording_auto_resume_timeout_values"
        android:defaultValue="10" />
    <ListPreference android:key="@string/track_name_key"
        android:title="@string/settings_recording_track_name"
        android:summary="@string/settings_recording_track_name_summary"
        android:entries="@array/settings_recording_track_name_options"
        android:entryValues="@array/settings_recording_track_name_values"
        android:defaultValue="@string/settings_recording_track_name_date_local_value"/>
    <com.google.android.apps.mytracks.AutoCompleteTextPreference
        android:key="@string/default_activity_key"
        android:title="@string/settings_recording_default_activity"
        android:summary="@string/settings_recording_default_activity_summary"
        android:defaultValue="" />
  </PreferenceScreen>
  <!-- Sensors -->
  <PreferenceScreen android:title="@string/settings_sensor"
      android:key="@string/sensor_options_key">
    <ListPreference android:key="@string/sensor_type_key"
        android:title="@string/settings_sensor_type"
        android:summary="@string/settings_sensor_type_summary"
        android:entries="@array/sensor_type_options"
        android:entryValues="@array/sensor_type_values"
        android:defaultValue="@string/sensor_type_value_none"/>
    <!-- Bluetooth -->
    <PreferenceCategory android:title="@string/settings_sensor_bluetooth_options">
      <ListPreference android:key="@string/bluetooth_sensor_key"
                      android:title="@string/settings_sensor_bluetooth_sensor"
                      android:summary="@string/settings_sensor_bluetooth_sensor_summary"
                      android:defaultValue="" />
      <Preference android:key="@string/bluetooth_pairing_key"
                  android:title="@string/settings_sensor_bluetooth_pairing"
                  android:summary="@string/settings_sensor_bluetooth_pairing_summary"
                  android:persistent="false" />
    </PreferenceCategory>
    <PreferenceCategory android:title="@string/settings_sensor_ant_options"
      android:key="@string/ant_options_key">
 	    <com.google.android.apps.mytracks.AntPreference
 	    	android:key="@string/ant_heart_rate_sensor_id_key"
 	        android:title="@string/settings_sensor_unpair_ant"/>
 	    <com.google.android.apps.mytracks.AntPreference
 	    	android:key="@string/ant_srm_bridge_sensor_id_key"
 	        android:title="@string/settings_sensor_unpair_srm"/>
    </PreferenceCategory>
  </PreferenceScreen>
  <!-- Sharing settings -->
  <PreferenceScreen android:title="@string/settings_sharing">
    <CheckBoxPreference
        android:key="@string/default_map_public_key"
        android:title="@string/settings_sharing_map_public"
        android:summaryOn="@string/settings_sharing_map_public_summary_on"
        android:summaryOff="@string/settings_sharing_map_public_summary_off"
        android:defaultValue="true" />
    <CheckBoxPreference
        android:key="@string/share_url_only_key"
        android:title="@string/settings_sharing_url_only"
        android:summaryOn="@string/settings_sharing_url_only_summary_on"
        android:summaryOff="@string/settings_sharing_url_only_summary_off"
        android:defaultValue="false" />
    <CheckBoxPreference
        android:key="@string/allow_access_key"
        android:title="@string/settings_sharing_allow_access"
        android:summaryOn="@string/settings_sharing_allow_access_summary_on"
        android:summaryOff="@string/settings_sharing_allow_access_summary_off"
        android:defaultValue="false" />
  </PreferenceScreen>
  <!-- Backup settings -->
  <PreferenceScreen android:title="@string/settings_backup">
    <PreferenceCategory android:title="@string/settings_backup_sd_card">
      <Preference
          android:key="@string/backup_to_sd_key"
          android:title="@string/settings_backup_now"
          android:summary="@string/settings_backup_now_summary"
          android:persistent="false" />
      <Preference
          android:key="@string/restore_from_sd_key"
          android:title="@string/settings_backup_restore"
          android:summary="@string/settings_backup_restore_summary"
          android:persistent="false" />
    </PreferenceCategory>
  </PreferenceScreen>
  <!-- Reset to defaults -->
  <Preference
      android:title="@string/settings_reset"
      android:key="@string/reset_key"
      android:summary="@string/settings_reset_summary"
      android:persistent="false" />
 </PreferenceScreen>
@@ -0,0 +1,73 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2012 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
  android:title="@string/settings_recording" >
  <com.google.android.apps.mytracks.IntegerListPreference
    android:defaultValue="0"
    android:entryValues="@array/periodic_task_values"
    android:key="@string/announcement_frequency_key"
    android:summary="@string/settings_recording_voice_summary"
    android:title="@string/settings_recording_voice" />
  <com.google.android.apps.mytracks.IntegerListPreference
    android:defaultValue="0"
    android:entryValues="@array/periodic_task_values"
    android:key="@string/split_frequency_key"
    android:summary="@string/settings_recording_marker_summary"
    android:title="@string/settings_recording_marker" />
  <ListPreference
    android:defaultValue="@string/settings_recording_track_name_date_local_value"
    android:entries="@array/track_name_options"
    android:entryValues="@array/track_name_values"
    android:key="@string/track_name_key"
    android:summary="@string/settings_recording_track_name_summary"
    android:title="@string/settings_recording_track_name" />
  <com.google.android.apps.mytracks.AutoCompleteTextPreference
    android:defaultValue=""
    android:key="@string/default_activity_key"
    android:summary="@string/settings_recording_default_activity_summary"
    android:title="@string/settings_recording_default_activity" />
  <com.google.android.apps.mytracks.IntegerListPreference
    android:defaultValue="0"
    android:entryValues="@array/min_recording_interval_values"
    android:key="@string/min_recording_interval_key"
    android:summary="@string/settings_recording_interval_summary"
    android:title="@string/settings_recording_interval" />
  <com.google.android.apps.mytracks.IntegerListPreference
    android:defaultValue="5"
    android:entryValues="@array/min_recording_distance_values"
    android:key="@string/min_recording_distance_key"
    android:summary="@string/settings_recording_distance_summary"
    android:title="@string/settings_recording_distance" />
  <com.google.android.apps.mytracks.IntegerListPreference
    android:defaultValue="200"
    android:entryValues="@array/max_recording_distance_values"
    android:key="@string/max_recording_distance_key"
    android:summary="@string/settings_recording_track_distance_summary"
    android:title="@string/settings_recording_track_distance" />
  <com.google.android.apps.mytracks.IntegerListPreference
    android:defaultValue="200"
    android:entryValues="@array/min_required_accuracy_values"
    android:key="@string/min_required_accuracy_key"
    android:summary="@string/settings_recording_gps_accuracy_summary"
    android:title="@string/settings_recording_gps_accuracy" />
  <com.google.android.apps.mytracks.IntegerListPreference
    android:defaultValue="10"
    android:entryValues="@array/auto_resume_track_timeout_values"
    android:key="@string/auto_resume_track_timeout_key"
    android:summary="@string/settings_recording_auto_resume_summary"
    android:title="@string/settings_recording_auto_resume" />
 </PreferenceScreen>
@@ -0,0 +1,51 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2012 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
  android:key="@string/settings_sensor_root_key"
  android:title="@string/settings_sensor" >
  <ListPreference
    android:defaultValue="@string/sensor_type_value_none"
    android:key="@string/sensor_type_key"
    android:summary="@string/settings_sensor_type_summary"
    android:title="@string/settings_sensor_type" />
  <PreferenceCategory
    android:key="@string/settings_sensor_bluetooth_key"
    android:title="@string/settings_sensor_bluetooth_options" >
    <Preference
      android:key="@string/settings_sensor_bluetooth_pairing_key"
      android:persistent="false"
      android:summary="@string/settings_sensor_bluetooth_pairing_summary"
      android:title="@string/settings_sensor_bluetooth_pairing" />
    <ListPreference
      android:defaultValue=""
      android:key="@string/bluetooth_sensor_key"
      android:summary="@string/settings_sensor_bluetooth_sensor_summary"
      android:title="@string/settings_sensor_bluetooth_sensor" />
  </PreferenceCategory>
  <PreferenceCategory
    android:key="@string/settings_sensor_ant_key"
    android:title="@string/settings_sensor_ant_options" >
    <com.google.android.apps.mytracks.AntPreference
      android:defaultValue="0"
      android:key="@string/ant_heart_rate_sensor_id_key"
      android:title="@string/settings_sensor_unpair_ant" />
    <com.google.android.apps.mytracks.AntPreference
      android:defaultValue="0"
      android:key="@string/ant_srm_bridge_sensor_id_key"
      android:title="@string/settings_sensor_unpair_srm" />
  </PreferenceCategory>
 </PreferenceScreen>
@@ -0,0 +1,51 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2010 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
  android:title="@string/menu_settings" >
  <Preference
    android:key="@string/settings_map_key"
    android:persistent="false"
    android:title="@string/track_detail_map_tab" />
  <Preference
    android:key="@string/settings_chart_key"
    android:persistent="false"
    android:title="@string/track_detail_chart_tab" />
  <Preference
    android:key="@string/settings_stats_key"
    android:persistent="false"
    android:title="@string/track_detail_stats_tab" />
  <Preference
    android:key="@string/settings_recording_key"
    android:persistent="false"
    android:title="@string/settings_recording" />
  <Preference
    android:key="@string/settings_sharing_key"
    android:persistent="false"
    android:title="@string/settings_sharing" />
  <Preference
    android:key="@string/settings_sensor_key"
    android:persistent="false"
    android:title="@string/settings_sensor" />
  <Preference
    android:key="@string/settings_backup_key"
    android:persistent="false"
    android:title="@string/settings_backup" />
  <Preference
    android:key="@string/settings_reset_key"
    android:persistent="false"
    android:title="@string/settings_reset" />
 </PreferenceScreen>
@@ -0,0 +1,37 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2012 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
  android:title="@string/settings_sharing" >
  <CheckBoxPreference
    android:defaultValue="true"
    android:key="@string/default_map_public_key"
    android:summaryOff="@string/settings_sharing_map_public_summary_off"
    android:summaryOn="@string/settings_sharing_map_public_summary_on"
    android:title="@string/settings_sharing_map_public" />
  <CheckBoxPreference
    android:defaultValue="false"
    android:key="@string/share_url_only_key"
    android:summaryOff="@string/settings_sharing_url_only_summary_off"
    android:summaryOn="@string/settings_sharing_url_only_summary_on"
    android:title="@string/settings_sharing_url_only" />
  <CheckBoxPreference
    android:defaultValue="false"
    android:key="@string/allow_access_key"
    android:summaryOff="@string/settings_sharing_allow_access_summary_off"
    android:summaryOn="@string/settings_sharing_allow_access_summary_on"
    android:title="@string/settings_sharing_allow_access" />
 </PreferenceScreen>
@@ -0,0 +1,49 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 Copyright 2012 Google Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
  android:title="@string/track_detail_stats_tab" >
  <CheckBoxPreference
    android:defaultValue="true"
    android:key="@string/metric_units_key"
    android:summaryOff="@string/settings_stats_units_imperial"
    android:summaryOn="@string/settings_stats_units_metric"
    android:title="@string/settings_stats_units_title" />
  <CheckBoxPreference
    android:defaultValue="true"
    android:key="@string/report_speed_key"
    android:title="@string/settings_stats_rate_title" />
  <CheckBoxPreference
    android:defaultValue="true"
    android:key="@string/stats_use_total_time_key"
    android:summaryOff="@string/stats_total_time"
    android:summaryOn="@string/stats_moving_time"
    android:title="@string/settings_stats_time_title" />
  <PreferenceCategory android:title="@string/settings_show" >
    <CheckBoxPreference
      android:defaultValue="false"
      android:key="@string/stats_show_elevation_key"
      android:title="@string/stats_elevation" />
    <CheckBoxPreference
      android:defaultValue="false"
      android:key="@string/stats_show_grade_key"
      android:title="@string/settings_stats_grade" />
    <CheckBoxPreference
      android:defaultValue="false"
      android:key="@string/stats_show_coordinate_key"
      android:title="@string/settings_stats_coordinate" />
  </PreferenceCategory>
 </PreferenceScreen>
@@ -34,8 +34,8 @@ public class AbstractMyTracksActivity extends FragmentActivity {
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
-    ApiAdapterFactory.getApiAdapter().configureActionBarHomeAsUp(this);   
+    ApiAdapterFactory.getApiAdapter().configureActionBarHomeAsUp(this);
-  } 
+  }
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
@@ -44,8 +44,8 @@ public class AbstractMyTracksActivity extends FragmentActivity {
    }
    onHomeSelected();
    return true;
-  }  
+  }
-  
+
  /**
   * Callback when the home menu item is selected.
   */
@@ -1,5 +1,6 @@
 package com.google.android.apps.mytracks;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
@@ -31,9 +32,9 @@ public class AutoCompleteTextPreference extends EditTextPreference {
    mEditText.setThreshold(0);
    // Gets autocomplete values for 'Default Activity' preference
-    if (getKey().equals(context.getString(R.string.default_activity_key))) {
+    if (PreferencesUtils.getKey(context, R.string.default_activity_key).equals(getKey())) {
-      ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(context,
+      ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
-          R.array.activity_types, android.R.layout.simple_dropdown_item_1line);
+          context, R.array.activity_types, android.R.layout.simple_dropdown_item_1line);
      mEditText.setAdapter(adapter);
    }
  }
@@ -156,12 +156,7 @@ public class ChartView extends View {
  private boolean metricUnits = true;
  private boolean showPointer = false;
-  /** Display chart versus distance or time */
+  private boolean chartByDistance = true;
  public enum Mode {
    BY_DISTANCE, BY_TIME
  }
  private Mode mode = Mode.BY_DISTANCE;
  public ChartView(Context context) {
    super(context);
@@ -394,22 +389,17 @@ public class ChartView extends View {
  }
  /**
-   * @return the current display mode (by distance, by time)
+   * Sets chart by distance value. It is expected that after changing this
   * value, data will be reloaded.
   * 
   * @param value true for by distance, false for by time.
   */
-  public Mode getMode() {
+  public void setChartByDistance(boolean value) {
-    return mode;
+    this.chartByDistance = value;
  }
  /**
   * Sets the display mode (by distance, by time).
   * It is expected that after the mode change, data will be reloaded.
   */
  public void setMode(Mode mode) {
    this.mode = mode;
  }
  private int getWaypointX(Waypoint waypoint) {
-    if (mode == Mode.BY_DISTANCE) {
+    if (chartByDistance) {
      double lenghtInKm = waypoint.getLength() * UnitConversions.M_TO_KM;
      return getX(metricUnits ? lenghtInKm : lenghtInKm * UnitConversions.KM_TO_MI);
    } else {
@@ -813,8 +803,7 @@ public class ChartView extends View {
    if (x < 0) {
      return;
    }
-    String s =
+    String s = chartByDistance
        (mode == Mode.BY_DISTANCE)
            ? (shortFormat ? X_SHORT_FORMAT.format(x) : X_FORMAT.format(x))
            : StringUtils.formatElapsedTime((long) x);
    c.drawText(s,
@@ -841,7 +830,7 @@ public class ChartView extends View {
    final int y = effectiveHeight + topBorder;
    canvas.drawLine(leftBorder, y, rightEdge, y, borderPaint);
    Context c = getContext();
-    String s = mode == Mode.BY_DISTANCE
+    String s = chartByDistance
        ? (metricUnits ? c.getString(R.string.unit_kilometer) : c.getString(R.string.unit_mile))
        : c.getString(R.string.unit_minute);
    canvas.drawText(s, rightEdge, effectiveHeight + .2f * UNIT_BORDER + topBorder, labelPaint);
@@ -875,17 +864,6 @@ public class ChartView extends View {
    }
  }
  /**
   * Returns whether a given time series is enabled for drawing.
   *
   * @param index the time series, one of {@link #ELEVATION_SERIES},
   *        {@link #SPEED_SERIES}, {@link #POWER_SERIES}, etc.
   * @return true if drawn, false otherwise
   */
  public boolean isChartValueSeriesEnabled(int index) {
    return series[index].isEnabled();
  }
  /**
   * Sets whether a given time series will be enabled for drawing.
   *
@@ -121,23 +121,10 @@ public abstract class Constants {
   * The name of extra intent property to indicate whether we want to resume
   * a previously recorded track.
   */
-  public static final String RESUME_TRACK_EXTRA_NAME =
+  public static final String
-      "com.google.android.apps.mytracks.RESUME_TRACK";
+      RESUME_TRACK_EXTRA_NAME = "com.google.android.apps.mytracks.RESUME_TRACK";
-  public static final String MAPSHOP_BASE_URL =
+  public static final String MAPSHOP_BASE_URL = "https://maps.google.com/maps/ms";
    "https://maps.google.com/maps/ms";
  /*
   * Default values - keep in sync with those in preferences.xml.
   */
  public static final int DEFAULT_ANNOUNCEMENT_FREQUENCY = -1;
  public static final int DEFAULT_AUTO_RESUME_TRACK_TIMEOUT = 10;  // In min.
  public static final int DEFAULT_MAX_RECORDING_DISTANCE = 200;
  public static final int DEFAULT_MIN_RECORDING_DISTANCE = 5;
  public static final int DEFAULT_MIN_RECORDING_INTERVAL = 0;
  public static final int DEFAULT_MIN_REQUIRED_ACCURACY = 200;
  public static final int DEFAULT_SPLIT_FREQUENCY = 0;
  public static final String SETTINGS_NAME = "SettingsActivity";
@@ -21,6 +21,7 @@ import com.google.android.apps.mytracks.io.file.GpxImporter;
 import com.google.android.apps.mytracks.util.FileUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.SystemUtils;
 import com.google.android.maps.mytracks.R;
 import android.os.AsyncTask;
 import android.os.PowerManager.WakeLock;
@@ -82,7 +83,8 @@ public class ImportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(importActivity);
    // Get the wake lock if not recording
-    if (PreferencesUtils.getRecordingTrackId(importActivity) == -1L) {
+    if (PreferencesUtils.getLong(importActivity, R.string.recording_track_id_key)
        == PreferencesUtils.RECORDING_TRACK_ID_DEFAULT) {
      wakeLock = SystemUtils.acquireWakeLock(importActivity, wakeLock);
    }
@@ -23,6 +23,7 @@ import com.google.android.apps.mytracks.maps.TrackPathPainterFactory;
 import com.google.android.apps.mytracks.maps.TrackPathUtilities;
 import com.google.android.apps.mytracks.util.IntentUtils;
 import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
 import com.google.android.maps.GeoPoint;
 import com.google.android.maps.MapView;
@@ -462,10 +463,8 @@ public class MapOverlay extends Overlay implements OnSharedPreferenceChangeListe
  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
    Log.d(TAG, "MapOverlay: onSharedPreferences changed " + key);
-    if (key != null) {
+    if (PreferencesUtils.getKey(context, R.string.track_color_mode_key).equals(key)) {
-      if (key.equals(context.getString(R.string.track_color_mode_key))) {
+      trackPathPainter = TrackPathPainterFactory.getTrackPathPainter(context);
        trackPathPainter = TrackPathPainterFactory.getTrackPathPainter(context);
      }
    }
  }
 }
@@ -81,16 +81,17 @@ public class MarkerListActivity extends AbstractMyTracksActivity {
   * Note that sharedPreferenceChangeListener cannot be an anonymous inner
   * class. Anonymous inner class will get garbage collected.
   */
-  private final OnSharedPreferenceChangeListener sharedPreferenceChangeListener =
+  private final OnSharedPreferenceChangeListener
-    new OnSharedPreferenceChangeListener() {
+      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
-    @Override
+          @Override
-    public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
+        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
-      // Note that key can be null
+          // Note that key can be null
-      if (PreferencesUtils.getRecordingTrackIdKey(MarkerListActivity.this).equals(key)) {
+          if (PreferencesUtils.getKey(MarkerListActivity.this, R.string.recording_track_id_key)
-        updateMenu();
+              .equals(key)) {
-      }
+            updateMenu();
-    }
+          }
-  };
+        }
      };
  private long trackId = -1;
  private ResourceCursorAdapter resourceCursorAdapter;
@@ -113,9 +114,8 @@ public class MarkerListActivity extends AbstractMyTracksActivity {
    setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
    setContentView(R.layout.marker_list);
-    SharedPreferences sharedPreferences = getSharedPreferences(
+    getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE)
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+        .registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
    sharedPreferences.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
    ListView listView = (ListView) findViewById(R.id.marker_list);
    listView.setEmptyView(findViewById(R.id.marker_list_empty));
@@ -188,7 +188,8 @@ public class MarkerListActivity extends AbstractMyTracksActivity {
  private void updateMenu() {
    if (insertMarkerMenuItem != null) {
-      insertMarkerMenuItem.setVisible(trackId == PreferencesUtils.getRecordingTrackId(this));
+      insertMarkerMenuItem.setVisible(
          trackId == PreferencesUtils.getLong(this, R.string.recording_track_id_key));
    }
  }
@@ -66,7 +66,8 @@ public class SaveAllAsyncTask extends AsyncTask<Void, Integer, Boolean> {
    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(saveAllActivity);
    // Get the wake lock if not recording
-    if (PreferencesUtils.getRecordingTrackId(saveAllActivity) == -1L) {
+    if (PreferencesUtils.getLong(saveAllActivity, R.string.recording_track_id_key)
        == PreferencesUtils.RECORDING_TRACK_ID_DEFAULT) {
      wakeLock = SystemUtils.acquireWakeLock(saveAllActivity, wakeLock);
    }
    success = false;
@@ -83,10 +83,12 @@ public class SearchListActivity extends AbstractMyTracksActivity {
  private final OnSharedPreferenceChangeListener
      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
-        @Override
+          @Override
        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
-          if (PreferencesUtils.getRecordingTrackIdKey(SearchListActivity.this).equals(key)) {
+          if (PreferencesUtils.getKey(SearchListActivity.this, R.string.recording_track_id_key)
-            recordingTrackId = PreferencesUtils.getRecordingTrackId(SearchListActivity.this);
+              .equals(key)) {
            recordingTrackId = PreferencesUtils.getLong(
                SearchListActivity.this, R.string.recording_track_id_key);
            arrayAdapter.notifyDataSetChanged();
          }
        }
@@ -123,10 +125,9 @@ public class SearchListActivity extends AbstractMyTracksActivity {
    searchEngine = new SearchEngine(myTracksProviderUtils);
    searchRecentSuggestions = SearchEngineProvider.newHelper(this);
    locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
-    SharedPreferences sharedPreferences = getSharedPreferences(
+    getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE)
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+        .registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
-    sharedPreferences.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+    recordingTrackId = PreferencesUtils.getLong(this, R.string.recording_track_id_key);
    recordingTrackId = PreferencesUtils.getRecordingTrackId(this);
    listView = (ListView) findViewById(R.id.search_list);
    listView.setEmptyView(findViewById(R.id.search_list_empty));
@@ -185,7 +186,8 @@ public class SearchListActivity extends AbstractMyTracksActivity {
  @Override
  protected void onResume() {
    super.onResume();
-    metricUnits = PreferencesUtils.isMetricUnits(this);
+    metricUnits = PreferencesUtils.getBoolean(
        this, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
  }
  @Override
@@ -1,717 +0,0 @@
 /*
 * Copyright 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks;
 import static com.google.android.apps.mytracks.Constants.TAG;
 import com.google.android.apps.mytracks.io.backup.BackupActivity;
 import com.google.android.apps.mytracks.io.backup.BackupPreferencesListener;
 import com.google.android.apps.mytracks.io.backup.RestoreChooserActivity;
 import com.google.android.apps.mytracks.services.sensors.ant.AntUtils;
 import com.google.android.apps.mytracks.util.ApiAdapterFactory;
 import com.google.android.apps.mytracks.util.BluetoothDeviceUtils;
 import com.google.android.apps.mytracks.util.DialogUtils;
 import com.google.android.apps.mytracks.util.IntentUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
 import com.google.android.maps.mytracks.R;
 import android.app.Dialog;
 import android.bluetooth.BluetoothAdapter;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 import android.preference.EditTextPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceManager;
 import android.preference.PreferenceScreen;
 import android.provider.Settings;
 import android.speech.tts.TextToSpeech;
 import android.util.Log;
 import android.widget.Toast;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 /**
 * An activity that let's the user see and edit the settings.
 * 
 * @author Leif Hendrik Wilden
 * @author Rodrigo Damazio
 */
 public class SettingsActivity extends PreferenceActivity {
  private static final int DIALOG_CONFIRM_RESET_ID = 0;
  private static final int DIALOG_CONFIRM_ACCESS_ID = 1;
  private static final int DIALOG_CONFIRM_RESTORE_ID = 2;
  // Value when the task frequency is off.
  private static final String TASK_FREQUENCY_OFF = "0";
  // Value when the recording interval is 'Adapt battery life'.
  private static final String RECORDING_INTERVAL_ADAPT_BATTERY_LIFE = "-2";
  // Value when the recording interval is 'Adapt accuracy'.
  private static final String RECORDING_INTERVAL_ADAPT_ACCURACY = "-1";
  // Value for the recommended recording interval.
  private static final String RECORDING_INTERVAL_RECOMMENDED = "0";
  // Value when the auto resume timeout is never.
  private static final String AUTO_RESUME_TIMEOUT_NEVER = "0";
  // Value when the auto resume timeout is always.
  private static final String AUTO_RESUME_TIMEOUT_ALWAYS = "-1";
  // Value for the recommended recording distance.
  private static final String RECORDING_DISTANCE_RECOMMENDED = "5";
  // Value for the recommended track distance.  
  private static final String TRACK_DISTANCE_RECOMMENDED = "200";
  // Value for the recommended GPS accuracy.
  private static final String GPS_ACCURACY_RECOMMENDED = "200";
  // Value when the GPS accuracy is for excellent GPS signal.
  private static final String GPS_ACCURACY_EXCELLENT = "10";
  // Value when the GPS accuracy is for poor GPS signal.
  private static final String GPS_ACCURACY_POOR = "5000";
  private BackupPreferencesListener backupListener;
  private SharedPreferences preferences;
  /** Called when the activity is first created. */
  @Override
  protected void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    // The volume we want to control is the Text-To-Speech volume
    setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
    // Tell it where to read/write preferences
    PreferenceManager preferenceManager = getPreferenceManager();
    preferenceManager.setSharedPreferencesName(Constants.SETTINGS_NAME);
    preferenceManager.setSharedPreferencesMode(0);
    // Set up automatic preferences backup
    backupListener = ApiAdapterFactory.getApiAdapter().getBackupPreferencesListener(this);
    preferences = preferenceManager.getSharedPreferences();
    preferences.registerOnSharedPreferenceChangeListener(backupListener);
    // Load the preferences to be displayed
    addPreferencesFromResource(R.xml.preferences);
    setRecordingIntervalOptions();
    setAutoResumeTimeoutOptions();
    // Hook up switching of displayed list entries between metric and imperial
    // units
    CheckBoxPreference metricUnitsPreference =
        (CheckBoxPreference) findPreference(PreferencesUtils.getMetricUnitsKey(this));
    metricUnitsPreference.setOnPreferenceChangeListener(
        new OnPreferenceChangeListener() {
          @Override
          public boolean onPreferenceChange(Preference preference,
              Object newValue) {
            boolean isMetric = (Boolean) newValue;
            updateDisplayOptions(isMetric);
            return true;
          }
        });
    updateDisplayOptions(metricUnitsPreference.isChecked());
    customizeSensorOptionsPreferences();
    customizeTrackColorModePreferences();
    // Hook up action for resetting all settings
    Preference resetPreference = findPreference(getString(R.string.reset_key));
    resetPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
      @Override
      public boolean onPreferenceClick(Preference arg0) {
        showDialog(DIALOG_CONFIRM_RESET_ID);
        return true;
      }
    });
    // Add a confirmation dialog for the 'Allow access' preference.
    CheckBoxPreference allowAccessPreference = (CheckBoxPreference) findPreference(
        getString(R.string.allow_access_key));
    allowAccessPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
      @Override
      public boolean onPreferenceChange(Preference preference, Object newValue) {
        if ((Boolean) newValue) {
          showDialog(DIALOG_CONFIRM_ACCESS_ID);
          return false;
        } else {
          return true;
        }
      }
    });
  }
  @Override
  protected Dialog onCreateDialog(int id) {
    switch (id) {
      case DIALOG_CONFIRM_RESET_ID:
        return DialogUtils.createConfirmationDialog(
            this, R.string.settings_reset_confirm_message, new DialogInterface.OnClickListener() {
              @Override
              public void onClick(DialogInterface dialog, int button) {
                onResetPreferencesConfirmed();
              }
            });
      case DIALOG_CONFIRM_ACCESS_ID:
        return DialogUtils.createConfirmationDialog(this,
            R.string.settings_sharing_allow_access_confirm_message,
            new DialogInterface.OnClickListener() {
              @Override
              public void onClick(DialogInterface dialog, int button) {
                CheckBoxPreference pref = (CheckBoxPreference) findPreference(
                    getString(R.string.allow_access_key));
                pref.setChecked(true);
              }
            });
      case DIALOG_CONFIRM_RESTORE_ID:
        return DialogUtils.createConfirmationDialog(this,
            R.string.settings_backup_restore_confirm_message,
            new DialogInterface.OnClickListener() {
              @Override
              public void onClick(DialogInterface dialog, int which) {
                Intent intent = IntentUtils.newIntent(
                    SettingsActivity.this, RestoreChooserActivity.class);
                startActivity(intent);
              }
            });
      default:
        return null;
    }
  }
  /**
   * Sets the display options for the 'Time between points' option.
   */
  private void setRecordingIntervalOptions() {
    String[] values = getResources().getStringArray(R.array.recording_interval_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      if (values[i].equals(RECORDING_INTERVAL_ADAPT_BATTERY_LIFE)) {
        options[i] = getString(R.string.value_adapt_battery_life);
      } else if (values[i].equals(RECORDING_INTERVAL_ADAPT_ACCURACY)) {
        options[i] = getString(R.string.value_adapt_accuracy);
      } else if (values[i].equals(RECORDING_INTERVAL_RECOMMENDED)) {
        options[i] = getString(R.string.value_smallest_recommended);
      } else {
        int value = Integer.parseInt(values[i]);
        String format;
        if (value < 60) {
          format = getString(R.string.value_integer_second);
        } else {
          value = value / 60;
          format = getString(R.string.value_integer_minute);
        }
        options[i] = String.format(format, value);
      }
    }
    ListPreference list = (ListPreference) findPreference(
        getString(R.string.min_recording_interval_key));
    list.setEntries(options);
  }
  /**
   * Sets the display options for the 'Auto-resume timeout' option.
   */
  private void setAutoResumeTimeoutOptions() {
    String[] values = getResources().getStringArray(R.array.recording_auto_resume_timeout_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      if (values[i].equals(AUTO_RESUME_TIMEOUT_NEVER)) {
        options[i] = getString(R.string.value_never);
      } else if (values[i].equals(AUTO_RESUME_TIMEOUT_ALWAYS)) {
        options[i] = getString(R.string.value_always);
      } else {
        int value = Integer.parseInt(values[i]);
        String format = getString(R.string.value_integer_minute);
        options[i] = String.format(format, value);
      }
    }
    ListPreference list = (ListPreference) findPreference(
        getString(R.string.auto_resume_track_timeout_key));
    list.setEntries(options);
  }
  private void customizeSensorOptionsPreferences() {
    ListPreference sensorTypePreference =
        (ListPreference) findPreference(getString(R.string.sensor_type_key));
    sensorTypePreference.setOnPreferenceChangeListener(
        new OnPreferenceChangeListener() {
          @Override
          public boolean onPreferenceChange(Preference preference,
              Object newValue) {
            updateSensorSettings((String) newValue);
            return true;
          }
        });
    updateSensorSettings(sensorTypePreference.getValue());
    if (!AntUtils.hasAntSupport(this)) {
      // The sensor options screen has a few ANT-specific options which we
      // need to remove.  First, we need to remove the ANT sensor types.
      // Second, we need to remove the ANT unpairing options.
      Set<Integer> toRemove = new HashSet<Integer>();
      String[] antValues = getResources().getStringArray(R.array.sensor_type_ant_values);
      for (String antValue : antValues) {
        toRemove.add(sensorTypePreference.findIndexOfValue(antValue));
      }
      CharSequence[] entries = sensorTypePreference.getEntries();
      CharSequence[] entryValues = sensorTypePreference.getEntryValues();
      CharSequence[] filteredEntries = new CharSequence[entries.length - toRemove.size()];
      CharSequence[] filteredEntryValues = new CharSequence[filteredEntries.length];
      for (int i = 0, last = 0; i < entries.length; i++) {
        if (!toRemove.contains(i)) {
          filteredEntries[last] = entries[i];
          filteredEntryValues[last++] = entryValues[i];
        }
      }
      sensorTypePreference.setEntries(filteredEntries);
      sensorTypePreference.setEntryValues(filteredEntryValues);
      PreferenceScreen sensorOptionsScreen =
          (PreferenceScreen) findPreference(getString(R.string.sensor_options_key));
      sensorOptionsScreen.removePreference(findPreference(getString(R.string.ant_options_key)));
    }
  }
  private void customizeTrackColorModePreferences() {
    ListPreference trackColorModePreference =
        (ListPreference) findPreference(getString(R.string.track_color_mode_key));
    trackColorModePreference.setOnPreferenceChangeListener(
        new OnPreferenceChangeListener() {
          @Override
          public boolean onPreferenceChange(Preference preference,
              Object newValue) {
            updateTrackColorModeSettings((String) newValue);
            return true;
          }
        });
    updateTrackColorModeSettings(trackColorModePreference.getValue());
    setTrackColorModePreferenceListeners();
    PreferenceCategory speedOptionsCategory = (PreferenceCategory) findPreference(
        getString(R.string.track_color_mode_fixed_speed_options_key));
    speedOptionsCategory.removePreference(
        findPreference(getString(R.string.track_color_mode_fixed_speed_slow_key)));
    speedOptionsCategory.removePreference(
        findPreference(getString(R.string.track_color_mode_fixed_speed_medium_key)));
  }
  @Override
  protected void onResume() {
    super.onResume();
    configureBluetoothPreferences();
    Preference backupNowPreference =
        findPreference(getString(R.string.backup_to_sd_key));
    Preference restoreNowPreference =
        findPreference(getString(R.string.restore_from_sd_key));
    Preference resetPreference = findPreference(getString(R.string.reset_key));
    // If recording, disable backup/restore/reset
    // (we don't want to get to inconsistent states)
    boolean recording = PreferencesUtils.getRecordingTrackId(this) != -1;
    backupNowPreference.setEnabled(!recording);
    restoreNowPreference.setEnabled(!recording);
    resetPreference.setEnabled(!recording);
    backupNowPreference.setSummary(
        recording ? R.string.settings_not_while_recording
                  : R.string.settings_backup_now_summary);
    restoreNowPreference.setSummary(
        recording ? R.string.settings_not_while_recording
                  : R.string.settings_backup_restore_summary);
    resetPreference.setSummary(
        recording ? R.string.settings_not_while_recording
                  : R.string.settings_reset_summary);
    // Add actions to the backup preferences
    backupNowPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
      @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = IntentUtils.newIntent(SettingsActivity.this, BackupActivity.class);
        startActivity(intent);
        return true;
      }
    });
    restoreNowPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
      @Override
      public boolean onPreferenceClick(Preference preference) {
        showDialog(DIALOG_CONFIRM_RESTORE_ID);
        return true;
      }
    });
  }
  @Override
  protected void onDestroy() {
    getPreferenceManager().getSharedPreferences()
        .unregisterOnSharedPreferenceChangeListener(backupListener);
    super.onPause();
  }
  private void updateSensorSettings(String sensorType) {
    boolean usesBluetooth =
        getString(R.string.sensor_type_value_zephyr).equals(sensorType)
        || getString(R.string.sensor_type_value_polar).equals(sensorType);
    findPreference(
        getString(R.string.bluetooth_sensor_key)).setEnabled(usesBluetooth);
    findPreference(
        getString(R.string.bluetooth_pairing_key)).setEnabled(usesBluetooth);
    // Update the ANT+ sensors.
    // TODO: Only enable on phones that have ANT+.
    Preference antHrm = findPreference(getString(R.string.ant_heart_rate_sensor_id_key));
    Preference antSrm = findPreference(getString(R.string.ant_srm_bridge_sensor_id_key));
    if (antHrm != null && antSrm != null) {
      antHrm
          .setEnabled(getString(R.string.sensor_type_value_ant).equals(sensorType));
      antSrm
          .setEnabled(getString(R.string.sensor_type_value_srm_ant_bridge).equals(sensorType));
    }
  }
  private void updateTrackColorModeSettings(String trackColorMode) {
    boolean usesFixedSpeed =
        trackColorMode.equals(getString(R.string.display_track_color_value_fixed));
    boolean usesDynamicSpeed =
        trackColorMode.equals(getString(R.string.display_track_color_value_dynamic));
    findPreference(getString(R.string.track_color_mode_fixed_speed_slow_display_key))
        .setEnabled(usesFixedSpeed);
    findPreference(getString(R.string.track_color_mode_fixed_speed_medium_display_key))
        .setEnabled(usesFixedSpeed);
    findPreference(getString(R.string.track_color_mode_dynamic_speed_variation_key))
        .setEnabled(usesDynamicSpeed);
  }
  /**
   * Updates display options that depends on the preferred distance units, metric or imperial.
   *
   * @param isMetric true to use metric units, false to use imperial
   */
  private void updateDisplayOptions(boolean isMetric) {
    setTaskOptions(isMetric, R.string.announcement_frequency_key);
    setTaskOptions(isMetric, R.string.split_frequency_key);
    setRecordingDistanceOptions(isMetric, R.string.min_recording_distance_key);
    setTrackDistanceOptions(isMetric, R.string.max_recording_distance_key);
    setGpsAccuracyOptions(isMetric, R.string.min_required_accuracy_key);
  }
  /**
   * Sets the display options for a periodic task.
   */
  private void setTaskOptions(boolean isMetric, int listId) {
    String[] values = getResources().getStringArray(R.array.recording_task_frequency_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      if (values[i].equals(TASK_FREQUENCY_OFF)) {
        options[i] = getString(R.string.value_off);
      } else if (values[i].startsWith("-")) {
        int value = Integer.parseInt(values[i].substring(1));
        int stringId = isMetric ? R.string.value_integer_kilometer : R.string.value_integer_mile;
        String format = getString(stringId);
        options[i] = String.format(format, value);
      } else {
        int value = Integer.parseInt(values[i]);
        String format = getString(R.string.value_integer_minute);
        options[i] = String.format(format, value);
      }
    }
    ListPreference list = (ListPreference) findPreference(getString(listId));
    list.setEntries(options);
  }
  /**
   * Sets the display options for 'Distance between points' option.
   */
  private void setRecordingDistanceOptions(boolean isMetric, int listId) {
    String[] values = getResources().getStringArray(R.array.recording_distance_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      int value = Integer.parseInt(values[i]);
      if (!isMetric) {
        value = (int) (value * UnitConversions.M_TO_FT);
      }
      String format;
      if (values[i].equals(RECORDING_DISTANCE_RECOMMENDED)) {
        int stringId = isMetric ? R.string.value_integer_meter_recommended
            : R.string.value_integer_feet_recommended;
        format = getString(stringId);
      } else {
        int stringId = isMetric ? R.string.value_integer_meter : R.string.value_integer_feet;
        format = getString(stringId);
      }
      options[i] = String.format(format, value);
    }
    ListPreference list = (ListPreference) findPreference(getString(listId));
    list.setEntries(options);
  }
  /**
   * Sets the display options for 'Distance between Tracks'.
   */
  private void setTrackDistanceOptions(boolean isMetric, int listId) {
    String[] values = getResources().getStringArray(R.array.recording_track_distance_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      int value = Integer.parseInt(values[i]);
      String format;
      if (isMetric) {
        int stringId = values[i].equals(TRACK_DISTANCE_RECOMMENDED) 
            ? R.string.value_integer_meter_recommended : R.string.value_integer_meter;
        format = getString(stringId);
        options[i] = String.format(format, value);
      } else {
        value = (int) (value * UnitConversions.M_TO_FT);
        if (value < 2000) {
          int stringId = values[i].equals(TRACK_DISTANCE_RECOMMENDED) 
              ? R.string.value_integer_feet_recommended : R.string.value_integer_feet;
          format = getString(stringId);
          options[i] = String.format(format, value);
        } else {
          double mile = value * UnitConversions.FT_TO_MI;
          format = getString(R.string.value_float_mile);
          options[i] = String.format(format, mile);
        }
      }
    }
    ListPreference list = (ListPreference) findPreference(getString(listId));
    list.setEntries(options);
  }
  /**
   * Sets the display options for 'GPS accuracy'.
   */
  private void setGpsAccuracyOptions(boolean isMetric, int listId) {
    String[] values = getResources().getStringArray(R.array.recording_gps_accuracy_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      int value = Integer.parseInt(values[i]);
      String format;
      if (isMetric) {
        if (values[i].equals(GPS_ACCURACY_RECOMMENDED)) {
          format = getString(R.string.value_integer_meter_recommended);
        } else if (values[i].equals(GPS_ACCURACY_EXCELLENT)) {
          format = getString(R.string.value_integer_meter_excellent_gps);
        } else if (values[i].equals(GPS_ACCURACY_POOR)) {
          format = getString(R.string.value_integer_meter_poor_gps);
        } else {
          format = getString(R.string.value_integer_meter);
        }
        options[i] = String.format(format, value);
      } else {
        value = (int) (value * UnitConversions.M_TO_FT);
        if (value < 2000) {
          if (values[i].equals(GPS_ACCURACY_RECOMMENDED)) {
            format = getString(R.string.value_integer_feet_recommended);
          } else if (values[i].equals(GPS_ACCURACY_EXCELLENT)) {
            format = getString(R.string.value_integer_feet_excellent_gps);
          } else {
            format = getString(R.string.value_integer_feet);
          }
          options[i] = String.format(format, value);
        } else {
          double mile = value * UnitConversions.FT_TO_MI;
          if (values[i].equals(GPS_ACCURACY_POOR)) {
            format = getString(R.string.value_float_mile_poor_gps);
          } else {
            format = getString(R.string.value_float_mile);
          }
          options[i] = String.format(format, mile);    
        }
      }
    }
    ListPreference list = (ListPreference) findPreference(getString(listId));
    list.setEntries(options);
  }
  /**
   * Configures preference actions related to bluetooth.
   */
  private void configureBluetoothPreferences() {
    // Populate the list of bluetooth devices
    populateBluetoothDeviceList();
    // Make the pair devices preference go to the system preferences
    findPreference(getString(R.string.bluetooth_pairing_key)).setOnPreferenceClickListener(
        new OnPreferenceClickListener() {
          public boolean onPreferenceClick(Preference preference) {
            Intent settingsIntent = new Intent(Settings.ACTION_BLUETOOTH_SETTINGS);
            startActivity(settingsIntent);
            return false;
          }
        });
  }
  /**
   * Populates the list preference with all available bluetooth devices.
   */
  private void populateBluetoothDeviceList() {
    // Build the list of entries and their values
    List<String> entries = new ArrayList<String>();
    List<String> entryValues = new ArrayList<String>();
    // The actual devices
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (bluetoothAdapter != null) {
      BluetoothDeviceUtils.populateDeviceLists(bluetoothAdapter, entries, entryValues);
    }
    CharSequence[] entriesArray = entries.toArray(new CharSequence[entries.size()]);
    CharSequence[] entryValuesArray = entryValues.toArray(new CharSequence[entryValues.size()]);
    ListPreference devicesPreference =
        (ListPreference) findPreference(getString(R.string.bluetooth_sensor_key));
    devicesPreference.setEntryValues(entryValuesArray);
    devicesPreference.setEntries(entriesArray);
  }
  /** Callback for when user confirms resetting all settings. */
  private void onResetPreferencesConfirmed() {
    // Change preferences in a separate thread.
    new Thread() {
      @Override
      public void run() {
        Log.i(TAG, "Resetting all settings");
        // Actually wipe preferences (and save synchronously).
        preferences.edit().clear().commit();
        // Give UI feedback in the UI thread.
        runOnUiThread(new Runnable() {
          @Override
          public void run() {
            // Give feedback to the user.
            Toast.makeText(
                SettingsActivity.this,
                R.string.settings_reset_done,
                Toast.LENGTH_SHORT).show();
            // Restart the settings activity so all changes are loaded.
            Intent intent = getIntent()
                .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
            startActivity(intent);
          }
        });
      }
    }.start();
  }
  /** 
   * Set the given edit text preference text.
   * If the units are not metric convert the value before displaying.  
   */
  private void viewTrackColorModeSettings(EditTextPreference preference, int id) {
    if (PreferencesUtils.isMetricUnits(this)) {
      return;
    }
    // Convert miles/h to km/h
    SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
    String metricspeed = prefs.getString(getString(id), null);
    int englishspeed;
    try {
      englishspeed = (int) (Double.parseDouble(metricspeed) * UnitConversions.KM_TO_MI);
    } catch (NumberFormatException e) {
      englishspeed = 0;
    }
    preference.getEditText().setText(String.valueOf(englishspeed));
  }
  /** 
   * Saves the given edit text preference value.
   * If the units are not metric convert the value before saving.  
   */
  private void validateTrackColorModeSettings(String newValue, int id) {
    String metricspeed;
    if (PreferencesUtils.isMetricUnits(this)) {
      metricspeed = newValue;
    } else {
      // Convert miles/h to km/h
      try {
        metricspeed = String.valueOf(
            (int) (Double.parseDouble(newValue) * UnitConversions.MI_TO_KM));
      } catch (NumberFormatException e) {
        metricspeed = "0";
      }
    }
    SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
    Editor editor = prefs.edit();
    editor.putString(getString(id), metricspeed);
    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
  }
  /** 
   * Sets the TrackColorMode preference listeners.
   */
  private void setTrackColorModePreferenceListeners() {
    setTrackColorModePreferenceListener(R.string.track_color_mode_fixed_speed_slow_display_key,
        R.string.track_color_mode_fixed_speed_slow_key);
    setTrackColorModePreferenceListener(R.string.track_color_mode_fixed_speed_medium_display_key,
        R.string.track_color_mode_fixed_speed_medium_key);
  }
  /** 
   * Sets a TrackColorMode preference listener.
   */
  private void setTrackColorModePreferenceListener(int displayKey, final int metricKey) {
    EditTextPreference trackColorModePreference =
        (EditTextPreference) findPreference(getString(displayKey));
    trackColorModePreference.setOnPreferenceChangeListener(
        new OnPreferenceChangeListener() {
          @Override
          public boolean onPreferenceChange(Preference preference,
              Object newValue) {
            validateTrackColorModeSettings((String) newValue, metricKey);
            return true;
          }
        });
    trackColorModePreference.setOnPreferenceClickListener(
        new OnPreferenceClickListener() {
          @Override
          public boolean onPreferenceClick(Preference preference) {
            viewTrackColorModeSettings((EditTextPreference) preference, metricKey);
            return true;
          }
        });
  }
 }
@@ -21,19 +21,17 @@ import com.google.android.apps.mytracks.content.TrackDataHub;
 import com.google.android.apps.mytracks.content.Waypoint;
 import com.google.android.apps.mytracks.content.WaypointCreationRequest;
 import com.google.android.apps.mytracks.fragments.ChartFragment;
 import com.google.android.apps.mytracks.fragments.ChartSettingsDialogFragment;
 import com.google.android.apps.mytracks.fragments.DeleteOneTrackDialogFragment;
 import com.google.android.apps.mytracks.fragments.InstallEarthDialogFragment;
 import com.google.android.apps.mytracks.fragments.MapFragment;
 import com.google.android.apps.mytracks.fragments.MarkerAddDialogFragment;
 import com.google.android.apps.mytracks.fragments.StatsFragment;
 import com.google.android.apps.mytracks.fragments.StatsSettingsDialogFragment;
 import com.google.android.apps.mytracks.fragments.StatsSettingsDialogFragment.OnStatsSettingsChangedListener;
 import com.google.android.apps.mytracks.io.file.SaveActivity;
 import com.google.android.apps.mytracks.io.file.TrackWriterFactory.TrackFileFormat;
 import com.google.android.apps.mytracks.io.sendtogoogle.SendRequest;
 import com.google.android.apps.mytracks.io.sendtogoogle.UploadServiceChooserActivity;
 import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
 import com.google.android.apps.mytracks.settings.SettingsActivity;
 import com.google.android.apps.mytracks.util.AnalyticsUtils;
 import com.google.android.apps.mytracks.util.ApiAdapterFactory;
 import com.google.android.apps.mytracks.util.IntentUtils;
@@ -65,8 +63,7 @@ import java.util.List;
 * @author Leif Hendrik Wilden
 * @author Rodrigo Damazio
 */
-public class TrackDetailActivity extends AbstractMyTracksActivity
+public class TrackDetailActivity extends AbstractMyTracksActivity {
    implements OnStatsSettingsChangedListener {
  public static final String EXTRA_TRACK_ID = "track_id";
  public static final String EXTRA_MARKER_ID = "marker_id";
@@ -74,7 +71,6 @@ public class TrackDetailActivity extends AbstractMyTracksActivity
  private static final String TAG = TrackDetailActivity.class.getSimpleName();
  private static final String CURRENT_TAG_KEY = "tab";
  private SharedPreferences sharedPreferences;
  private TrackDataHub trackDataHub;
  private TrackRecordingServiceConnection trackRecordingServiceConnection;
  private TabHost tabHost;
@@ -96,12 +92,13 @@ public class TrackDetailActivity extends AbstractMyTracksActivity
   * Note that sharedPreferenceChangeListener cannot be an anonymous inner
   * class. Anonymous inner class will get garbage collected.
   */
-  private final OnSharedPreferenceChangeListener sharedPreferenceChangeListener =
+  private final OnSharedPreferenceChangeListener
-      new OnSharedPreferenceChangeListener() {
+      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
-        @Override
+          @Override
        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
          // Note that key can be null
-          if (PreferencesUtils.getRecordingTrackIdKey(TrackDetailActivity.this).equals(key)) {
+          if (PreferencesUtils.getKey(TrackDetailActivity.this, R.string.recording_track_id_key)
              .equals(key)) {
            updateMenu();
          }
        }
@@ -131,9 +128,9 @@ public class TrackDetailActivity extends AbstractMyTracksActivity
    super.onCreate(savedInstanceState);
    ApiAdapterFactory.getApiAdapter().hideTitle(this);
    setContentView(R.layout.track_detail);
-    
+
-    sharedPreferences = getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE)
-    sharedPreferences.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+        .registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
    trackDataHub = ((MyTracksApplication) getApplication()).getTrackDataHub();
    trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, null);
@@ -230,31 +227,6 @@ public class TrackDetailActivity extends AbstractMyTracksActivity
    return true;
  }
  @Override
  public boolean onPrepareOptionsMenu(Menu menu) {
    String currentTabTag = tabHost.getCurrentTabTag();
    menu.findItem(R.id.track_detail_chart_settings).setVisible(
        ChartFragment.CHART_FRAGMENT_TAG.equals(currentTabTag));
    menu.findItem(R.id.track_detail_stats_settings).setVisible(
        StatsFragment.STATS_FRAGMENT_TAG.equals(currentTabTag));   
    MenuItem satelliteMode = menu.findItem(R.id.track_detail_satellite_mode)
        .setVisible(MapFragment.MAP_FRAGMENT_TAG.equals(currentTabTag));
    if (satelliteMode.isVisible()) {
      MapFragment mapFragment = (MapFragment) getSupportFragmentManager()
          .findFragmentByTag(MapFragment.MAP_FRAGMENT_TAG);
      /*
       * The current tag is mapFragment, thus safe to call its methods like
       * isSatelliteView.
       */
      boolean isSatelliteMode = mapFragment != null ? mapFragment.isSatelliteView() : false;
      menu.findItem(R.id.track_detail_satellite_mode).setTitle(
          isSatelliteMode ? R.string.menu_map_mode : R.string.menu_satellite_mode);
    }
    return super.onPrepareOptionsMenu(menu);
  }
  @Override
  protected void onHomeSelected() {
    Intent intent = IntentUtils.newIntent(this, TrackListActivity.class);
@@ -263,7 +235,6 @@ public class TrackDetailActivity extends AbstractMyTracksActivity
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    MapFragment mapFragment;
    Intent intent;
    switch (item.getItemId()) {
      case R.id.track_detail_stop_recording:
@@ -340,25 +311,10 @@ public class TrackDetailActivity extends AbstractMyTracksActivity
        DeleteOneTrackDialogFragment.newInstance(trackId).show(
            getSupportFragmentManager(), DeleteOneTrackDialogFragment.DELETE_ONE_TRACK_DIALOG_TAG);
        return true;
      case R.id.track_detail_satellite_mode:
        mapFragment = (MapFragment) getSupportFragmentManager()
            .findFragmentByTag(MapFragment.MAP_FRAGMENT_TAG);
        if (mapFragment != null) {
          mapFragment.setSatelliteView(!mapFragment.isSatelliteView());
        }
        return true;
      case R.id.track_detail_sensor_state:
        intent = IntentUtils.newIntent(this, SensorStateActivity.class);
        startActivity(intent);
        return true;
      case R.id.track_detail_chart_settings:
        new ChartSettingsDialogFragment().show(
            getSupportFragmentManager(), ChartSettingsDialogFragment.CHART_SETTINGS_DIALOG_TAG);
        return true;
      case R.id.track_detail_stats_settings:
        new StatsSettingsDialogFragment().show(
            getSupportFragmentManager(), StatsSettingsDialogFragment.STATS_SETTINGS_DIALOG_TAG);
        return true;
      case R.id.track_detail_settings:
        intent = IntentUtils.newIntent(this, SettingsActivity.class);
        startActivity(intent);
@@ -391,13 +347,6 @@ public class TrackDetailActivity extends AbstractMyTracksActivity
    return mapViewContainer;
  }
  @Override
  public void onStatsSettingsChanged() {
    StatsFragment statsFragment = (StatsFragment) getSupportFragmentManager()
        .findFragmentByTag(StatsFragment.STATS_FRAGMENT_TAG);
    statsFragment.updateUi();    
  }
  /**
   * Handles the data in the intent.
   */
@@ -438,7 +387,7 @@ public class TrackDetailActivity extends AbstractMyTracksActivity
   * Updates the menu.
   */
  private void updateMenu() {
-    updateMenuItems(trackId == PreferencesUtils.getRecordingTrackId(this));
+    updateMenuItems(trackId == PreferencesUtils.getLong(this, R.string.recording_track_id_key));
  }
  /**
@@ -25,6 +25,7 @@ import com.google.android.apps.mytracks.fragments.WelcomeDialogFragment;
 import com.google.android.apps.mytracks.io.file.TrackWriterFactory.TrackFileFormat;
 import com.google.android.apps.mytracks.services.ITrackRecordingService;
 import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
 import com.google.android.apps.mytracks.settings.SettingsActivity;
 import com.google.android.apps.mytracks.util.ApiAdapterFactory;
 import com.google.android.apps.mytracks.util.EulaUtils;
 import com.google.android.apps.mytracks.util.IntentUtils;
@@ -119,12 +120,16 @@ public class TrackListActivity extends FragmentActivity {
        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
          boolean updateList = false;
          // Note that key can be null
-          if (PreferencesUtils.getMetricUnitsKey(TrackListActivity.this).equals(key)) {
+          if (PreferencesUtils.getKey(TrackListActivity.this, R.string.metric_units_key)
-            metricUnits = PreferencesUtils.isMetricUnits(TrackListActivity.this);
+              .equals(key)) {
            metricUnits = PreferencesUtils.getBoolean(TrackListActivity.this,
                R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
            updateList = true;
          }
-          if (PreferencesUtils.getRecordingTrackIdKey(TrackListActivity.this).equals(key)) {
+          if (PreferencesUtils.getKey(TrackListActivity.this, R.string.recording_track_id_key)
-            recordingTrackId = PreferencesUtils.getRecordingTrackId(TrackListActivity.this);
+              .equals(key)) {
            recordingTrackId = PreferencesUtils.getLong(
                TrackListActivity.this, R.string.recording_track_id_key);
            if (TrackRecordingServiceConnectionUtils.isRecording(
                TrackListActivity.this, trackRecordingServiceConnection)) {
              trackRecordingServiceConnection.startAndBind();
@@ -173,11 +178,11 @@ public class TrackListActivity extends FragmentActivity {
    trackRecordingServiceConnection = new TrackRecordingServiceConnection(
        this, bindChangedCallback);
-    SharedPreferences sharedPreferences = getSharedPreferences(
+    getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE)
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+        .registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
-    sharedPreferences.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+    metricUnits = PreferencesUtils.getBoolean(
-    metricUnits = PreferencesUtils.isMetricUnits(this);
+        this, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
-    recordingTrackId = PreferencesUtils.getRecordingTrackId(this);
+    recordingTrackId = PreferencesUtils.getLong(this, R.string.recording_track_id_key);
    ImageButton recordImageButton = (ImageButton) findViewById(R.id.track_list_record_button);
    recordImageButton.setOnClickListener(new View.OnClickListener() {
@@ -274,14 +279,16 @@ public class TrackListActivity extends FragmentActivity {
        EulaDialogFragment.newInstance(false)
            .show(getSupportFragmentManager(), EulaDialogFragment.EULA_DIALOG_TAG);
      }
-    } else if (PreferencesUtils.isShowWelcomeDialog(this)) {
+    } else if (PreferencesUtils.getBoolean(
        this, R.string.show_welcome_dialog_key, PreferencesUtils.SHOW_WELCOME_DIALOG_DEFAULT)) {
      Fragment fragment = getSupportFragmentManager()
          .findFragmentByTag(WelcomeDialogFragment.WELCOME_DIALOG_TAG);
      if (fragment == null) {
        new WelcomeDialogFragment().show(
            getSupportFragmentManager(), WelcomeDialogFragment.WELCOME_DIALOG_TAG);
      }
-    } else if (PreferencesUtils.isShowCheckUnitsDialog(this)) {
+    } else if (PreferencesUtils.getBoolean(this, R.string.show_check_units_dialog_key,
        PreferencesUtils.SHOW_CHECK_UNITS_DIALOG_DEFAULT)) {
      Fragment fragment = getSupportFragmentManager()
          .findFragmentByTag(CheckUnitsDialogFragment.CHECK_UNITS_DIALOG_TAG);
      if (fragment == null) {
@@ -16,13 +16,13 @@
 package com.google.android.apps.mytracks.content;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.ContentProvider;
 import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.database.SQLException;
@@ -190,13 +190,11 @@ public class MyTracksProvider extends ContentProvider {
    if (Binder.getCallingPid() == Process.myPid()) {
      return true;
    } else {
-      Context context = getContext();
+      return PreferencesUtils.getBoolean(
-      SharedPreferences sharedPreferences = context.getSharedPreferences(
+          getContext(), R.string.allow_access_key, PreferencesUtils.ALLOW_ACCESS_DEFAULT);
          Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
      return sharedPreferences.getBoolean(context.getString(R.string.allow_access_key), false);
    }
  }
-  
+
  @Override
  public boolean onCreate() {
    if (!canAccess()) {
@@ -15,7 +15,6 @@
 */
 package com.google.android.apps.mytracks.content;
 import static com.google.android.apps.mytracks.Constants.DEFAULT_MIN_REQUIRED_ACCURACY;
 import static com.google.android.apps.mytracks.Constants.MAX_DISPLAYED_WAYPOINTS_POINTS;
 import static com.google.android.apps.mytracks.Constants.MAX_LOCATION_AGE_MS;
 import static com.google.android.apps.mytracks.Constants.MAX_NETWORK_AGE_MS;
@@ -58,9 +57,6 @@ import java.util.Set;
 */
 public class TrackDataHub {
  // Preference keys
  private final String MIN_REQUIRED_ACCURACY_KEY;
  // Overridable constants
  private final int targetNumPoints;
@@ -219,8 +215,6 @@ public class TrackDataHub {
    this.targetNumPoints = targetNumPoints;
    this.locationFactory = new DoubleBufferedLocationFactory();
    MIN_REQUIRED_ACCURACY_KEY = context.getString(R.string.min_required_accuracy_key);
    resetState();
  }
@@ -294,11 +288,13 @@ public class TrackDataHub {
  }
  private void loadSharedPreferences() {
-    selectedTrackId = PreferencesUtils.getSelectedTrackId(context);
+    selectedTrackId = PreferencesUtils.getLong(context, R.string.selected_track_id_key);
-    metricUnits = PreferencesUtils.isMetricUnits(context);
+    metricUnits = PreferencesUtils.getBoolean(
-    reportSpeed = PreferencesUtils.isReportSpeed(context);
+        context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
-    minRequiredAccuracy = preferences.getInt(MIN_REQUIRED_ACCURACY_KEY,
+    reportSpeed = PreferencesUtils.getBoolean(
-        DEFAULT_MIN_REQUIRED_ACCURACY);
+        context, R.string.report_speed_key, PreferencesUtils.REPORT_SPEED_DEFAULT);
    minRequiredAccuracy = PreferencesUtils.getInt(context, R.string.min_required_accuracy_key,
        PreferencesUtils.MIN_REQUIRED_ACCURACY_DEFAULT);
  }
  /** Updates known magnetic declination if needed. */
@@ -372,8 +368,9 @@ public class TrackDataHub {
    if (!isStarted()) {
      loadSharedPreferences();
    }
-    long recordingTrackId = PreferencesUtils.getRecordingTrackId(context);
+    long recordingTrackId = PreferencesUtils.getLong(context, R.string.recording_track_id_key);
-    return recordingTrackId != -1L && recordingTrackId == selectedTrackId;
+    return recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT
        && recordingTrackId == selectedTrackId;
  }
  /**
@@ -391,7 +388,7 @@ public class TrackDataHub {
    // Save the selection to memory and flush.
    selectedTrackId = trackId;
-    PreferencesUtils.setSelectedTrackId(context, selectedTrackId);
+    PreferencesUtils.setLong(context, R.string.selected_track_id_key, selectedTrackId);
    // Force it to reload data from the beginning.
    Log.d(TAG, "Loading track");
@@ -605,21 +602,23 @@ public class TrackDataHub {
  /**
   * Called when a preference changes.
-   *
+   * 
   * @param key the key to the preference that changed
   */
  private void notifyPreferenceChanged(String key) {
-    if (MIN_REQUIRED_ACCURACY_KEY.equals(key)) {
+    if (PreferencesUtils.getKey(context, R.string.min_required_accuracy_key).equals(key)) {
-      minRequiredAccuracy = preferences.getInt(MIN_REQUIRED_ACCURACY_KEY,
+      minRequiredAccuracy = PreferencesUtils.getInt(context, R.string.min_required_accuracy_key,
-          DEFAULT_MIN_REQUIRED_ACCURACY);
+          PreferencesUtils.MIN_REQUIRED_ACCURACY_DEFAULT);
-    } else if (PreferencesUtils.getMetricUnitsKey(context).equals(key)) {
+    } else if (PreferencesUtils.getKey(context, R.string.metric_units_key).equals(key)) {
-      metricUnits = PreferencesUtils.isMetricUnits(context);
+      metricUnits = PreferencesUtils.getBoolean(
          context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
      notifyUnitsChanged();
-    } else if (PreferencesUtils.getReportSpeedKey(context).equals(key)) {
+    } else if (PreferencesUtils.getKey(context, R.string.report_speed_key).equals(key)) {
-      reportSpeed = PreferencesUtils.isReportSpeed(context);
+      reportSpeed = PreferencesUtils.getBoolean(
          context, R.string.report_speed_key, PreferencesUtils.REPORT_SPEED_DEFAULT);
      notifySpeedReportingChanged();
-    } else if (PreferencesUtils.getSelectedTrackIdKey(context).equals(key)) {
+    } else if (PreferencesUtils.getKey(context, R.string.selected_track_id_key).equals(key)) {
-      loadTrack(PreferencesUtils.getSelectedTrackId(context));
+      loadTrack(PreferencesUtils.getLong(context, R.string.selected_track_id_key));
    }
  }
@@ -17,7 +17,6 @@
 package com.google.android.apps.mytracks.fragments;
 import com.google.android.apps.mytracks.ChartView;
 import com.google.android.apps.mytracks.ChartView.Mode;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.MyTracksApplication;
 import com.google.android.apps.mytracks.content.MyTracksLocation;
@@ -31,6 +30,7 @@ import com.google.android.apps.mytracks.content.Waypoint;
 import com.google.android.apps.mytracks.stats.DoubleBuffer;
 import com.google.android.apps.mytracks.stats.TripStatisticsBuilder;
 import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
 import com.google.android.maps.mytracks.R;
 import com.google.common.annotations.VisibleForTesting;
@@ -76,6 +76,9 @@ public class ChartFragment extends Fragment implements TrackDataListener {
  private boolean metricUnits = true;
  private boolean reportSpeed = true;
  private boolean chartByDistance = true;
  private boolean[] chartShow = new boolean[] {true, true, true, true, true};
  // UI elements
  private ChartView chartView;
  private ZoomControls zoomControls;
@@ -143,6 +146,7 @@ public class ChartFragment extends Fragment implements TrackDataListener {
  public void onResume() {
    super.onResume();
    resumeTrackDataHub();
    checkChartSettings();
    getActivity().runOnUiThread(updateChart);
  }
@@ -158,58 +162,6 @@ public class ChartFragment extends Fragment implements TrackDataListener {
    ViewGroup layout = (ViewGroup) getActivity().findViewById(R.id.chart_view_layout);
    layout.removeView(chartView);
  }
  /**
   * Sets the chart view mode.
   * 
   * @param mode the chart view mode
   */
  public void setMode(Mode mode) {
    if (chartView.getMode() != mode) {
      chartView.setMode(mode);
      reloadTrackDataHub();
    }
  }
  /**
   * Gets the chart view mode.
   */
  public Mode getMode() {
    return chartView.getMode();
  }
  /**
   * Enables or disables the chart value series.
   * 
   * @param index the index of the series
   * @param enabled true to enable, false to disable
   */
  public void setChartValueSeriesEnabled(int index, boolean enabled) {
    chartView.setChartValueSeriesEnabled(index, enabled);
  }
  /**
   * Returns true if the chart value series is enabled.
   * 
   * @param index the index of the series
   */
  public boolean isChartValueSeriesEnabled(int index) {
    return chartView.isChartValueSeriesEnabled(index);
  }
  /**
   * Returns true to report speed instead of pace.
   */
  public boolean isReportSpeed() {
    return reportSpeed;
  }
  /**
   * Updates the chart.
   */
  public void update() {
    chartView.postInvalidate();
  }
  @Override
  public void onProviderStateChange(ProviderState state) {
@@ -338,6 +290,60 @@ public class ChartFragment extends Fragment implements TrackDataListener {
    return true;
  }
  /**
   * Checks the chart settings.
   */
  private void checkChartSettings() {
    boolean needUpdate = false;
    if (chartByDistance != PreferencesUtils.getBoolean(getActivity(),
        R.string.chart_by_distance_key, PreferencesUtils.CHART_BY_DISTANCE_DEFAULT)) {
      chartByDistance = !chartByDistance;
      chartView.setChartByDistance(chartByDistance);
      reloadTrackDataHub();
      needUpdate = true;
    }
    if (setSeriesEnabled(ChartView.ELEVATION_SERIES, PreferencesUtils.getBoolean(getActivity(),
        R.string.chart_show_elevation_key, PreferencesUtils.CHART_SHOW_ELEVATION_DEFAULT))) {
      needUpdate = true;
    }
    if (setSeriesEnabled(ChartView.SPEED_SERIES, PreferencesUtils.getBoolean(
        getActivity(), R.string.chart_show_speed_key, PreferencesUtils.CHART_SHOW_SPEED_DEFAULT))) {
      needUpdate = true;
    }
    if (setSeriesEnabled(ChartView.POWER_SERIES, PreferencesUtils.getBoolean(
        getActivity(), R.string.chart_show_power_key, PreferencesUtils.CHART_SHOW_POWER_DEFAULT))) {
      needUpdate = true;
    }
    if (setSeriesEnabled(ChartView.CADENCE_SERIES, PreferencesUtils.getBoolean(getActivity(),
        R.string.chart_show_cadence_key, PreferencesUtils.CHART_SHOW_CADENCE_DEFAULT))) {
      needUpdate = true;
    }
    if (setSeriesEnabled(ChartView.HEART_RATE_SERIES, PreferencesUtils.getBoolean(getActivity(),
        R.string.chart_show_heart_rate_key, PreferencesUtils.CHART_SHOW_HEART_RATE_DEFAULT))) {
      needUpdate = true;
    }
    if (needUpdate) {
      chartView.postInvalidate();
    }
  }
  /**
   * Sets the series enabled value.
   * 
   * @param index the series index
   * @param value the value
   * @return true if changed
   */
  private boolean setSeriesEnabled(int index, boolean value) {
    if (chartShow[index] != value) {
      chartShow[index] = value;
      chartView.setChartValueSeriesEnabled(index, value);
      return true;
    } else {
      return false;
    }
  }
  /**
   * Resumes the trackDataHub. Needs to be synchronized because trackDataHub can be
   * accessed by multiple threads.
@@ -352,16 +358,16 @@ public class ChartFragment extends Fragment implements TrackDataListener {
        ListenerDataType.SAMPLED_OUT_POINT_UPDATES,
        ListenerDataType.DISPLAY_PREFERENCES));
  }
-  
+
  /**
-   * Pauses the trackDataHub. Needs to be synchronized because trackDataHub can be
+   * Pauses the trackDataHub. Needs to be synchronized because trackDataHub can
-   * accessed by multiple threads. 
+   * be accessed by multiple threads.
   */
  private synchronized void pauseTrackDataHub() {
    trackDataHub.unregisterTrackDataListener(this);
    trackDataHub = null;
  }
-  
+
  /**
   * Returns true if recording. Needs to be synchronized because trackDataHub
   * can be accessed by multiple threads.
@@ -369,7 +375,7 @@ public class ChartFragment extends Fragment implements TrackDataListener {
  private synchronized boolean isRecording() {
    return trackDataHub != null && trackDataHub.isRecordingSelected();
  }
-  
+
  /**
   * Reloads the trackDataHub. Needs to be synchronized because trackDataHub can be
   * accessed by multiple threads. 
@@ -420,7 +426,7 @@ public class ChartFragment extends Fragment implements TrackDataListener {
    double heartRate = Double.NaN;  
    // TODO: Use TripStatisticsBuilder
-    if (chartView.getMode() == Mode.BY_DISTANCE) {
+    if (chartByDistance) {
      if (lastLocation != null) {
        double distance = lastLocation.distanceTo(location) * UnitConversions.M_TO_KM;
        if (metricUnits) {
@@ -512,4 +518,8 @@ public class ChartFragment extends Fragment implements TrackDataListener {
  void setReportSpeed(boolean value) {
    reportSpeed = value;
  }
  @VisibleForTesting
  void setChartByDistance(boolean value) {
    chartByDistance = value;
  }
 }
@@ -1,84 +0,0 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.fragments;
 import com.google.android.apps.mytracks.ChartView;
 import com.google.android.maps.mytracks.R;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.support.v4.app.DialogFragment;
 import android.view.View;
 import android.widget.CheckBox;
 import android.widget.RadioGroup;
 /**
 * A DialogFragment to show chart settings.
 *
 * @author Jimmy Shih
 */
 public class ChartSettingsDialogFragment extends DialogFragment {
  public static final String CHART_SETTINGS_DIALOG_TAG = "chartSettingsDialog";
  @Override
  public Dialog onCreateDialog(Bundle savedInstanceState) {
    final ChartFragment chartFragment = (ChartFragment) getActivity()
        .getSupportFragmentManager().findFragmentByTag(ChartFragment.CHART_FRAGMENT_TAG);
    View view = getActivity().getLayoutInflater().inflate(R.layout.chart_settings, null);
    final RadioGroup radioGroup = (RadioGroup) view.findViewById(R.id.chart_settings_x);
    radioGroup.check(chartFragment.getMode() == ChartView.Mode.BY_DISTANCE
        ? R.id.chart_settings_by_distance : R.id.chart_settings_by_time);
    final CheckBox[] checkBoxes = new CheckBox[ChartView.NUM_SERIES];
    checkBoxes[ChartView.ELEVATION_SERIES] = (CheckBox) view.findViewById(
        R.id.chart_settings_elevation);
    checkBoxes[ChartView.SPEED_SERIES] = (CheckBox) view.findViewById(R.id.chart_settings_speed);
    checkBoxes[ChartView.POWER_SERIES] = (CheckBox) view.findViewById(R.id.chart_settings_power);
    checkBoxes[ChartView.CADENCE_SERIES] = (CheckBox) view.findViewById(
        R.id.chart_settings_cadence);
    checkBoxes[ChartView.HEART_RATE_SERIES] = (CheckBox) view.findViewById(
        R.id.chart_settings_heart_rate);
    // set checkboxes values
    for (int i = 0; i < ChartView.NUM_SERIES; i++) {
      checkBoxes[i].setChecked(chartFragment.isChartValueSeriesEnabled(i));
    }
    checkBoxes[ChartView.SPEED_SERIES].setText(chartFragment.isReportSpeed()
        ? R.string.stats_speed : R.string.stats_pace);
    return new AlertDialog.Builder(getActivity())
        .setNegativeButton(R.string.generic_cancel, null)
        .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            chartFragment.setMode(
                radioGroup.getCheckedRadioButtonId() == R.id.chart_settings_by_distance 
                ? ChartView.Mode.BY_DISTANCE : ChartView.Mode.BY_TIME);
            for (int i = 0; i < ChartView.NUM_SERIES; i++) {
              chartFragment.setChartValueSeriesEnabled(i, checkBoxes[i].isChecked());
            }
            chartFragment.update();
          }
        })
        .setTitle(R.string.menu_chart_settings)
        .setView(view)
        .create();
  }
 }
@@ -46,9 +46,9 @@ public class CheckUnitsDialogFragment extends DialogFragment {
  public Dialog onCreateDialog(Bundle savedInstanceState) {    
    Locale defaultLocale = Locale.getDefault();        
    boolean defaultMetric = !defaultLocale.equals(Locale.US) && !defaultLocale.equals(Locale.UK);
-    PreferencesUtils.setMetricUnits(getActivity(), defaultMetric);
+    PreferencesUtils.setBoolean(getActivity(), R.string.metric_units_key, defaultMetric);
-    final String metric = getString(R.string.preferred_units_metric);
+    final String metric = getString(R.string.settings_stats_units_metric);
-    final String imperial = getString(R.string.preferred_units_imperial);
+    final String imperial = getString(R.string.settings_stats_units_imperial);
    final CharSequence[] items = defaultMetric ? new CharSequence[] { metric, imperial }
        : new CharSequence[] { imperial, metric };
    return new AlertDialog.Builder(getActivity())
@@ -56,19 +56,20 @@ public class CheckUnitsDialogFragment extends DialogFragment {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            int position = ((AlertDialog) dialog).getListView().getCheckedItemPosition();
-            PreferencesUtils.setMetricUnits(getActivity(), items[position].equals(metric));            
+            PreferencesUtils.setBoolean(
                getActivity(), R.string.metric_units_key, items[position].equals(metric));
            onDone();
          }
        })
        .setSingleChoiceItems(items, 0, null)
-        .setTitle(R.string.preferred_units_title).create();
+        .setTitle(R.string.settings_stats_units_title).create();
  }
  /**
   * Tasks to perform when done.
   */
  private void onDone() {
-    PreferencesUtils.setShowCheckUnitsDialog(getActivity());
+    PreferencesUtils.setBoolean(getActivity(), R.string.show_check_units_dialog_key, false);
    TrackListActivity trackListActivity = (TrackListActivity) getActivity();
    trackListActivity.showStartupDialogs();   
  }
@@ -40,6 +40,9 @@ import android.os.Bundle;
 import android.provider.Settings;
 import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
@@ -90,6 +93,12 @@ public class MapFragment extends Fragment
  private ImageButton myLocationImageButton;
  private TextView messageTextView;
  @Override
  public void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    setHasOptionsMenu(true);
  }
  @Override
  public View onCreateView(
      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
@@ -156,6 +165,30 @@ public class MapFragment extends Fragment
    }
  }
  @Override
  public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflator) {
    menuInflator.inflate(R.menu.map, menu);
  }
  @Override
  public void onPrepareOptionsMenu(Menu menu) {
    int titleId = R.string.menu_satellite_mode;
    if (mapView != null) {
      titleId = mapView.isSatellite() ? R.string.menu_map_mode : R.string.menu_satellite_mode;
    }
    menu.findItem(R.id.map_satellite_mode).setTitle(titleId);
    super.onPrepareOptionsMenu(menu);
  }
  @Override
  public boolean onOptionsItemSelected(MenuItem menuItem) {
    if (mapView != null && menuItem.getItemId() == R.id.map_satellite_mode) {
      mapView.setSatellite(!mapView.isSatellite());
      return true;
    }
    return super.onOptionsItemSelected(menuItem);
  }
  /**
   * Shows my location.
   */
@@ -209,22 +242,6 @@ public class MapFragment extends Fragment
    }
  }
  /**
   * Returns true if in satellite mode.
   */
  public boolean isSatelliteView() {
    return mapView.isSatellite();
  }
  /**
   * Sets the satellite mode
   * 
   * @param enabled true for satellite mode, false for map mode
   */
  public void setSatelliteView(boolean enabled) {
    mapView.setSatellite(enabled);
  }
  @Override
  public boolean onTouch(View view, MotionEvent event) {
    if (keepMyLocationVisible && event.getAction() == MotionEvent.ACTION_MOVE) {
@@ -97,8 +97,8 @@ public class MarkerAddDialogFragment extends DialogFragment {
        dismiss();
      }
    });
-    boolean pickStatisticsMarker = PreferencesUtils.getBoolean(
+    boolean pickStatisticsMarker = PreferencesUtils.getBoolean(getActivity(),
-        getActivity(), R.string.pick_statistics_marker_key, true);
+        R.string.pick_statistics_marker_key, PreferencesUtils.PICK_STATISTICS_MARKER_DEFAULT);
    radioGroup.check(pickStatisticsMarker ? R.id.marker_add_statistics : R.id.marker_add_waypoint);
    return new AlertDialog.Builder(getActivity())
        .setNegativeButton(R.string.generic_cancel, null)
@@ -74,7 +74,8 @@ public class StatsFragment extends Fragment implements TrackDataListener {
    @Override
    public void run() {
      Log.d(TAG, "UI update thread started");
-      while (PreferencesUtils.getRecordingTrackId(getActivity()) != -1L) {
+      while (PreferencesUtils.getLong(getActivity(), R.string.recording_track_id_key)
          != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT) {
        getActivity().runOnUiThread(updateTotalTime);
        try {
          Thread.sleep(1000L);
@@ -270,8 +271,11 @@ public class StatsFragment extends Fragment implements TrackDataListener {
  private synchronized boolean isRecording() {
    return trackDataHub != null && trackDataHub.isRecordingSelected();
  }
-  
+
-  public void updateUi() {
+  /**
   * Updates the UI.
   */
  private void updateUi() {
    StatsUtils.setTripStatisticsValues(getActivity(), lastTripStatistics);
    StatsUtils.setLocationValues(getActivity(), lastLocation, true);
  }
@@ -1,96 +0,0 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.fragments;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.support.v4.app.DialogFragment;
 import android.view.View;
 import android.widget.CheckBox;
 import android.widget.RadioGroup;
 /**
 * A DialogFragment to show stats settings.
 *
 * @author Jimmy Shih
 */
 public class StatsSettingsDialogFragment extends DialogFragment {
  public static final String STATS_SETTINGS_DIALOG_TAG = "statsSettingsDialog";
  public interface OnStatsSettingsChangedListener {
    public void onStatsSettingsChanged();
  }
  private OnStatsSettingsChangedListener listener;
  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {
      listener = (OnStatsSettingsChangedListener) activity;
    } catch (ClassCastException e) {
      throw new ClassCastException(activity.toString()
          + " must implement OnArticleSelectedListener");
    }
  }
  @Override
  public Dialog onCreateDialog(Bundle savedInstanceState) {
    View view = getActivity().getLayoutInflater().inflate(R.layout.stats_settings, null);
    final RadioGroup radioGroup = (RadioGroup) view.findViewById(R.id.stats_settings_time);
    boolean totalTime = PreferencesUtils.getBoolean(
        getActivity(), R.string.stats_show_total_time_key, true);
    radioGroup.check(totalTime ? R.id.stats_settings_total_time : R.id.stats_settings_moving_time);
    final CheckBox elevation = (CheckBox) view.findViewById(R.id.stats_settings_elevation);
    final CheckBox grade = (CheckBox) view.findViewById(R.id.stats_settings_grade);
    final CheckBox coordinate = (CheckBox) view.findViewById(R.id.stats_settings_coordinate);
    elevation.setChecked(
        PreferencesUtils.getBoolean(getActivity(), R.string.stats_show_elevation_key, false));
    grade.setChecked(
        PreferencesUtils.getBoolean(getActivity(), R.string.stats_show_grade_key, false));
    coordinate.setChecked(
        PreferencesUtils.getBoolean(getActivity(), R.string.stats_show_coordinate_key, false));
    return new AlertDialog.Builder(getActivity()).setNegativeButton(R.string.generic_cancel, null)
        .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            PreferencesUtils.setBoolean(getActivity(), R.string.stats_show_total_time_key,
                radioGroup.getCheckedRadioButtonId() == R.id.stats_settings_total_time);
            PreferencesUtils.setBoolean(
                getActivity(), R.string.stats_show_elevation_key, elevation.isChecked());
            PreferencesUtils.setBoolean(
                getActivity(), R.string.stats_show_grade_key, grade.isChecked());
            PreferencesUtils.setBoolean(
                getActivity(), R.string.stats_show_coordinate_key, coordinate.isChecked());
            listener.onStatsSettingsChanged();
          }
        })
        .setTitle(R.string.menu_stats_settings)
        .setView(view)
        .create();
  }
 }
@@ -55,7 +55,7 @@ public class WelcomeDialogFragment extends DialogFragment {
  }
  private void onDone() {
-    PreferencesUtils.setShowWelcome(getActivity());
+    PreferencesUtils.setBoolean(getActivity(), R.string.show_welcome_dialog_key, false);
    TrackListActivity trackListActivity = (TrackListActivity) getActivity();
    trackListActivity.showStartupDialogs();
  }
@@ -270,7 +270,8 @@ public class SendDocsUtils {
      Track track, String spreadsheetId, String worksheetId, String authToken, Context context)
      throws IOException {
    String worksheetUri = String.format(GET_WORKSHEET_URI, spreadsheetId, worksheetId);
-    boolean metricUnits = PreferencesUtils.isMetricUnits(context);
+    boolean metricUnits = PreferencesUtils.getBoolean(
        context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
    addRow(worksheetUri, getRowContent(track, metricUnits, context), authToken);
  }
@@ -205,7 +205,8 @@ public class SendFusionTablesAsyncTask extends AbstractSendAsyncTask {
  private boolean uploadAllTrackPoints(Track track) {
    Cursor locationsCursor = null;
    try {
-      boolean metricUnits = PreferencesUtils.isMetricUnits(context);
+      boolean metricUnits = PreferencesUtils.getBoolean(
          context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
      locationsCursor = myTracksProviderUtils.getLocationsCursor(trackId, 0, -1, false);
      if (locationsCursor == null) {
@@ -45,7 +45,6 @@ import android.accounts.AccountManager;
 import android.accounts.AuthenticatorException;
 import android.accounts.OperationCanceledException;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.location.Location;
 import android.util.Log;
@@ -225,15 +224,13 @@ public class SendMapsAsyncTask extends AbstractSendAsyncTask {
      mapId = chooseMapId;
      return true;
    } else {
-      SharedPreferences sharedPreferences = context.getSharedPreferences(
+      boolean defaultMapPublic = PreferencesUtils.getBoolean(
-          Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+          context, R.string.default_map_public_key, PreferencesUtils.DEFAULT_MAP_PUBLIC_DEFAULT);
      boolean mapPublic = sharedPreferences.getBoolean(
          context.getString(R.string.default_map_public_key), true);
      try {
        String description = track.getCategory() + "\n" + track.getDescription() + "\n"
            + context.getString(R.string.send_google_by_my_tracks, "", "");
        mapId = SendMapsUtils.createNewMap(
-            track.getName(), description, mapPublic, mapsClient, authToken);
+            track.getName(), description, defaultMapPublic, mapsClient, authToken);
      } catch (ParseException e) {
        Log.d(TAG, "Unable to create a new map", e);
        return false;
@@ -258,7 +255,8 @@ public class SendMapsAsyncTask extends AbstractSendAsyncTask {
  boolean uploadAllTrackPoints(Track track) {
    Cursor locationsCursor = null;
    try {
-      boolean metricUnits = PreferencesUtils.isMetricUnits(context);
+      boolean metricUnits = PreferencesUtils.getBoolean(
          context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
      locationsCursor = myTracksProviderUtils.getLocationsCursor(trackId, 0, -1, false);
      if (locationsCursor == null) {
@@ -24,8 +24,8 @@ import com.google.android.apps.mytracks.io.gdata.docs.SpreadsheetsClient;
 import com.google.android.apps.mytracks.io.gdata.maps.MapsConstants;
 import com.google.android.apps.mytracks.io.maps.ChooseMapActivity;
 import com.google.android.apps.mytracks.io.maps.SendMapsActivity;
 import com.google.android.apps.mytracks.util.ApiAdapterFactory;
 import com.google.android.apps.mytracks.util.IntentUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.accounts.Account;
@@ -37,11 +37,8 @@ import android.accounts.OperationCanceledException;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.os.Bundle;
 import android.util.Log;
@@ -93,8 +90,8 @@ public class AccountChooserActivity extends Activity {
      return;
    }
-    SharedPreferences prefs = getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    String preferredAccount = PreferencesUtils.getString(this, R.string.preferred_account_key,
-    String preferredAccount = prefs.getString(getString(R.string.preferred_account_key), "");
+        PreferencesUtils.PREFERRED_ACCOUNT_DEFAULT);
    selectedAccountIndex = 0;
    for (int i = 0; i < accounts.length; i++) {
@@ -166,12 +163,8 @@ public class AccountChooserActivity extends Activity {
        .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int which) {
            Account account = accounts[selectedAccountIndex];
-            SharedPreferences sharedPreferences = getSharedPreferences(
+            PreferencesUtils.setString(
-                Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+                AccountChooserActivity.this, R.string.preferred_account_key, account.name);
            Editor editor = sharedPreferences.edit();
            editor.putString(getString(R.string.preferred_account_key), account.name);
            ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
            sendRequest.setAccount(account);
            getPermission(MapsConstants.SERVICE_NAME, sendRequest.isSendMaps(), mapsCallback);
          }
@@ -15,21 +15,19 @@
 */
 package com.google.android.apps.mytracks.io.sendtogoogle;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
 import com.google.android.apps.mytracks.content.Track;
 import com.google.android.apps.mytracks.io.fusiontables.SendFusionTablesUtils;
 import com.google.android.apps.mytracks.io.maps.SendMapsUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import com.google.common.annotations.VisibleForTesting;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.ImageView;
@@ -49,7 +47,7 @@ public class UploadResultActivity extends Activity {
  private SendRequest sendRequest;
  private Track track;
  private String shareUrl;
-  private Dialog dialog;
+  private Dialog resultDialog;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
@@ -169,19 +167,18 @@ public class UploadResultActivity extends Activity {
            }
          });
    }
-    dialog = builder.create();
+    resultDialog = builder.create();
-    return dialog;
+    return resultDialog;
  }
  /**
   * Starts an activity to share the url.
-   *
+   * 
   * @param url the url
   */
  private void startShareUrlActivity(String url) {
-    SharedPreferences prefs = getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    boolean shareUrlOnly = PreferencesUtils.getBoolean(
-    boolean shareUrlOnly = prefs.getBoolean(getString(R.string.share_url_only_key), false);
+        this, R.string.share_url_only_key, PreferencesUtils.SHARE_URL_ONLY_DEFAULT);
    Intent intent = new Intent(Intent.ACTION_SEND)
        .setType(TEXT_PLAIN_TYPE)
        .putExtra(Intent.EXTRA_SUBJECT, getString(R.string.share_track_subject))
@@ -192,6 +189,6 @@ public class UploadResultActivity extends Activity {
  @VisibleForTesting
  Dialog getDialog() {
-    return dialog;
+    return resultDialog;
  }
 }
@@ -15,21 +15,17 @@
 */
 package com.google.android.apps.mytracks.io.sendtogoogle;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.util.AnalyticsUtils;
 import com.google.android.apps.mytracks.util.ApiAdapterFactory;
 import com.google.android.apps.mytracks.util.IntentUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import com.google.common.annotations.VisibleForTesting;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.CheckBox;
@@ -153,16 +149,18 @@ public class UploadServiceChooserActivity extends Activity {
   */
  @VisibleForTesting
  void initState() {
-    SharedPreferences prefs = getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    boolean pickExistingMap = PreferencesUtils.getBoolean(
-    boolean pickExistingMap = prefs.getBoolean(getString(R.string.pick_existing_map_key), false);
+        this, R.string.pick_existing_map_key, PreferencesUtils.PICK_EXISTING_MAP_DEFAULT);
    newMapRadioButton.setChecked(!pickExistingMap);
    existingMapRadioButton.setChecked(pickExistingMap);
-    mapsCheckBox.setChecked(prefs.getBoolean(getString(R.string.send_to_maps_key), true));
+    mapsCheckBox.setChecked(PreferencesUtils.getBoolean(
-    fusionTablesCheckBox.setChecked(
+        this, R.string.send_to_maps_key, PreferencesUtils.SEND_TO_MAPS_DEFAULT));
-        prefs.getBoolean(getString(R.string.send_to_fusion_tables_key), true));
+    fusionTablesCheckBox.setChecked(PreferencesUtils.getBoolean(
-    docsCheckBox.setChecked(prefs.getBoolean(getString(R.string.send_to_docs_key), true));
+        this, R.string.send_to_fusion_tables_key, PreferencesUtils.SEND_TO_FUSION_TABLES_DEFAULT));
    docsCheckBox.setChecked(PreferencesUtils.getBoolean(
        this, R.string.send_to_docs_key, PreferencesUtils.SEND_TO_DOCS_DEFAULT));
  }
  /**
@@ -195,16 +193,13 @@ public class UploadServiceChooserActivity extends Activity {
   */
  @VisibleForTesting
  void saveState() {
-    SharedPreferences prefs = getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    PreferencesUtils.setBoolean(
-    Editor editor = prefs.edit();
+        this, R.string.pick_existing_map_key, existingMapRadioButton.isChecked());
    editor.putBoolean(
        getString(R.string.pick_existing_map_key), existingMapRadioButton.isChecked());
    if (sendRequest.isShowAll()) {
-      editor.putBoolean(getString(R.string.send_to_maps_key), sendMaps());
+      PreferencesUtils.setBoolean(this, R.string.send_to_maps_key, sendMaps());
-      editor.putBoolean(getString(R.string.send_to_fusion_tables_key), sendFusionTables());
+      PreferencesUtils.setBoolean(this, R.string.send_to_fusion_tables_key, sendFusionTables());
-      editor.putBoolean(getString(R.string.send_to_docs_key), sendDocs());
+      PreferencesUtils.setBoolean(this, R.string.send_to_docs_key, sendDocs());
    }
    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
  }
  /**
@@ -42,7 +42,6 @@ public class DynamicSpeedTrackPathDescriptor implements TrackPathDescriptor,
  private int slowSpeed;
  private int normalSpeed;
  private int speedMargin;
  private final int speedMarginDefault;
  private double averageMovingSpeed;
  private final Context context;
  @VisibleForTesting
@@ -50,29 +49,11 @@ public class DynamicSpeedTrackPathDescriptor implements TrackPathDescriptor,
  public DynamicSpeedTrackPathDescriptor(Context context) {
    this.context = context;
-    speedMarginDefault = Integer.parseInt(context
+    context.getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE)
-        .getString(R.string.color_mode_dynamic_percentage_default));
+        .registerOnSharedPreferenceChangeListener(this);
    SharedPreferences prefs = context.getSharedPreferences(Constants.SETTINGS_NAME,
        Context.MODE_PRIVATE);
-    if (prefs == null) {
+    speedMargin = PreferencesUtils.getInt(context, R.string.track_color_mode_percentage_key,
-      speedMargin = speedMarginDefault;
+        PreferencesUtils.TRACK_COLOR_MODE_PERCENTAGE_DEFAULT);
      return;
    }
    prefs.registerOnSharedPreferenceChangeListener(this);
    speedMargin = getSpeedMargin(prefs);
  }
  @VisibleForTesting
  int getSpeedMargin(SharedPreferences sharedPreferences) {
    try {
      return Integer.parseInt(sharedPreferences.getString(
          context.getString(R.string.track_color_mode_dynamic_speed_variation_key),
          Integer.toString(speedMarginDefault)));
    } catch (NumberFormatException e) {
      return speedMarginDefault;
    }
  }
  /**
@@ -98,23 +79,16 @@ public class DynamicSpeedTrackPathDescriptor implements TrackPathDescriptor,
  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
    Log.d(TAG, "DynamicSpeedTrackPathDescriptor: onSharedPreferences changed " + key);
-    if (key == null
+    if (PreferencesUtils.getKey(context, R.string.track_color_mode_percentage_key).equals(key)) {
-        || !key.equals(context.getString(R.string.track_color_mode_dynamic_speed_variation_key))) { return; }
+      speedMargin = PreferencesUtils.getInt(context, R.string.track_color_mode_percentage_key,
-    SharedPreferences prefs = context.getSharedPreferences(Constants.SETTINGS_NAME,
+          PreferencesUtils.TRACK_COLOR_MODE_PERCENTAGE_DEFAULT);
        Context.MODE_PRIVATE);
    if (prefs == null) {
      speedMargin = speedMarginDefault;
      return;
    }
    speedMargin = getSpeedMargin(prefs);
  }
  @Override
  public boolean needsRedraw() {
-    long selectedTrackId = PreferencesUtils.getSelectedTrackId(context);
+    long selectedTrackId = PreferencesUtils.getLong(context, R.string.selected_track_id_key);
-    if (selectedTrackId == -1L) {
+    if (selectedTrackId == PreferencesUtils.SELECTED_TRACK_ID_DEFAULT) {
      // Could not find track.
      return false;
    }
@@ -13,104 +13,66 @@
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.maps;
 import static com.google.android.apps.mytracks.Constants.TAG;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.util.Log;
 /**
 * A fixed speed path descriptor.
- *
+ * 
 * @author Vangelis S.
 */
-public class FixedSpeedTrackPathDescriptor implements TrackPathDescriptor, OnSharedPreferenceChangeListener {
+public class FixedSpeedTrackPathDescriptor
    implements TrackPathDescriptor, OnSharedPreferenceChangeListener {
  private int slowSpeed;
  private int normalSpeed;
  private final int slowDefault;
  private final int normalDefault;
  private final Context context;
-  
+
  public FixedSpeedTrackPathDescriptor(Context context) {
    this.context = context;
-    slowDefault = Integer.parseInt(context.getString(R.string.color_mode_fixed_slow_default));
+
-    normalDefault = Integer.parseInt(context.getString(R.string.color_mode_fixed_medium_default));
+    context.getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE)
-    
+        .registerOnSharedPreferenceChangeListener(this);
-    SharedPreferences prefs = context.getSharedPreferences(
+
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    slowSpeed = PreferencesUtils.getInt(context, R.string.track_color_mode_slow_key,
-    if (prefs == null) {
+        PreferencesUtils.TRACK_COLOR_MODE_SLOW_DEFAULT);
-      slowSpeed = slowDefault; 
+    normalSpeed = PreferencesUtils.getInt(context, R.string.track_color_mode_medium_key,
-      normalSpeed = normalDefault;
+        PreferencesUtils.TRACK_COLOR_MODE_MEDIUM_DEFAULT);
      return;
    }
    prefs.registerOnSharedPreferenceChangeListener(this);
    try {
      slowSpeed = Integer.parseInt(prefs.getString(context.getString(
          R.string.track_color_mode_fixed_speed_slow_key), Integer.toString(slowDefault)));
    } catch (NumberFormatException e) {
      slowSpeed = slowDefault;
    }
    try {
      normalSpeed = Integer.parseInt(prefs.getString(context.getString(
          R.string.track_color_mode_fixed_speed_medium_key), Integer.toString(normalDefault))); 
    } catch (NumberFormatException e) {
      normalSpeed = normalDefault;
    }
  }
-  
+
  /**
   * Gets the slow speed for reference.
   * 
   * @return The speed limit considered as slow.
   */
  public int getSlowSpeed() {
    return slowSpeed;
  }
-  
+
  /**
   * Gets the normal speed for reference.
   * 
   * @return The speed limit considered as normal.
   */
  public int getNormalSpeed() {
    return normalSpeed;
  }
-  
+
  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-    Log.d(TAG, "FixedSpeedTrackPathDescriptor: onSharedPreferences changed " + key);
+    if (PreferencesUtils.getKey(context, R.string.track_color_mode_slow_key).equals(key)) {
-    if (key == null 
+      slowSpeed = PreferencesUtils.getInt(context, R.string.track_color_mode_slow_key,
-    	|| (!key.equals(context.getString(R.string.track_color_mode_fixed_speed_slow_key))
+          PreferencesUtils.TRACK_COLOR_MODE_SLOW_DEFAULT);
-    	    && !key.equals(context.getString(R.string.track_color_mode_fixed_speed_medium_key)))) {
+    } else if (PreferencesUtils.getKey(context, R.string.track_color_mode_medium_key).equals(key)) {
-      return;
+      normalSpeed = PreferencesUtils.getInt(context, R.string.track_color_mode_medium_key,
-    }
+          PreferencesUtils.TRACK_COLOR_MODE_MEDIUM_DEFAULT);
    SharedPreferences prefs = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    if (prefs == null) {
      slowSpeed = slowDefault; 
      normalSpeed = normalDefault;
      return;
    }
    try {
      slowSpeed = Integer.parseInt(prefs.getString(context.getString(
 	    R.string.track_color_mode_fixed_speed_slow_key), Integer.toString(slowDefault)));
    } catch (NumberFormatException e) {
      slowSpeed = slowDefault;
    }
    try {
      normalSpeed = Integer.parseInt(prefs.getString(context.getString(
 	    R.string.track_color_mode_fixed_speed_medium_key), Integer.toString(normalDefault)));
    } catch (NumberFormatException e) {
      normalSpeed = normalDefault;
    }
  }
@@ -17,11 +17,10 @@ package com.google.android.apps.mytracks.maps;
 import static com.google.android.apps.mytracks.Constants.TAG;
-import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.util.Log;
 /**
@@ -40,26 +39,18 @@ public class TrackPathPainterFactory {
   * @return The TrackPathPainter that corresponds to the track color mode setting.
   */
  public static TrackPathPainter getTrackPathPainter(Context context) {
-    SharedPreferences prefs = context.getSharedPreferences(
+    String trackColorMode = PreferencesUtils.getString(context, R.string.track_color_mode_key,
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+        context.getString(R.string.settings_map_track_color_mode_single_value));
-    if (prefs == null) {
+    Log.i(TAG, "Creating track path painter of type: " + trackColorMode);
      return new SingleColorTrackPathPainter(context);
    }
    String colorMode = prefs.getString(context.getString(R.string.track_color_mode_key), null);
    Log.i(TAG, "Creating track path painter of type: " + colorMode);
-    if (colorMode == null
+    if (context.getString(R.string.settings_map_track_color_mode_fixed_value)
-        || colorMode.equals(context.getString(R.string.display_track_color_value_none))) {
+        .equals(trackColorMode)) {
-      return new SingleColorTrackPathPainter(context);
+      return new DynamicSpeedTrackPathPainter(context, new FixedSpeedTrackPathDescriptor(context));
-    } else if (colorMode.equals(context.getString(R.string.display_track_color_value_fixed))) {
+    } else if (context.getString(R.string.settings_map_track_color_mode_dynamic_value)
-      return new DynamicSpeedTrackPathPainter(context, 
+        .equals(trackColorMode)) {
-          new FixedSpeedTrackPathDescriptor(context));
+      return new DynamicSpeedTrackPathPainter(context, new DynamicSpeedTrackPathDescriptor(
-    } else if (colorMode.equals(context.getString(R.string.display_track_color_value_dynamic))) {
+          context));
      return new DynamicSpeedTrackPathPainter(context, 
          new DynamicSpeedTrackPathDescriptor(context));
    } else {
      Log.w(TAG, "Using default track path painter. Unrecognized painter: " + colorMode);
      return new SingleColorTrackPathPainter(context);
    }
  }
@@ -16,6 +16,7 @@
 package com.google.android.apps.mytracks.services;
 /**
 * A LocationListenerPolicy that will change based on how long the user has been
 * stationary.
@@ -39,7 +40,7 @@ public class AdaptiveLocationListenerPolicy implements LocationListenerPolicy {
  private final long maxInterval;
  private final int minDistance;
-
+  
  /**
   * The time the user has been at the current location, in milliseconds.
   */
@@ -20,6 +20,7 @@ import static com.google.android.apps.mytracks.Constants.TAG;
 import com.google.android.apps.mytracks.widgets.TrackWidgetProvider;
 import com.google.android.maps.mytracks.R;
 import com.google.common.annotations.VisibleForTesting;
 import android.app.IntentService;
 import android.content.ComponentName;
@@ -94,6 +95,18 @@ public class ControlRecordingService extends IntentService implements ServiceCon
  @Override
  protected void onHandleIntent(Intent intent) {
    waitConnected();
    onHandleIntent(intent, trackRecordingService);
  }
  /**
   * Handles the intent to start or stop a recording.
   * 
   * @param intent to be handled
   * @param trackRecordingService the trackRecordingService
   */
  @VisibleForTesting
  void onHandleIntent(Intent intent, @SuppressWarnings("hiding") ITrackRecordingService trackRecordingService) {
    String action = intent.getAction();
    if (action != null) {
      try {
@@ -15,13 +15,12 @@
 */
 package com.google.android.apps.mytracks.services;
-import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.StringUtils;
 import com.google.android.maps.mytracks.R;
 import com.google.common.annotations.VisibleForTesting;
 import android.content.Context;
 import android.content.SharedPreferences;
 import java.text.SimpleDateFormat;
@@ -59,7 +58,7 @@ public class DefaultTrackNameFactory {
    } else {
      // trackNameSetting equals
      // R.string.settings_recording_track_name_number_value
-      return String.format(context.getString(R.string.track_name_format), trackId);
+      return context.getString(R.string.track_name_format, trackId);
    }
  }
@@ -68,10 +67,7 @@ public class DefaultTrackNameFactory {
   */
  @VisibleForTesting
  String getTrackNameSetting() {
-    SharedPreferences sharedPreferences = context.getSharedPreferences(
+    return PreferencesUtils.getString(context, R.string.track_name_key,
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    return sharedPreferences.getString(
        context.getString(R.string.track_name_key),
        context.getString(R.string.settings_recording_track_name_date_local_value));
  }
 }
@@ -16,156 +16,120 @@
 package com.google.android.apps.mytracks.services;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.util.ApiAdapterFactory;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.util.Log;
 /**
 * A class that manages reading the shared preferences for the service.
- *
+ * 
 * @author Sandor Dornbush
 */
 public class PreferenceManager implements OnSharedPreferenceChangeListener {
  private TrackRecordingService service;
  private SharedPreferences sharedPreferences;
  private final String announcementFrequencyKey;
  private final String autoResumeTrackCurrentRetryKey;
  private final String autoResumeTrackTimeoutKey;
  private final String maxRecordingDistanceKey;
  private final String minRecordingDistanceKey;
  private final String minRecordingIntervalKey;
  private final String minRequiredAccuracyKey;
  private final String splitFrequencyKey;
  public PreferenceManager(TrackRecordingService service) {
    this.service = service;
    this.sharedPreferences = service.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    if (sharedPreferences == null) {
      Log.w(Constants.TAG,
          "TrackRecordingService: Couldn't get shared preferences.");
      throw new IllegalStateException("Couldn't get shared preferences");
    }
    sharedPreferences.registerOnSharedPreferenceChangeListener(this);
    announcementFrequencyKey =
        service.getString(R.string.announcement_frequency_key);
    autoResumeTrackCurrentRetryKey =
        service.getString(R.string.auto_resume_track_current_retry_key);
    autoResumeTrackTimeoutKey =
        service.getString(R.string.auto_resume_track_timeout_key);
    maxRecordingDistanceKey =
        service.getString(R.string.max_recording_distance_key);
    minRecordingDistanceKey =
        service.getString(R.string.min_recording_distance_key);
    minRecordingIntervalKey =
        service.getString(R.string.min_recording_interval_key);
    minRequiredAccuracyKey =
        service.getString(R.string.min_required_accuracy_key);
    splitFrequencyKey =
        service.getString(R.string.split_frequency_key);
    // Refresh all properties.
    onSharedPreferenceChanged(sharedPreferences, null);
  }
  /**
-   * Notifies that preferences have changed.
+   * Notifies that preferences have changed. Call this with key == null to
-   * Call this with key == null to update all preferences in one call.
+   * update all preferences in one call.
-   *
+   * 
   * @param key the key that changed (may be null to update all preferences)
   */
  @Override
-  public void onSharedPreferenceChanged(SharedPreferences preferences,
+  public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
      String key) {
    if (service == null) {
-      Log.w(Constants.TAG,
+      Log.w(Constants.TAG, "onSharedPreferenceChanged: a preference change (key = " + key
          "onSharedPreferenceChanged: a preference change (key = " + key
          + ") after a call to shutdown()");
      return;
    }
-    if (key == null || key.equals(minRecordingDistanceKey)) {
+    if (key == null
-      int minRecordingDistance = sharedPreferences.getInt(
+        || PreferencesUtils.getKey(service, R.string.recording_track_id_key).equals(key)) {
-          minRecordingDistanceKey,
+      long recordingTrackId = PreferencesUtils.getLong(service, R.string.recording_track_id_key);
-          Constants.DEFAULT_MIN_RECORDING_DISTANCE);
+      /*
-      service.setMinRecordingDistance(minRecordingDistance);
+       * Only set the id if it is valid. Setting it to -1L should only happen
-      Log.d(Constants.TAG,
+       * in TrackRecordingService.endCurrentTrack()
-          "TrackRecordingService: minRecordingDistance = "
+       */
-          + minRecordingDistance);
+      if (recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT) {
        service.setRecordingTrackId(recordingTrackId);
      }
    }
-    if (key == null || key.equals(maxRecordingDistanceKey)) {
+    if (key == null || PreferencesUtils.getKey(service, R.string.metric_units_key).equals(key)) {
-      service.setMaxRecordingDistance(sharedPreferences.getInt(
+      service.setMetricUnits(PreferencesUtils.getBoolean(
-          maxRecordingDistanceKey,
+          service, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT));
          Constants.DEFAULT_MAX_RECORDING_DISTANCE));
    }
-    if (key == null || key.equals(minRecordingIntervalKey)) {
+    if (key == null
-      int minRecordingInterval = sharedPreferences.getInt(
+        || PreferencesUtils.getKey(service, R.string.announcement_frequency_key).equals(key)) {
-          minRecordingIntervalKey,
+      service.setAnnouncementFrequency(PreferencesUtils.getInt(
-          Constants.DEFAULT_MIN_RECORDING_INTERVAL);
+          service, R.string.announcement_frequency_key,
          PreferencesUtils.ANNOUNCEMENT_FREQUENCY_DEFAULT));
    }
    if (key == null || PreferencesUtils.getKey(service, R.string.split_frequency_key).equals(key)) {
      service.setSplitFrequency(PreferencesUtils.getInt(
          service, R.string.split_frequency_key, PreferencesUtils.SPLIT_FREQUENCY_DEFAULT));
    }
    if (key == null
        || PreferencesUtils.getKey(service, R.string.min_recording_interval_key).equals(key)) {
      int minRecordingInterval = PreferencesUtils.getInt(service,
          R.string.min_recording_interval_key, PreferencesUtils.MIN_RECORDING_INTERVAL_DEFAULT);
      switch (minRecordingInterval) {
-        case -2:
+        case PreferencesUtils.MIN_RECORDING_INTERVAL_ADAPT_BATTERY_LIFE:
-          // Battery Miser
+          /*
-          // min: 30 seconds
+           * Choose battery life over moving time accuracy. min: 30 seconds,
-          // max: 5 minutes
+           * max: 5 minutes, inDist: 5 meters.
-          // minDist: 5 meters Choose battery life over moving time accuracy.
+           */
-          service.setLocationListenerPolicy(
+          service.setLocationListenerPolicy(new AdaptiveLocationListenerPolicy(30000, 300000, 5));
              new AdaptiveLocationListenerPolicy(30000, 300000, 5));
          break;
-        case -1:
+        case PreferencesUtils.MIN_RECORDING_INTERVAL_ADAPT_ACCURACY:
-          // High Accuracy
+          /*
-          // min: 1 second
+           * Get all the updates. min: 1 second, max: 30 seconds, minDist: 0
-          // max: 30 seconds
+           * meter.
-          // minDist: 0 meters get all updates to properly measure moving time.
+           */
-          service.setLocationListenerPolicy(
+          service.setLocationListenerPolicy(new AdaptiveLocationListenerPolicy(1000, 30000, 0));
              new AdaptiveLocationListenerPolicy(1000, 30000, 0));
          break;
        default:
          service.setLocationListenerPolicy(
              new AbsoluteLocationListenerPolicy(minRecordingInterval * 1000));
      }
    }
-    if (key == null || key.equals(minRequiredAccuracyKey)) {
+    if (key == null
-      service.setMinRequiredAccuracy(sharedPreferences.getInt(
+        || PreferencesUtils.getKey(service, R.string.min_recording_distance_key).equals(key)) {
-          minRequiredAccuracyKey,
+      service.setMinRecordingDistance(PreferencesUtils.getInt(
-          Constants.DEFAULT_MIN_REQUIRED_ACCURACY));
+          service, R.string.min_recording_distance_key,
          PreferencesUtils.MIN_RECORDING_DISTANCE_DEFAULT));
    }
-    if (key == null || key.equals(announcementFrequencyKey)) {
+    if (key == null
-      service.setAnnouncementFrequency(
+        || PreferencesUtils.getKey(service, R.string.max_recording_distance_key).equals(key)) {
-          sharedPreferences.getInt(announcementFrequencyKey, -1));
+      service.setMaxRecordingDistance(PreferencesUtils.getInt(
          service, R.string.max_recording_distance_key,
          PreferencesUtils.MAX_RECORDING_DISTANCE_DEFAULT));
    }
    if (key == null || key.equals(autoResumeTrackTimeoutKey)) {
      service.setAutoResumeTrackTimeout(sharedPreferences.getInt(
          autoResumeTrackTimeoutKey,
          Constants.DEFAULT_AUTO_RESUME_TRACK_TIMEOUT));
    }
    if (key == null || key.equals(PreferencesUtils.getRecordingTrackIdKey(service))) {
      long recordingTrackId = PreferencesUtils.getRecordingTrackId(service);
      // Only read the id if it is valid.
      // Setting it to -1 should only happen in
      // TrackRecordingService.endCurrentTrack()
      if (recordingTrackId != -1L) {
        service.setRecordingTrackId(recordingTrackId);
      }
    }
    if (key == null || key.equals(splitFrequencyKey)) {
      service.setSplitFrequency(
          sharedPreferences.getInt(splitFrequencyKey, 0));
    }
    if (key == null || key.equals(PreferencesUtils.getMetricUnitsKey(service))) {
      service.setMetricUnits(PreferencesUtils.isMetricUnits(service));
    }
  }
-  public void setAutoResumeTrackCurrentRetry(int retryAttempts) {
+    if (key == null
-    Editor editor = sharedPreferences.edit();
+        || PreferencesUtils.getKey(service, R.string.min_required_accuracy_key).equals(key)) {
-    editor.putInt(autoResumeTrackCurrentRetryKey, retryAttempts);
+      service.setMinRequiredAccuracy(PreferencesUtils.getInt(
-    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
+          service, R.string.min_required_accuracy_key,
          PreferencesUtils.MIN_REQUIRED_ACCURACY_DEFAULT));
    }
    if (key == null
        || PreferencesUtils.getKey(service, R.string.auto_resume_track_timeout_key).equals(key)) {
      service.setAutoResumeTrackTimeout(PreferencesUtils.getInt(
          service, R.string.auto_resume_track_timeout_key,
          PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT));
    }
  }
  public void shutdown() {
@@ -50,7 +50,6 @@ import android.app.Service;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteException;
 import android.location.Location;
@@ -84,14 +83,10 @@ public class TrackRecordingService extends Service {
  private LocationManager locationManager;
  private WakeLock wakeLock;
-  private int minRecordingDistance =
+  private int minRecordingDistance = PreferencesUtils.MIN_RECORDING_DISTANCE_DEFAULT;
-      Constants.DEFAULT_MIN_RECORDING_DISTANCE;
+  private int maxRecordingDistance = PreferencesUtils.MAX_RECORDING_DISTANCE_DEFAULT;
-  private int maxRecordingDistance =
+  private int minRequiredAccuracy = PreferencesUtils.MIN_REQUIRED_ACCURACY_DEFAULT;
-      Constants.DEFAULT_MAX_RECORDING_DISTANCE;
+  private int autoResumeTrackTimeout = PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT;
  private int minRequiredAccuracy =
      Constants.DEFAULT_MIN_REQUIRED_ACCURACY;
  private int autoResumeTrackTimeout =
      Constants.DEFAULT_AUTO_RESUME_TRACK_TIMEOUT;
  private long recordingTrackId = -1;
@@ -123,7 +118,7 @@ public class TrackRecordingService extends Service {
  private SensorManager sensorManager;
-  private PreferenceManager prefManager;
+  private PreferenceManager prefereceManager;
  /**
   * The interval in milliseconds that we have requested to be notified of gps
@@ -248,7 +243,7 @@ public class TrackRecordingService extends Service {
    setUpTaskExecutors();
    executorService = Executors.newSingleThreadExecutor();
-    prefManager = new PreferenceManager(this);
+    prefereceManager = new PreferenceManager(this);
    registerLocationListener();
@@ -271,7 +266,7 @@ public class TrackRecordingService extends Service {
            + "Resetting an orphaned recording track = " + recordingTrackId);
      }
      recordingTrackId = -1L;
-      PreferencesUtils.setRecordingTrackId(this, recordingTrackId);
+      PreferencesUtils.setLong(this, R.string.recording_track_id_key, recordingTrackId);
    }
    showNotification();
  }
@@ -328,7 +323,7 @@ public class TrackRecordingService extends Service {
          + recordingTrack + ") doesn't exist or is too old");
      isRecording = false;
      recordingTrackId = -1L;
-      PreferencesUtils.setRecordingTrackId(this, recordingTrackId);
+      PreferencesUtils.setLong(this, R.string.recording_track_id_key, recordingTrackId);
      stopSelfResult(startId);
      return;
    }
@@ -354,8 +349,7 @@ public class TrackRecordingService extends Service {
    isRecording = false;
    showNotification();
-    prefManager.shutdown();
+    prefereceManager.shutdown();
    prefManager = null;
    checkLocationListener.cancel();
    checkLocationListener = null;
    timer.cancel();
@@ -383,7 +377,7 @@ public class TrackRecordingService extends Service {
  private void setAutoResumeTrackRetries(int retryAttempts) {
    Log.d(TAG, "Updating auto-resume retry attempts to: " + retryAttempts);
-    prefManager.setAutoResumeTrackCurrentRetry(retryAttempts);
+    PreferencesUtils.setInt(this, R.string.auto_resume_track_current_retry_key, retryAttempts);
  }
  private boolean shouldResumeTrack(Track track) {
@@ -391,10 +385,8 @@ public class TrackRecordingService extends Service {
        + autoResumeTrackTimeout);
    // Check if we haven't exceeded the maximum number of retry attempts.
-    SharedPreferences sharedPreferences = getSharedPreferences(
+    int retries = PreferencesUtils.getInt(this, R.string.auto_resume_track_current_retry_key,
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+        PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT);
    int retries = sharedPreferences.getInt(
        getString(R.string.auto_resume_track_current_retry_key), 0);
    Log.d(TAG,
        "shouldResumeTrack: Attempting to auto-resume the track ("
        + (retries + 1) + "/" + MAX_AUTO_RESUME_TRACK_RETRY_ATTEMPTS + ")");
@@ -409,12 +401,12 @@ public class TrackRecordingService extends Service {
    setAutoResumeTrackRetries(retries + 1);
    // Check for special cases.
-    if (autoResumeTrackTimeout == 0) {
+    if (autoResumeTrackTimeout == PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_NEVER) {
      // Never resume.
      Log.d(TAG,
          "shouldResumeTrack: Auto-resume disabled (never resume)");
      return false;
-    } else if (autoResumeTrackTimeout == -1) {
+    } else if (autoResumeTrackTimeout == PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_ALWAYS) {
      // Always resume.
      Log.d(TAG,
          "shouldResumeTrack: Auto-resume forced (always resume)");
@@ -565,12 +557,6 @@ public class TrackRecordingService extends Service {
        "Location listener now unregistered w/ TrackRecordingService.");
  }
  private String getDefaultActivityType(Context context) {
    SharedPreferences prefs = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    return prefs.getString(context.getString(R.string.default_activity_key), "");
  }
  /*
   * Recording lifecycle.
   */
@@ -593,7 +579,8 @@ public class TrackRecordingService extends Service {
    track.setId(recordingTrackId);
    track.setName(new DefaultTrackNameFactory(this).getDefaultTrackName(
        recordingTrackId, startTime));
-    track.setCategory(getDefaultActivityType(this));
+    track.setCategory(PreferencesUtils.getString(
        this, R.string.default_activity_key, PreferencesUtils.DEFAULT_ACTIVITY_DEFAULT));
    isRecording = true;
    isMoving = true;
@@ -611,7 +598,7 @@ public class TrackRecordingService extends Service {
    // Reset the number of auto-resume retries.
    setAutoResumeTrackRetries(0);
    // Persist the current recording track.
-    PreferencesUtils.setRecordingTrackId(this, recordingTrackId);
+    PreferencesUtils.setLong(this, R.string.recording_track_id_key, recordingTrackId);
    // Notify the world that we're now recording.
    sendTrackBroadcast(
@@ -1054,7 +1041,7 @@ public class TrackRecordingService extends Service {
    showNotification();
    long recordedTrackId = recordingTrackId;
    recordingTrackId = -1L;
-    PreferencesUtils.setRecordingTrackId(this, recordingTrackId);
+    PreferencesUtils.setLong(this, R.string.recording_track_id_key, recordingTrackId);
    if (sensorManager != null) {
      SensorManagerFactory.getInstance().releaseSensorManager(sensorManager);
@@ -1075,10 +1062,8 @@ public class TrackRecordingService extends Service {
        .setAction(getString(actionResId))
        .putExtra(getString(R.string.track_id_broadcast_extra), trackId);
    sendBroadcast(broadcastIntent, getString(R.string.permission_notification_value));
-
+    if (PreferencesUtils.getBoolean(
-    SharedPreferences sharedPreferences = getSharedPreferences(
+        this, R.string.allow_access_key, PreferencesUtils.ALLOW_ACCESS_DEFAULT)) {
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    if (sharedPreferences.getBoolean(getString(R.string.allow_access_key), false)) {
      sendBroadcast(broadcastIntent, getString(R.string.broadcast_notifications_permission));
    }
  }
@@ -1224,20 +1209,17 @@ public class TrackRecordingService extends Service {
    /**
     * Returns true if the RPC caller is from the same application or if the
-     * "Allow access" setting indicates that another app can invoke this service's
+     * "Allow access" setting indicates that another app can invoke this
-     * RPCs.
+     * service's RPCs.
     */
    private boolean canAccess() {
      // As a precondition for access, must check if the service is available.
      checkService();
      if (Process.myPid() == Binder.getCallingPid()) {
        return true;
      } else {
-        SharedPreferences sharedPreferences = service.getSharedPreferences(
+        return PreferencesUtils.getBoolean(
-            Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+            service, R.string.allow_access_key, PreferencesUtils.ALLOW_ACCESS_DEFAULT);
        return sharedPreferences.getBoolean(service.getString(R.string.allow_access_key), false);
      }
    }
@@ -19,12 +19,12 @@ import static com.google.android.apps.mytracks.Constants.TAG;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.Sensor;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
@@ -127,16 +127,20 @@ public class BluetoothSensorManager extends SensorManager {
      Log.w(Constants.TAG, "Disabled manager onStartTrack");
      return;
    }
-    SharedPreferences prefs = context.getSharedPreferences(
+    String address = PreferencesUtils.getString(
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+        context, R.string.bluetooth_sensor_key, PreferencesUtils.BLUETOOTH_SENSOR_DEFAULT);
-    String address =
+    if (PreferencesUtils.BLUETOOTH_SENSOR_DEFAULT.equals(address)) {
      prefs.getString(context.getString(R.string.bluetooth_sensor_key), "");
    if (address == null || address.equals("")) {
      return;
    }
    Log.w(Constants.TAG, "Connecting to bluetooth sensor: " + address);
    // Get the BluetoothDevice object
-    BluetoothDevice device = bluetoothAdapter.getRemoteDevice(address);
+    BluetoothDevice device;
    try {
      device = bluetoothAdapter.getRemoteDevice(address);
    } catch (IllegalArgumentException e) {
      Log.d(Constants.TAG, "Invalid address " + address, e);
      return;
    }
    // Attempt to connect to the device
    connectionManager.connect(device);
@@ -18,10 +18,10 @@ package com.google.android.apps.mytracks.services.sensors;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.services.sensors.ant.AntDirectSensorManager;
 import com.google.android.apps.mytracks.services.sensors.ant.AntSrmBridgeSensorManager;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.util.Log;
 /**
@@ -53,41 +53,36 @@ public class SensorManagerFactory {
   * @return The sensor manager that corresponds to the sensor type setting.
   */
  public SensorManager getSensorManager(Context context) {
    SharedPreferences prefs = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    if (prefs == null) {
      return null;
    }
    context = context.getApplicationContext();
    String sensorTypeValueNone = context.getString(R.string.sensor_type_value_none);
    String sensorType = PreferencesUtils.getString(
        context, R.string.sensor_type_key, sensorTypeValueNone);
    Log.i(Constants.TAG, "Creating sensor of type: " + sensorType);
-    String sensor = prefs.getString(context.getString(R.string.sensor_type_key), null);
+    if (sensorTypeValueNone.equals(sensorType)) {
    Log.i(Constants.TAG, "Creating sensor of type: " + sensor);
    if (sensor == null) {
      reset();
      return null;
    }
-    if (sensor.equals(activeSensorType)) {
+    if (sensorType.equals(activeSensorType)) {
      Log.i(Constants.TAG, "Returning existing sensor manager.");
      refCount++;
      return activeSensorManager;
    }
    reset();
-    if (sensor.equals(context.getString(R.string.sensor_type_value_ant))) {
+    if (sensorType.equals(context.getString(R.string.sensor_type_value_ant))) {
      activeSensorManager = new AntDirectSensorManager(context);
-    } else if (sensor.equals(context.getString(R.string.sensor_type_value_srm_ant_bridge))) {
+    } else if (sensorType.equals(context.getString(R.string.sensor_type_value_srm_ant_bridge))) {
      activeSensorManager = new AntSrmBridgeSensorManager(context);
-    } else if (sensor.equals(context.getString(R.string.sensor_type_value_zephyr))) {
+    } else if (sensorType.equals(context.getString(R.string.sensor_type_value_zephyr))) {
      activeSensorManager = new ZephyrSensorManager(context);
-    } else if (sensor.equals(context.getString(R.string.sensor_type_value_polar))) {
+    } else if (sensorType.equals(context.getString(R.string.sensor_type_value_polar))) {
      activeSensorManager = new PolarSensorManager(context);
    } else  {
-      Log.w(Constants.TAG, "Unable to find sensor type: " + sensor);
+      Log.w(Constants.TAG, "Unable to find sensor type: " + sensorType);
      return null;
    }
-    activeSensorType = sensor;
+    activeSensorType = sensorType;
    refCount = 1;
    activeSensorManager.onStartTrack();
    return activeSensorManager;
@@ -20,13 +20,11 @@ import static com.google.android.apps.mytracks.Constants.TAG;
 import com.dsi.ant.AntDefine;
 import com.dsi.ant.AntMesg;
 import com.dsi.ant.exception.AntInterfaceException;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.Sensor;
-import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.util.Log;
 /**
@@ -107,11 +105,7 @@ public class AntDirectSensorManager extends AntSensorManager
    }
    Log.i(TAG, "Found ANT device id: " + deviceNumber + " on channel: " + channel);
-    SharedPreferences prefs = context.getSharedPreferences(
+    PreferencesUtils.setInt(context, sensorIdKeys[channel], deviceNumber);
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = prefs.edit();
    editor.putInt(context.getString(sensorIdKeys[channel]), deviceNumber);
    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
    return deviceNumber;
  }
@@ -171,12 +165,8 @@ public class AntDirectSensorManager extends AntSensorManager
  protected void setupAntSensorChannels() {
    short devIds[] = new short[sensorIdKeys.length];
-    SharedPreferences prefs = context.getSharedPreferences(
+    for (int i = 0; i < sensorIdKeys.length; ++i) {
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+      devIds[i] = (short) PreferencesUtils.getInt(context, sensorIdKeys[i], WILDCARD);
    if (prefs != null) {
      for (int i = 0; i < sensorIdKeys.length; ++i) {
        devIds[i] = (short) prefs.getInt(context.getString(sensorIdKeys[i]), WILDCARD);
      }
    }
    sensors = new AntSensorBase[] {
@@ -20,14 +20,12 @@ import static com.google.android.apps.mytracks.Constants.TAG;
 import com.dsi.ant.AntDefine;
 import com.dsi.ant.AntMesg;
 import com.dsi.ant.exception.AntInterfaceException;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.Sensor;
-import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.BuildConfig;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.util.Log;
 /**
@@ -68,13 +66,8 @@ public class AntSrmBridgeSensorManager extends AntSensorManager {
    deviceNumber = WILDCARD;
    // First read the the device id that we will be pairing with.
-    SharedPreferences prefs = context.getSharedPreferences(
+    deviceNumber = (short) PreferencesUtils.getInt(
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+        context, R.string.ant_srm_bridge_sensor_id_key, WILDCARD);
    if (prefs != null) {
      deviceNumber =
        (short) prefs.getInt(context.getString(
            R.string.ant_srm_bridge_sensor_id_key), 0);
    }
    Log.i(TAG, "Will pair with device: " + deviceNumber);
  }
@@ -194,12 +187,7 @@ public class AntSrmBridgeSensorManager extends AntSensorManager {
    AntChannelIdMessage message = new AntChannelIdMessage(rawMessage);
    deviceNumber = message.getDeviceNumber();
    Log.d(TAG, "Found device id: " + deviceNumber);
-
+    PreferencesUtils.setInt(context, R.string.ant_srm_bridge_sensor_id_key, deviceNumber);
    SharedPreferences prefs = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = prefs.edit();
    editor.putInt(context.getString(R.string.ant_srm_bridge_sensor_id_key), deviceNumber);
    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
  }
  private void handleMessageResponse(byte[] rawMessage) {
@@ -18,6 +18,7 @@ package com.google.android.apps.mytracks.services.tasks;
 import static com.google.android.apps.mytracks.Constants.TAG;
 import com.google.android.apps.mytracks.services.TrackRecordingService;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
 import android.util.Log;
@@ -34,7 +35,7 @@ public class PeriodicTaskExecutor {
   * A value greater than zero is a frequency in time.
   * A value less than zero is considered a frequency in distance.
   */
-  private int taskFrequency = 0;
+  private int taskFrequency = PreferencesUtils.PERIODIC_TASK_OFF;
  /**
   * The next distance when the task should execute.
@@ -74,7 +75,7 @@ public class PeriodicTaskExecutor {
        timerExecutor = null;
      }
    }
-    if (taskFrequency == 0) {
+    if (taskFrequency == PreferencesUtils.PERIODIC_TASK_OFF) {
      return;
    }
@@ -150,9 +150,11 @@ public class StatusAnnouncerTask implements PeriodicTask {
   */
  // @VisibleForTesting
  protected String getAnnouncement(TripStatistics stats) {
-    boolean metricUnits = PreferencesUtils.isMetricUnits(context);
+    boolean metricUnits = PreferencesUtils.getBoolean(
-    boolean reportSpeed = PreferencesUtils.isReportSpeed(context);   
+        context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
-    double d =  stats.getTotalDistance() * UnitConversions.M_TO_KM;
+    boolean reportSpeed = PreferencesUtils.getBoolean(
        context, R.string.report_speed_key, PreferencesUtils.REPORT_SPEED_DEFAULT);
    double d = stats.getTotalDistance() * UnitConversions.M_TO_KM;
    double s =  stats.getAverageMovingSpeed() * UnitConversions.MS_TO_KMH;
    if (d == 0) {
@@ -0,0 +1,74 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.settings;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.io.backup.BackupPreferencesListener;
 import com.google.android.apps.mytracks.util.ApiAdapterFactory;
 import android.content.Context;
 import android.os.Bundle;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceManager;
 import android.speech.tts.TextToSpeech;
 import android.view.MenuItem;
 /**
 * An abstract activity for all the settings activities.
 * 
 * @author Jimmy Shih
 */
 public class AbstractSettingsActivity extends PreferenceActivity {
  private BackupPreferencesListener backupPreferencesListener;
  @Override
  protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
    ApiAdapterFactory.getApiAdapter().configureActionBarHomeAsUp(this);
    @SuppressWarnings("deprecation")
    PreferenceManager preferenceManager = getPreferenceManager();
    preferenceManager.setSharedPreferencesName(Constants.SETTINGS_NAME);
    preferenceManager.setSharedPreferencesMode(Context.MODE_PRIVATE);
    // Set up automatic preferences backup
    backupPreferencesListener = ApiAdapterFactory.getApiAdapter()
        .getBackupPreferencesListener(this);
    preferenceManager.getSharedPreferences()
        .registerOnSharedPreferenceChangeListener(backupPreferencesListener);
  }
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    if (item.getItemId() != android.R.id.home) {
      return super.onOptionsItemSelected(item);
    }
    finish();
    return true;
  }
  @Override
  protected void onDestroy() {
    super.onDestroy();
    @SuppressWarnings("deprecation")
    PreferenceManager preferenceManager = getPreferenceManager();
    preferenceManager.getSharedPreferences()
        .unregisterOnSharedPreferenceChangeListener(backupPreferencesListener);
  }
 }
@@ -0,0 +1,127 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.settings;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.io.backup.BackupActivity;
 import com.google.android.apps.mytracks.io.backup.RestoreChooserActivity;
 import com.google.android.apps.mytracks.util.DialogUtils;
 import com.google.android.apps.mytracks.util.IntentUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 /**
 * An activity for accessing the backup settings.
 * 
 * @author Jimmy Shih
 */
 public class BackupSettingsActivity extends AbstractSettingsActivity {
  private static final int DIALOG_CONFIRM_RESTORE_ID = 0;
  Preference backupPreference;
  Preference restorePreference;
  /*
   * Note that sharedPreferenceChangeListenr cannot be an anonymous inner class.
   * Anonymous inner class will get garbage collected.
   */
  private final OnSharedPreferenceChangeListener
      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
        @Override
        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
          // Note that key can be null
          if (PreferencesUtils.getKey(BackupSettingsActivity.this, R.string.recording_track_id_key)
              .equals(key)) {
            updateUi();
          }
        }
      };
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE)
        .registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
    addPreferencesFromResource(R.xml.backup_settings);
    backupPreference = findPreference(getString(R.string.settings_backup_now_key));
    backupPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = IntentUtils.newIntent(BackupSettingsActivity.this, BackupActivity.class);
        startActivity(intent);
        return true;
      }
    });
    restorePreference = findPreference(getString(R.string.settings_backup_restore_key));
    restorePreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        showDialog(DIALOG_CONFIRM_RESTORE_ID);
        return true;
      }
    });
  }
  @Override
  protected Dialog onCreateDialog(int id) {
    if (id != DIALOG_CONFIRM_RESTORE_ID) {
      return null;
    }
    return DialogUtils.createConfirmationDialog(this,
        R.string.settings_backup_restore_confirm_message, new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            Intent intent = IntentUtils.newIntent(
                BackupSettingsActivity.this, RestoreChooserActivity.class);
            startActivity(intent);
          }
        });
  }
  @Override
  protected void onResume() {
    super.onResume();
    updateUi();
  }
  /**
   * Updates the UI based on the recording state.
   */
  private void updateUi() {
    boolean isRecording = PreferencesUtils.getLong(this, R.string.recording_track_id_key)
        != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
    backupPreference.setEnabled(!isRecording);
    restorePreference.setEnabled(!isRecording);
    backupPreference.setSummary(isRecording ? R.string.settings_not_while_recording
        : R.string.settings_backup_now_summary);
    restorePreference.setSummary(isRecording ? R.string.settings_not_while_recording
        : R.string.settings_backup_restore_summary);
  }
 }
@@ -0,0 +1,54 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.settings;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 /**
 * An activity for accessing chart settings.
 * 
 * @author Jimmy Shih
 */
 public class ChartSettingsActivity extends AbstractSettingsActivity {
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    addPreferencesFromResource(R.xml.chart_settings);
  }
  @Override
  protected void onResume() {
    super.onResume();
    updateUi();
  }
  @SuppressWarnings("deprecation")
  private void updateUi() {
    CheckBoxPreference speedCheckBoxPreference = (CheckBoxPreference) findPreference(
        getString(R.string.chart_show_speed_key));
    boolean reportSpeed = PreferencesUtils.getBoolean(
        this, R.string.report_speed_key, PreferencesUtils.REPORT_SPEED_DEFAULT);
    speedCheckBoxPreference.setTitle(reportSpeed ? R.string.stats_speed
        : R.string.stats_pace);
  }
 }
@@ -0,0 +1,273 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.settings;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
 import com.google.android.maps.mytracks.R;
 import android.app.Dialog;
 import android.os.Bundle;
 import android.preference.EditTextPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.inputmethod.EditorInfo;
 import android.widget.TextView;
 /**
 * An activity for accessing map settings.
 * 
 * @author Jimmy Shih
 */
 public class MapSettingsActivity extends AbstractSettingsActivity {
  private static final String TAG = MapSettingsActivity.class.getSimpleName();
  private EditTextPreference slowEditTextPreference;
  private EditTextPreference mediumEditTextPreference;
  private EditTextPreference percentageEditTextPreference;
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    addPreferencesFromResource(R.xml.map_settings);
    ListPreference trackColorModeListPreference = (ListPreference) findPreference(
        getString(R.string.track_color_mode_key));
    trackColorModeListPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
        @Override
      public boolean onPreferenceChange(Preference preference, Object newValue) {
        updateUiByTrackColorMode((String) newValue);
        return true;
      }
    });
    slowEditTextPreference = (EditTextPreference) findPreference(
        getString(R.string.settings_map_slow_display_key));
    configureSpeedEditTextPreference(R.string.track_color_mode_slow_key);
    mediumEditTextPreference = (EditTextPreference) findPreference(
        getString(R.string.settings_map_medium_display_key));
    configureSpeedEditTextPreference(R.string.track_color_mode_medium_key);
    percentageEditTextPreference = (EditTextPreference) findPreference(
        getString(R.string.settings_map_percentage_display_key));
    configurePercentageEditTextPreference();
    updatePercentageSummary();
    configureImeActionDone(slowEditTextPreference);
    configureImeActionDone(mediumEditTextPreference);
    configureImeActionDone(percentageEditTextPreference);
    updateUiByTrackColorMode(trackColorModeListPreference.getValue());
  }
  /**
   * Configures the speed edit text preference.
   * 
   * @param keyId the key id
   */
  private void configureSpeedEditTextPreference(final int keyId) {
    final EditTextPreference editTextPreference = keyId == R.string.track_color_mode_slow_key ? slowEditTextPreference
        : mediumEditTextPreference;
    editTextPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
        @Override
      public boolean onPreferenceChange(Preference preference, Object newValue) {
        storeSpeedValue(keyId, (String) newValue);
        updateSpeedSummary(keyId);
        return true;
      }
    });
    editTextPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        int value = getSpeedDisplayValue(keyId);
        ((EditTextPreference) preference).getEditText().setText(String.valueOf(value));
        return true;
      }
    });
  }
  /**
   * Configures the percentage edit text preference.
   */
  private void configurePercentageEditTextPreference() {
    percentageEditTextPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
        @Override
      public boolean onPreferenceChange(Preference preference, Object newValue) {
        String displayValue = (String) newValue;
        int value;
        try {
          value = Integer.parseInt(displayValue);
        } catch (NumberFormatException e) {
          Log.e(TAG, "invalid value " + displayValue);
          value = PreferencesUtils.TRACK_COLOR_MODE_PERCENTAGE_DEFAULT;
        }
        if (value < 0) {
          value = PreferencesUtils.TRACK_COLOR_MODE_PERCENTAGE_DEFAULT;
        }
        PreferencesUtils.setInt(
            MapSettingsActivity.this, R.string.track_color_mode_percentage_key, value);
        updatePercentageSummary();
        return true;
      }
    });
    percentageEditTextPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        int value = PreferencesUtils.getInt(
            MapSettingsActivity.this, R.string.track_color_mode_percentage_key,
            PreferencesUtils.TRACK_COLOR_MODE_PERCENTAGE_DEFAULT);
        ((EditTextPreference) preference).getEditText().setText(String.valueOf(value));
        return true;
      }
    });
  }
  /**
   * Configures the IME action done.
   * 
   * @param editTextPreference the edit text preference
   */
  private void configureImeActionDone(final EditTextPreference editTextPreference) {
    editTextPreference.getEditText()
        .setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
          public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
            if (actionId == EditorInfo.IME_ACTION_DONE) {
              Dialog dialog = editTextPreference.getDialog();
              editTextPreference.onClick(dialog, Dialog.BUTTON_POSITIVE);
              dialog.dismiss();
              return true;
            }
            return false;
          }
        });
  }
  @Override
  protected void onResume() {
    super.onResume();
    updateSpeedSummary(R.string.track_color_mode_slow_key);
    updateSpeedSummary(R.string.track_color_mode_medium_key);
  }
  /**
   * Updates the UI by the track color mode.
   * 
   * @param trackColorMode the track color mode
   */
  private void updateUiByTrackColorMode(String trackColorMode) {
    boolean isFixedValue = trackColorMode.equals(
        getString(R.string.settings_map_track_color_mode_fixed_value));
    boolean isDynamicValue = trackColorMode.equals(
        getString(R.string.settings_map_track_color_mode_dynamic_value));
    slowEditTextPreference.setEnabled(isFixedValue);
    mediumEditTextPreference.setEnabled(isFixedValue);
    percentageEditTextPreference.setEnabled(isDynamicValue);
  }
  /**
   * Stores the speed value, always in metric units.
   * 
   * @param keyId the key id
   * @param displayValue the display value
   */
  private void storeSpeedValue(int keyId, String displayValue) {
    int maxValue;
    int minValue;
    int defaultValue;
    if (keyId == R.string.track_color_mode_slow_key) {
      minValue = 0;
      maxValue = PreferencesUtils.getInt(this, R.string.track_color_mode_medium_key,
          PreferencesUtils.TRACK_COLOR_MODE_MEDIUM_DEFAULT);
      defaultValue = PreferencesUtils.TRACK_COLOR_MODE_SLOW_DEFAULT;
    } else {
      minValue = PreferencesUtils.getInt(
          this, R.string.track_color_mode_slow_key, PreferencesUtils.TRACK_COLOR_MODE_SLOW_DEFAULT);
      maxValue = Integer.MAX_VALUE;
      defaultValue = PreferencesUtils.TRACK_COLOR_MODE_MEDIUM_DEFAULT;
    }
    int value;
    try {
      value = Integer.parseInt(displayValue);
      if (!PreferencesUtils.getBoolean(
          this, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT)) {
        value = (int) (value * UnitConversions.MI_TO_KM);
      }
    } catch (NumberFormatException e) {
      Log.e(TAG, "invalid value " + displayValue);
      value = defaultValue;
    }
    if (value > maxValue) {
      value = maxValue;
    }
    if (value < minValue) {
      value = minValue;
    }
    PreferencesUtils.setInt(this, keyId, value);
  }
  /**
   * Gets the speed display value, in metric or imperial depending on the preferred
   * units.
   * 
   * @param keyId the key id
   */
  private int getSpeedDisplayValue(int keyId) {
    int defaultValue = keyId == R.string.track_color_mode_slow_key ? PreferencesUtils.TRACK_COLOR_MODE_SLOW_DEFAULT
        : PreferencesUtils.TRACK_COLOR_MODE_MEDIUM_DEFAULT;
    int value = PreferencesUtils.getInt(this, keyId, defaultValue);
    if (!PreferencesUtils.getBoolean(
        this, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT)) {
      value = (int) (value * UnitConversions.KM_TO_MI);
    }
    return value;
  }
  /**
   * Updates the speed summary.
   * 
   * @param keyId the key id
   */
  private void updateSpeedSummary(int keyId) {
    EditTextPreference editTextPreference = keyId == R.string.track_color_mode_slow_key ? slowEditTextPreference
        : mediumEditTextPreference;
    boolean metric = PreferencesUtils.getBoolean(
        this, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
    int displayValue = getSpeedDisplayValue(keyId);
    editTextPreference.setSummary(getString(metric ? R.string.value_integer_kilometer_hour
        : R.string.value_integer_mile_hour, displayValue));
  }
  /**
   * Updates the percentage summary.
   */
  private void updatePercentageSummary() {
    int value = PreferencesUtils.getInt(
        MapSettingsActivity.this, R.string.track_color_mode_percentage_key,
        PreferencesUtils.TRACK_COLOR_MODE_PERCENTAGE_DEFAULT);
    percentageEditTextPreference.setSummary(getString(R.string.settings_map_percentage_summary) + "\n"
        + getString(R.string.value_integer_percent, value));
  }
 }
@@ -0,0 +1,243 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.settings;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
 import com.google.android.maps.mytracks.R;
 import android.os.Bundle;
 import android.preference.ListPreference;
 /**
 * An activity for accessing recording settings.
 * 
 * @author Jimmy Shih
 */
 public class RecordingSettingsActivity extends AbstractSettingsActivity {
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    addPreferencesFromResource(R.xml.recording_settings);
    boolean metricUnits = PreferencesUtils.getBoolean(
        this, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
    ListPreference announcementFrequencyListPreference = (ListPreference) findPreference(
        getString(R.string.announcement_frequency_key));
    announcementFrequencyListPreference.setEntries(getPeriodicTaskDisplayOptions(metricUnits));
    ListPreference splitFrequencyListPreference = (ListPreference) findPreference(
        getString(R.string.split_frequency_key));
    splitFrequencyListPreference.setEntries(getPeriodicTaskDisplayOptions(metricUnits));
    ListPreference minRecordingIntervalListPreference = (ListPreference) findPreference(
        getString(R.string.min_recording_interval_key));
    minRecordingIntervalListPreference.setEntries(getMinRecordingIntervalDisplayOptions());
    ListPreference minRecordingDistanceListPreference = (ListPreference) findPreference(
        getString(R.string.min_recording_distance_key));
    minRecordingDistanceListPreference.setEntries(
        getMinRecordingDistanceDisplayOptions(metricUnits));
    ListPreference maxRecordingDistanceListPreference = (ListPreference) findPreference(
        getString(R.string.max_recording_distance_key));
    maxRecordingDistanceListPreference.setEntries(
        getMaxRecordingDistanceDisplayOptions(metricUnits));
    ListPreference minRequiredAccuracyListPreference = (ListPreference) findPreference(
        getString(R.string.min_required_accuracy_key));
    minRequiredAccuracyListPreference.setEntries(getMinRequiredAccuracyDisplayOptions(metricUnits));
    ListPreference autoResumeTrackTimeoutListPreference = (ListPreference) findPreference(
        getString(R.string.auto_resume_track_timeout_key));
    autoResumeTrackTimeoutListPreference.setEntries(getAutoResumeTrackTimeoutDisplayOptions());
  }
  /**
   * Gets the periodic task display options.
   * 
   * @param metricUnits true to display metric units
   */
  private String[] getPeriodicTaskDisplayOptions(boolean metricUnits) {
    String[] values = getResources().getStringArray(R.array.periodic_task_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      int value = Integer.parseInt(values[i]);
      if (value == PreferencesUtils.PERIODIC_TASK_OFF) {
        options[i] = getString(R.string.value_off);
      } else if (value < 0) {
        options[i] = getString(metricUnits ? R.string.value_integer_kilometer
            : R.string.value_integer_mile, Math.abs(value));
      } else {
        options[i] = getString(R.string.value_integer_minute, value);
      }
    }
    return options;
  }
  /**
   * Gets the min recording interval display options.
   */
  private String[] getMinRecordingIntervalDisplayOptions() {
    String[] values = getResources().getStringArray(R.array.min_recording_interval_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      int value = Integer.parseInt(values[i]);
      switch (value) {
        case PreferencesUtils.MIN_RECORDING_INTERVAL_ADAPT_BATTERY_LIFE:
          options[i] = getString(R.string.value_adapt_battery_life);
          break;
        case PreferencesUtils.MIN_RECORDING_INTERVAL_ADAPT_ACCURACY:
          options[i] = getString(R.string.value_adapt_accuracy);
          break;
        case PreferencesUtils.MIN_RECORDING_INTERVAL_DEFAULT:
          options[i] = getString(R.string.value_smallest_recommended);
          break;
        default:
          options[i] = value < 60 ? getString(R.string.value_integer_second, value)
              : getString(R.string.value_integer_minute, value / 60);
      }
    }
    return options;
  }
  /**
   * Gets the min recording distance display options.
   * 
   * @param metricUnits true to display metric units
   */
  private String[] getMinRecordingDistanceDisplayOptions(boolean metricUnits) {
    String[] values = getResources().getStringArray(R.array.min_recording_distance_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      int value = Integer.parseInt(values[i]);
      if (metricUnits) {
        options[i] = getString(value == PreferencesUtils.MIN_RECORDING_DISTANCE_DEFAULT
            ? R.string.value_integer_meter_recommended
            : R.string.value_integer_meter, value);
      } else {
        int feet = (int) (value * UnitConversions.M_TO_FT);
        options[i] = getString(value == PreferencesUtils.MIN_RECORDING_DISTANCE_DEFAULT
            ? R.string.value_integer_feet_recommended
            : R.string.value_integer_feet, feet);
      }
    }
    return options;
  }
  /**
   * Gets the max recording distance display options.
   * 
   * @param metricUnits true to display metric units
   */
  private String[] getMaxRecordingDistanceDisplayOptions(boolean metricUnits) {
    String[] values = getResources().getStringArray(R.array.max_recording_distance_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      int value = Integer.parseInt(values[i]);
      if (metricUnits) {
        options[i] = getString(value == PreferencesUtils.MAX_RECORDING_DISTANCE_DEFAULT
            ? R.string.value_integer_meter_recommended
            : R.string.value_integer_meter, value);
      } else {
        int feet = (int) (value * UnitConversions.M_TO_FT);
        if (feet < 2000) {
          options[i] = getString(value == PreferencesUtils.MAX_RECORDING_DISTANCE_DEFAULT
              ? R.string.value_integer_feet_recommended
              : R.string.value_integer_feet, feet);
        } else {
          double mile = feet * UnitConversions.FT_TO_MI;
          options[i] = getString(R.string.value_float_mile, mile);
        }
      }
    }
    return options;
  }
  /**
   * Gets the min required accuracy display options.
   * 
   * @param metricUnits true to display metric units
   */
  private String[] getMinRequiredAccuracyDisplayOptions(boolean metricUnits) {
    String[] values = getResources().getStringArray(R.array.min_required_accuracy_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      int value = Integer.parseInt(values[i]);
      if (metricUnits) {
        switch (value) {
          case PreferencesUtils.MIN_REQUIRED_ACCURACY_DEFAULT:
            options[i] = getString(R.string.value_integer_meter_recommended, value);
            break;
          case PreferencesUtils.MIN_REQUIRED_ACCURACY_EXCELLENT:
            options[i] = getString(R.string.value_integer_meter_excellent_gps, value);
            break;
          case PreferencesUtils.MIN_REQUIRED_ACCURACY_POOR:
            options[i] = getString(R.string.value_integer_meter_poor_gps, value);
            break;
          default:
            options[i] = getString(R.string.value_integer_meter, value);
        }
      } else {
        int feet = (int) (value * UnitConversions.M_TO_FT);
        if (feet < 2000) {
          switch (value) {
            case PreferencesUtils.MIN_REQUIRED_ACCURACY_DEFAULT:
              options[i] = getString(R.string.value_integer_feet_recommended, feet);
              break;
            case PreferencesUtils.MIN_REQUIRED_ACCURACY_EXCELLENT:
              options[i] = getString(R.string.value_integer_feet_excellent_gps, feet);
              break;
            default:
              options[i] = getString(R.string.value_integer_feet, feet);
          }
        } else {
          double mile = feet * UnitConversions.FT_TO_MI;
          options[i] = getString(value == PreferencesUtils.MIN_REQUIRED_ACCURACY_POOR
              ? R.string.value_float_mile_poor_gps
              : R.string.value_float_mile, mile);
        }
      }
    }
    return options;
  }
  /**
   * Gets the auto resume track timeout display options.
   */
  private String[] getAutoResumeTrackTimeoutDisplayOptions() {
    String[] values = getResources().getStringArray(R.array.auto_resume_track_timeout_values);
    String[] options = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      int value = Integer.parseInt(values[i]);
      switch (value) {
        case PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_NEVER:
          options[i] = getString(R.string.value_never);
          break;
        case PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_ALWAYS:
          options[i] = getString(R.string.value_always);
          break;
        default:
          options[i] = getString(R.string.value_integer_minute, value);
      }
    }
    return options;
  }
 }
@@ -0,0 +1,141 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.settings;
 import com.google.android.apps.mytracks.services.sensors.ant.AntUtils;
 import com.google.android.apps.mytracks.util.BluetoothDeviceUtils;
 import com.google.android.maps.mytracks.R;
 import android.bluetooth.BluetoothAdapter;
 import android.content.Intent;
 import android.os.Bundle;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceScreen;
 import android.provider.Settings;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 /**
 * An activity for accessing sensor settings.
 * 
 * @author Jimmy Shih
 */
 public class SensorSettingsActivity extends AbstractSettingsActivity {
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    addPreferencesFromResource(R.xml.sensor_settings);
    ListPreference sensorTypeListPreference = (ListPreference) findPreference(
        getString(R.string.sensor_type_key));
    List<String> sensorTypeEntries = Arrays.asList(getResources().getStringArray(
        AntUtils.hasAntSupport(this) ? R.array.sensor_type_all_options
            : R.array.sensor_type_bluetooth_options));
    List<String> sensorTypeEntryValues = Arrays.asList(getResources().getStringArray(
        AntUtils.hasAntSupport(this) ? R.array.sensor_type_all_values
            : R.array.sensor_type_bluetooth_values));
    sensorTypeListPreference.setEntries(sensorTypeEntries.toArray(
        new CharSequence[sensorTypeEntries.size()]));
    sensorTypeListPreference.setEntryValues(
        sensorTypeEntryValues.toArray(new CharSequence[sensorTypeEntryValues.size()]));
    sensorTypeListPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
        @Override
      public boolean onPreferenceChange(Preference preference, Object newValue) {
        updateUiBySensorType((String) newValue);
        return true;
      }
    });
    updateUiBySensorType(sensorTypeListPreference.getValue());
    findPreference(getString(R.string.settings_sensor_bluetooth_pairing_key))
        .setOnPreferenceClickListener(new OnPreferenceClickListener() {
          public boolean onPreferenceClick(Preference preference) {
            Intent settingsIntent = new Intent(Settings.ACTION_BLUETOOTH_SETTINGS);
            startActivity(settingsIntent);
            return true;
          }
        });
    if (!AntUtils.hasAntSupport(this)) {
      PreferenceScreen rootPreferenceScreen = (PreferenceScreen) findPreference(
          getString(R.string.settings_sensor_root_key));
      rootPreferenceScreen.removePreference(
          findPreference(getString(R.string.settings_sensor_ant_key)));
    }
  }
  /**
   * Updates the UI based on the sensor type.
   * 
   * @param sensorType the sensor type
   */
  @SuppressWarnings("deprecation")
  private void updateUiBySensorType(String sensorType) {
    boolean isBluetooth = getString(R.string.sensor_type_value_polar).equals(sensorType)
        || getString(R.string.sensor_type_value_zephyr).equals(sensorType);
    findPreference(getString(R.string.settings_sensor_bluetooth_key)).setEnabled(isBluetooth);
    Preference antHeartRateSensorId = findPreference(
        getString(R.string.ant_heart_rate_sensor_id_key));
    if (antHeartRateSensorId != null) {
      antHeartRateSensorId.setEnabled(getString(R.string.sensor_type_value_ant).equals(sensorType));
    }
    Preference antSrmBridgetSensorId = findPreference(
        getString(R.string.ant_srm_bridge_sensor_id_key));
    if (antSrmBridgetSensorId != null) {
      antSrmBridgetSensorId.setEnabled(
          getString(R.string.sensor_type_value_srm_ant_bridge).equals(sensorType));
    }
  }
  @Override
  protected void onResume() {
    super.onResume();
    updateBluetoothSensorListPreference();
  }
  /**
   * Updates the bluetooth sensor list preference.
   */
  private void updateBluetoothSensorListPreference() {
    @SuppressWarnings("deprecation")
    ListPreference bluetoothSensorListPreference = (ListPreference) findPreference(
        getString(R.string.bluetooth_sensor_key));
    List<String> entries = new ArrayList<String>();
    List<String> entryValues = new ArrayList<String>();
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (bluetoothAdapter != null) {
      BluetoothDeviceUtils.populateDeviceLists(bluetoothAdapter, entries, entryValues);
    }
    bluetoothSensorListPreference.setEntries(entries.toArray(new CharSequence[entries.size()]));
    bluetoothSensorListPreference.setEntryValues(entryValues.toArray(
        new CharSequence[entryValues.size()]));
    if (entries.size() == 1) {
      bluetoothSensorListPreference.setValueIndex(0);
    }
  }
 }
@@ -0,0 +1,189 @@
 /*
 * Copyright 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.settings;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.util.DialogUtils;
 import com.google.android.apps.mytracks.util.IntentUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.util.Log;
 import android.widget.Toast;
 /**
 * An activity for accessing settings.
 * 
 * @author Leif Hendrik Wilden
 * @author Rodrigo Damazio
 */
 public class SettingsActivity extends AbstractSettingsActivity {
  private static final String TAG = SettingsActivity.class.getSimpleName();
  private static final int DIALOG_CONFIRM_RESET_ID = 0;
  private Preference resetPreference;
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    addPreferencesFromResource(R.xml.settings);
    Preference mapPreference = findPreference(getString(R.string.settings_map_key));
    mapPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = IntentUtils.newIntent(SettingsActivity.this, MapSettingsActivity.class);
        startActivity(intent);
        return true;
      }
    });
    Preference chartPreference = findPreference(getString(R.string.settings_chart_key));
    chartPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = IntentUtils.newIntent(SettingsActivity.this, ChartSettingsActivity.class);
        startActivity(intent);
        return true;
      }
    });
    Preference statsPreference = findPreference(getString(R.string.settings_stats_key));
    statsPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = IntentUtils.newIntent(SettingsActivity.this, StatsSettingsActivity.class);
        startActivity(intent);
        return true;
      }
    });
    Preference recordingPreference = findPreference(getString(R.string.settings_recording_key));
    recordingPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = IntentUtils.newIntent(
            SettingsActivity.this, RecordingSettingsActivity.class);
        startActivity(intent);
        return true;
      }
    });
    Preference sharingPreference = findPreference(getString(R.string.settings_sharing_key));
    sharingPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = IntentUtils.newIntent(SettingsActivity.this, SharingSettingsActivity.class);
        startActivity(intent);
        return true;
      }
    });
    Preference sensorPreference = findPreference(getString(R.string.settings_sensor_key));
    sensorPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = IntentUtils.newIntent(SettingsActivity.this, SensorSettingsActivity.class);
        startActivity(intent);
        return true;
      }
    });
    Preference backupPreference = findPreference(getString(R.string.settings_backup_key));
    backupPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = IntentUtils.newIntent(SettingsActivity.this, BackupSettingsActivity.class);
        startActivity(intent);
        return true;
      }
    });
    resetPreference = findPreference(getString(R.string.settings_reset_key));
    resetPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
        @Override
      public boolean onPreferenceClick(Preference arg0) {
        showDialog(DIALOG_CONFIRM_RESET_ID);
        return true;
      }
    });
  }
  @Override
  protected void onResume() {
    super.onResume();
    boolean isRecording = PreferencesUtils.getLong(this, R.string.recording_track_id_key)
        != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
    resetPreference.setEnabled(!isRecording);
    resetPreference.setSummary(isRecording ? R.string.settings_not_while_recording
        : R.string.settings_reset_summary);
  }
  @Override
  protected Dialog onCreateDialog(int id) {
    if (id != DIALOG_CONFIRM_RESET_ID) {
      return null;
    }
    return DialogUtils.createConfirmationDialog(
        this, R.string.settings_reset_confirm_message, new DialogInterface.OnClickListener() {
            @Override
          public void onClick(DialogInterface dialog, int button) {
            onResetPreferencesConfirmed();
          }
        });
  }
  /**
   * Callback when the user confirms resetting all settings.
   */
  private void onResetPreferencesConfirmed() {
    // Change preferences in a separate thread
    new Thread() {
        @Override
      public void run() {
        Log.i(TAG, "Resetting all settings");
        SharedPreferences sharedPreferences = getSharedPreferences(
            Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
        // Actually wipe preferences and save synchronously
        sharedPreferences.edit().clear().commit();
        // Give UI feedback in the UI thread
        runOnUiThread(new Runnable() {
            @Override
          public void run() {
            Toast.makeText(SettingsActivity.this, R.string.settings_reset_done, Toast.LENGTH_SHORT)
                .show();
            // Restart the settings activity so all changes are loaded
            Intent intent = getIntent()
                .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
            startActivity(intent);
          }
        });
      }
    }.start();
  }
 }
@@ -0,0 +1,75 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.settings;
 import com.google.android.apps.mytracks.util.DialogUtils;
 import com.google.android.maps.mytracks.R;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
 /**
 * An activity for accessing the sharing settings.
 * 
 * @author Jimmy Shih
 */
 public class SharingSettingsActivity extends AbstractSettingsActivity {
  private static final int DIALOG_CONFIRM_ALLOW_ACCESS_ID = 0;
  private CheckBoxPreference allowAccessCheckBoxPreference;
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    addPreferencesFromResource(R.xml.sharing_settings);
    allowAccessCheckBoxPreference = (CheckBoxPreference) findPreference(
        getString(R.string.allow_access_key));
    allowAccessCheckBoxPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
        @Override
      public boolean onPreferenceChange(Preference preference, Object newValue) {
        if ((Boolean) newValue) {
          showDialog(DIALOG_CONFIRM_ALLOW_ACCESS_ID);
          return false;
        } else {
          return true;
        }
      }
    });
  }
  @Override
  protected Dialog onCreateDialog(int id) {
    if (id != DIALOG_CONFIRM_ALLOW_ACCESS_ID) {
      return null;
    }
    return DialogUtils.createConfirmationDialog(this,
        R.string.settings_sharing_allow_access_confirm_message,
        new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int button) {
            allowAccessCheckBoxPreference.setChecked(true);
          }
        });
  }
 }
@@ -0,0 +1,81 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.settings;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 /**
 * An activity for accessing stats settings.
 * 
 * @author Jimmy Shih
 */
 public class StatsSettingsActivity extends AbstractSettingsActivity {
  /*
   * Note that sharedPreferenceChangeListenr cannot be an anonymous inner class.
   * Anonymous inner class will get garbage collected.
   */
  private final OnSharedPreferenceChangeListener
      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
          @Override
        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
          // Note that key can be null
          if (PreferencesUtils.getKey(StatsSettingsActivity.this, R.string.metric_units_key)
              .equals(key)) {
            updateUi();
          }
        }
      };
  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    addPreferencesFromResource(R.xml.stats_settings);
    getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE)
        .registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
  }
  @Override
  protected void onResume() {
    super.onResume();
    updateUi();
  }
  @SuppressWarnings("deprecation")
  private void updateUi() {
    CheckBoxPreference reportSpeedCheckBoxPreference = (CheckBoxPreference) findPreference(
        getString(R.string.report_speed_key));
    boolean metric = PreferencesUtils.getBoolean(
        this, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
    reportSpeedCheckBoxPreference.setSummaryOn(
        metric ? getString(R.string.settings_stats_rate_speed_metric)
            : getString(R.string.settings_stats_rate_speed_imperial));
    reportSpeedCheckBoxPreference.setSummaryOff(
        metric ? getString(R.string.settings_stats_rate_pace_metric)
            : getString(R.string.settings_stats_rate_pace_imperial));
  }
 }
@@ -19,6 +19,7 @@ package com.google.android.apps.mytracks.stats;
 import static com.google.android.apps.mytracks.Constants.TAG;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import android.location.Location;
 import android.util.Log;
@@ -91,8 +92,7 @@ public class TripStatisticsBuilder {
   */
  private long totalLocations = 0;
-  private int minRecordingDistance =
+  private int minRecordingDistance = PreferencesUtils.MIN_RECORDING_DISTANCE_DEFAULT;
      Constants.DEFAULT_MIN_RECORDING_DISTANCE;
  /**
   * Creates a new trip starting at the given time.
@@ -37,7 +37,7 @@ import java.util.List;
 /**
 * API level 11 specific implementation of the {@link ApiAdapter}.
- *
+ * 
 * @author Jimmy Shih
 */
@TargetApi(11)
@@ -54,12 +54,11 @@ public class Api11Adapter extends Api10Adapter {
  }
  @Override
-  public void configureListViewContextualMenu(final Activity activity, ListView listView, final int menuId,
+  public void configureListViewContextualMenu(final Activity activity, ListView listView,
-      final int actionModeTitleId,
+      final int menuId, final int actionModeTitleId,
      final ContextualActionModeCallback contextualActionModeCallback) {
    listView.setOnItemLongClickListener(new OnItemLongClickListener() {
      ActionMode actionMode;
      @Override
      public boolean onItemLongClick(
          AdapterView<?> parent, View view, final int position, final long id) {
@@ -72,18 +71,15 @@ public class Api11Adapter extends Api10Adapter {
            mode.getMenuInflater().inflate(menuId, menu);
            return true;
          }
          @Override
          public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
            // Return false to indicate no change.
            return false;
          }
          @Override
          public void onDestroyActionMode(ActionMode mode) {
            actionMode = null;
          }
          @Override
          public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
            mode.finish();
@@ -99,37 +95,13 @@ public class Api11Adapter extends Api10Adapter {
      }
    });
  };
-  
+
  @Override
  public void configureSearchWidget(Activity activity, final MenuItem menuItem) {
    SearchManager searchManager = (SearchManager) activity.getSystemService(Context.SEARCH_SERVICE);
    SearchView searchView = (SearchView) menuItem.getActionView();
    searchView.setSearchableInfo(searchManager.getSearchableInfo(activity.getComponentName()));
    searchView.setQueryRefinementEnabled(true);
    searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {      
      @Override
      public boolean onQueryTextSubmit(String query) {
        menuItem.collapseActionView();
        return false;
      }
      @Override
      public boolean onQueryTextChange(String newText) {
        return false;
      }
    });
    searchView.setOnSuggestionListener(new SearchView.OnSuggestionListener() {      
      @Override
      public boolean onSuggestionSelect(int position) {
        return false;
      }
      @Override
      public boolean onSuggestionClick(int position) {
        menuItem.collapseActionView();
        return false;
      }
    });
  }
  @Override
@@ -20,10 +20,11 @@ import android.annotation.TargetApi;
 import android.app.ActionBar;
 import android.app.Activity;
 import android.view.MenuItem;
 import android.widget.SearchView;
 /**
 * API level 14 specific implementation of the {@link ApiAdapter}.
- *
+ * 
 * @author Jimmy Shih
 */
@TargetApi(14)
@@ -35,7 +36,35 @@ public class Api14Adapter extends Api11Adapter {
    actionBar.setHomeButtonEnabled(true);
    actionBar.setDisplayHomeAsUpEnabled(true);
  }
-  
+
  @Override
  public void configureSearchWidget(Activity activity, final MenuItem menuItem) {
    super.configureSearchWidget(activity, menuItem);
    SearchView searchView = (SearchView) menuItem.getActionView();
    searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
      @Override
      public boolean onQueryTextSubmit(String query) {
        menuItem.collapseActionView();
        return false;
      }
      @Override
      public boolean onQueryTextChange(String newText) {
        return false;
      }
    });
    searchView.setOnSuggestionListener(new SearchView.OnSuggestionListener() {
        @Override
      public boolean onSuggestionSelect(int position) {
        return false;
      }
      @Override
      public boolean onSuggestionClick(int position) {
        menuItem.collapseActionView();
        return false;
      }
    });
  }
  @Override
  public boolean handleSearchKey(MenuItem menuItem) {
    menuItem.expandActionView();
@@ -24,17 +24,17 @@ import java.util.Set;
 /**
 * Utilities for dealing with bluetooth devices.
- *
+ * 
 * @author Rodrigo Damazio
 */
 public class BluetoothDeviceUtils {
  private BluetoothDeviceUtils() {}
-  
+
  /**
   * Populates the device names and the device addresses with all the suitable
   * bluetooth devices.
-   *
+   * 
   * @param bluetoothAdapter the bluetooth adapter
   * @param deviceNames list of device names
   * @param deviceAddresses list of device addresses
@@ -47,7 +47,8 @@ public class ChartURLGenerator {
   */
  public static String getChartUrl(
      Vector<Double> distances, Vector<Double> elevations, Track track, Context context) {
-    boolean metricUnits = PreferencesUtils.isMetricUnits(context);
+    boolean metricUnits = PreferencesUtils.getBoolean(
        context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
    return getChartUrl(
        distances, elevations, track, context.getString(R.string.stats_elevation), metricUnits);
  }
@@ -17,7 +17,6 @@
 package com.google.android.apps.mytracks.util;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
@@ -30,163 +29,74 @@ import android.content.SharedPreferences.Editor;
 */
 public class PreferencesUtils {
  /*
   * Preferences values. The defaults need to match the defaults in the xml
   * files.
   */
  public static final boolean ALLOW_ACCESS_DEFAULT = false;
  public static final int ANNOUNCEMENT_FREQUENCY_DEFAULT = 0;
  public static final int AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT = 0;
  public static final int AUTO_RESUME_TRACK_TIMEOUT_ALWAYS = -1;
  public static final int AUTO_RESUME_TRACK_TIMEOUT_DEFAULT = 10;
  public static final int AUTO_RESUME_TRACK_TIMEOUT_NEVER = 0;
  public static final String BLUETOOTH_SENSOR_DEFAULT = "";
  public static final boolean CHART_BY_DISTANCE_DEFAULT = true;
  public static final boolean CHART_SHOW_CADENCE_DEFAULT = true;
  public static final boolean CHART_SHOW_ELEVATION_DEFAULT = true;
  public static final boolean CHART_SHOW_HEART_RATE_DEFAULT = true;
  public static final boolean CHART_SHOW_POWER_DEFAULT = true;
  public static final boolean CHART_SHOW_SPEED_DEFAULT = true;
  public static final String DEFAULT_ACTIVITY_DEFAULT = "";
  public static final boolean DEFAULT_MAP_PUBLIC_DEFAULT = true;
  public static final int MAX_RECORDING_DISTANCE_DEFAULT = 200;
  public static final boolean METRIC_UNITS_DEFAULT = true;
  public static final int MIN_RECORDING_DISTANCE_DEFAULT = 5;
  public static final int MIN_RECORDING_INTERVAL_ADAPT_ACCURACY = -1;
  public static final int MIN_RECORDING_INTERVAL_ADAPT_BATTERY_LIFE = -2;
  public static final int MIN_RECORDING_INTERVAL_DEFAULT = 0;
  public static final int MIN_REQUIRED_ACCURACY_DEFAULT = 200;
  public static final int MIN_REQUIRED_ACCURACY_EXCELLENT = 10;
  public static final int MIN_REQUIRED_ACCURACY_POOR = 5000;
  public static final int PERIODIC_TASK_OFF = 0;
  public static final boolean PICK_EXISTING_MAP_DEFAULT = false;
  public static final boolean PICK_STATISTICS_MARKER_DEFAULT = true;
  public static final String PREFERRED_ACCOUNT_DEFAULT = "";
  public static final long RECORDING_TRACK_ID_DEFAULT = -1L;
  public static final boolean REPORT_SPEED_DEFAULT = true;
  public static final long SELECTED_TRACK_ID_DEFAULT = -1L;
  public static final boolean SEND_TO_DOCS_DEFAULT = true;
  public static final boolean SEND_TO_FUSION_TABLES_DEFAULT = true;
  public static final boolean SEND_TO_MAPS_DEFAULT = true;
  public static final boolean SHARE_URL_ONLY_DEFAULT = false;
  public static final boolean SHOW_CHECK_UNITS_DIALOG_DEFAULT = true;
  public static final boolean SHOW_WELCOME_DIALOG_DEFAULT = true;
  public static final int SPLIT_FREQUENCY_DEFAULT = 0;
  public static final boolean STATS_SHOW_COORDINATE_DEFAULT = false;
  public static final boolean STATS_SHOW_ELEVATION_DEFAULT = false;
  public static final boolean STATS_SHOW_GRADE_DEFAULT = false;
  public static final boolean STATS_USE_TOTAL_TIME_DEFAULT = true;
  public static final int TRACK_COLOR_MODE_MEDIUM_DEFAULT = 15;
  public static final int TRACK_COLOR_MODE_PERCENTAGE_DEFAULT = 25;
  public static final int TRACK_COLOR_MODE_SLOW_DEFAULT = 9;
  private PreferencesUtils() {}
  /**
   * Gets the metric units key.
   *
   * @param context the context
   */
  public static String getMetricUnitsKey(Context context) {
    return getKey(context, R.string.metric_units_key);
  }
  /**
   * Returns the metric units value.
   *
   * @param context the context
   */
  public static boolean isMetricUnits(Context context) {
    return getBoolean(context, R.string.metric_units_key, true);
  }
  /**
   * Sets the metric units value.
   *
   * @param context the context
   * @param value the value
   */
  public static void setMetricUnits(Context context, boolean value) {
    setBoolean(context, R.string.metric_units_key, value);
  }
  /**
   * Gets the recording track id key.
   * 
   * @param context the context
   */
  public static String getRecordingTrackIdKey(Context context) {
    return getKey(context, R.string.recording_track_id_key);
  }
  /**
   * Gets the recording track id.
   * 
   * @param context the context
   */
  public static long getRecordingTrackId(Context context) {
    return getLong(context, R.string.recording_track_id_key);
  }
  /**
   * Sets the recording track id.
   * 
   * @param context the context
   * @param trackId the track id
   */
  public static void setRecordingTrackId(Context context, long trackId) {
    setLong(context, R.string.recording_track_id_key, trackId);
  }
  /**
   * Gets the report speed key.
   *
   * @param context the context
   */
  public static String getReportSpeedKey(Context context) {
    return getKey(context, R.string.report_speed_key);
  }
  /**
   * Returns the report speed value.
   *
   * @param context the context
   */
  public static boolean isReportSpeed(Context context) {
    return getBoolean(context, R.string.report_speed_key, true);
  }
  /**
   * Sets the report speed value.
   *
   * @param context the context
   * @param value the value
   */
  public static void setReportSpeed(Context context, boolean value) {
    setBoolean(context, R.string.report_speed_key, value);
  }
  /**
   * Gets the selected track id key.
   * 
   * @param context the context
   */
  public static String getSelectedTrackIdKey(Context context) {
    return getKey(context, R.string.selected_track_id_key);
  }
  /**
   * Gets the selected track id.
   * 
   * @param context the context
   */
  public static long getSelectedTrackId(Context context) {
    return getLong(context, R.string.selected_track_id_key);
  }
  /**
   * Sets the selected track id.
   * 
   * @param context the context
   * @param trackId the track id
   */
  public static void setSelectedTrackId(Context context, long trackId) {
    setLong(context, R.string.selected_track_id_key, trackId);
  }
  /**
   * Returns the show check units dialog value.
   *
   * @param context the context
   */
  public static boolean isShowCheckUnitsDialog(Context context) {
    return getBoolean(context, R.string.show_check_units_dialog_key, true);
  }
  /**
   * Sets the show check units dialog value to false.
   *
   * @param context the context
   */
  public static void setShowCheckUnitsDialog(Context context) {
    setBoolean(context, R.string.show_check_units_dialog_key, false);
  }
  /**
   * Returns the show welcomes dialog value.
   *
   * @param context the context
   */
  public static boolean isShowWelcomeDialog(Context context) {
    return getBoolean(context, R.string.show_welcome_dialog_key, true);
  }
  /**
   * Sets the show welcome dialog value to false.
   *
   * @param context the context
   */
  public static void setShowWelcome(Context context) {
    setBoolean(context, R.string.show_welcome_dialog_key, false);
  }
  /**
   * Gets a preference key
   * 
   * @param context the context
   * @param keyId the key id
   */
-  private static String getKey(Context context, int keyId) {
+  public static String getKey(Context context, int keyId) {
    return context.getString(keyId);
  }
@@ -202,7 +112,7 @@ public class PreferencesUtils {
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    return sharedPreferences.getBoolean(getKey(context, keyId), defaultValue);
  }
-  
+
  /**
   * Sets a boolean preference value.
   * 
@@ -217,14 +127,42 @@ public class PreferencesUtils {
    editor.putBoolean(getKey(context, keyId), value);
    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
  }
-  
+
  /**
   * Gets an integer preference value.
   * 
   * @param context the context
   * @param keyId the key id
   * @param defaultValue the default value
   */
  public static int getInt(Context context, int keyId, int defaultValue) {
    SharedPreferences sharedPreferences = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    return sharedPreferences.getInt(getKey(context, keyId), defaultValue);
  }
  /**
   * Sets an integer preference value.
   * 
   * @param context the context
   * @param keyId the key id
   * @param value the value
   */
  public static void setInt(Context context, int keyId, int value) {
    SharedPreferences sharedPreferences = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    Editor editor = sharedPreferences.edit();
    editor.putInt(getKey(context, keyId), value);
    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
  }
  /**
   * Gets a long preference value.
   * 
   * @param context the context
   * @param keyId the key id
   */
-  private static long getLong(Context context, int keyId) {
+  public static long getLong(Context context, int keyId) {
    SharedPreferences sharedPreferences = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    return sharedPreferences.getLong(getKey(context, keyId), -1L);
@@ -237,11 +175,39 @@ public class PreferencesUtils {
   * @param keyId the key id
   * @param value the value
   */
-  private static void setLong(Context context, int keyId, long value) {
+  public static void setLong(Context context, int keyId, long value) {
    SharedPreferences sharedPreferences = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    Editor editor = sharedPreferences.edit();
    editor.putLong(getKey(context, keyId), value);
    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
  }
  /**
   * Gets a string preference value.
   * 
   * @param context the context
   * @param keyId the key id
   * @param defaultValue default value
   */
  public static String getString(Context context, int keyId, String defaultValue) {
    SharedPreferences sharedPreferences = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    return sharedPreferences.getString(getKey(context, keyId), defaultValue);
  }
  /**
   * Sets a string preference value.
   * 
   * @param context the context
   * @param keyId the key id
   * @param value the value
   */
  public static void setString(Context context, int keyId, String value) {
    SharedPreferences sharedPreferences = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    Editor editor = sharedPreferences.edit();
    editor.putString(getKey(context, keyId), value);
    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
  }
 }
@@ -42,12 +42,14 @@ public class StatsUtils {
   *          elevation field
   */
  public static void setLocationValues(Activity activity, Location location, boolean showAll) {
-    boolean metricUnits = PreferencesUtils.getBoolean(activity, R.string.metric_units_key, true);
+    boolean metricUnits = PreferencesUtils.getBoolean(
-    boolean reportSpeed = PreferencesUtils.getBoolean(activity, R.string.report_speed_key, true);
+        activity, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
    boolean reportSpeed = PreferencesUtils.getBoolean(
        activity, R.string.report_speed_key, PreferencesUtils.REPORT_SPEED_DEFAULT);
    // Set elevation
    boolean showElevation = PreferencesUtils.getBoolean(
-        activity, R.string.stats_show_elevation_key, false);
+        activity, R.string.stats_show_elevation_key, PreferencesUtils.STATS_SHOW_ELEVATION_DEFAULT);
    if (showElevation) {
      double altitude = location == null ? Double.NaN : location.getAltitude();
      setElevationValue(activity, R.id.stats_elevation_value, altitude, metricUnits);
@@ -64,8 +66,8 @@ public class StatsUtils {
    setSpeedValue(activity, R.id.stats_speed_value, speed, metricUnits, reportSpeed);
    // Set coordinate
-    boolean showCoordinate = PreferencesUtils.getBoolean(
+    boolean showCoordinate = PreferencesUtils.getBoolean(activity,
-        activity, R.string.stats_show_coordinate_key, false);
+        R.string.stats_show_coordinate_key, PreferencesUtils.STATS_SHOW_COORDINATE_DEFAULT);
    View coordinateLabelTableRow = activity.findViewById(R.id.stats_coordinate_label_table_row);
    View coordinateValueTableRow = activity.findViewById(R.id.stats_coordinate_value_table_row);
    coordinateLabelTableRow.setVisibility(showCoordinate ? View.VISIBLE : View.GONE);
@@ -95,10 +97,12 @@ public class StatsUtils {
   * @param tripStatistics the trip statistics
   */
  public static void setTripStatisticsValues(Activity activity, TripStatistics tripStatistics) {
-    boolean metricUnits = PreferencesUtils.getBoolean(activity, R.string.metric_units_key, true);
+    boolean metricUnits = PreferencesUtils.getBoolean(
-    boolean reportSpeed = PreferencesUtils.getBoolean(activity, R.string.report_speed_key, true);
+        activity, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
-    boolean showTotalTime = PreferencesUtils.getBoolean(
+    boolean reportSpeed = PreferencesUtils.getBoolean(
-        activity, R.string.stats_show_total_time_key, true);
+        activity, R.string.report_speed_key, PreferencesUtils.REPORT_SPEED_DEFAULT);
    boolean useTotalTime = PreferencesUtils.getBoolean(
        activity, R.string.stats_use_total_time_key, PreferencesUtils.STATS_USE_TOTAL_TIME_DEFAULT);
    // Set total distance
    double totalDistance = tripStatistics == null ? Double.NaN : tripStatistics.getTotalDistance();
@@ -106,17 +110,17 @@ public class StatsUtils {
    // Set total time/moving time
    setTimeLabel(activity, R.id.stats_total_time_label, R.string.stats_total_time,
-        R.string.stats_moving_time, showTotalTime);
+        R.string.stats_moving_time, useTotalTime);
    long totalTime;
    if (tripStatistics == null) {
      totalTime = -1L;
    } else {
-      totalTime = showTotalTime ? tripStatistics.getTotalTime() : tripStatistics.getMovingTime(); 
+      totalTime = useTotalTime ? tripStatistics.getTotalTime() : tripStatistics.getMovingTime(); 
    }
    setTimeValue(activity, R.id.stats_total_time_value, totalTime);
    // Set average speed/moving average speed
-    if (showTotalTime) {
+    if (useTotalTime) {
      setSpeedLabel(activity, R.id.stats_average_speed_label, R.string.stats_average_speed,
          R.string.stats_average_pace, reportSpeed);
    } else {
@@ -127,7 +131,7 @@ public class StatsUtils {
    if (tripStatistics == null) {
      averageSpeed = Double.NaN;
    } else {
-      averageSpeed = showTotalTime ? tripStatistics.getAverageSpeed()
+      averageSpeed = useTotalTime ? tripStatistics.getAverageSpeed()
          : tripStatistics.getAverageMovingSpeed();
    }
    setSpeedValue(activity, R.id.stats_average_speed_value, averageSpeed, metricUnits, reportSpeed);
@@ -140,7 +144,7 @@ public class StatsUtils {
    // Set elevation
    boolean showElevation = PreferencesUtils.getBoolean(
-        activity, R.string.stats_show_elevation_key, false);
+        activity, R.string.stats_show_elevation_key, PreferencesUtils.STATS_SHOW_ELEVATION_DEFAULT);
    View elevationLabelTableRow1 = activity.findViewById(R.id.stats_elevation_label_table_row1);
    View elevationValueTableRow1 = activity.findViewById(R.id.stats_elevation_value_table_row1);
    View elevationLabelTableRow2 = activity.findViewById(R.id.stats_elevation_label_table_row2);
@@ -160,7 +164,8 @@ public class StatsUtils {
    }
    // Set grade
-    boolean showGrade = PreferencesUtils.getBoolean(activity, R.string.stats_show_grade_key, false);
+    boolean showGrade = PreferencesUtils.getBoolean(
        activity, R.string.stats_show_grade_key, PreferencesUtils.STATS_SHOW_GRADE_DEFAULT);
    View gradeLabelTableRow = activity.findViewById(R.id.stats_grade_label_table_row);
    View gradeValueTableRow = activity.findViewById(R.id.stats_grade_value_table_row);
    gradeLabelTableRow.setVisibility(showGrade ? View.VISIBLE : View.GONE);
@@ -86,7 +86,8 @@ public class TrackRecordingServiceConnectionUtils {
        Log.e(TAG, "Failed to check if service is recording", e);
      }
    }
-    return PreferencesUtils.getRecordingTrackId(context) != -1L;
+    return PreferencesUtils.getLong(context, R.string.recording_track_id_key)
        != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
  }
  /**
@@ -106,9 +107,9 @@ public class TrackRecordingServiceConnectionUtils {
         * Need to remember the recordingTrackId before calling endCurrentTrack.
         * endCurrentTrack sets the value to -1L.
         */
-        long recordingTrackId = PreferencesUtils.getRecordingTrackId(context);
+        long recordingTrackId = PreferencesUtils.getLong(context, R.string.recording_track_id_key);
        trackRecordingService.endCurrentTrack();
-        if (recordingTrackId != -1L) {
+        if (recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT) {
          Intent intent = IntentUtils.newIntent(context, TrackEditActivity.class)
              .putExtra(TrackEditActivity.EXTRA_TRACK_ID, recordingTrackId)
              .putExtra(TrackEditActivity.EXTRA_NEW_TRACK, true);
@@ -118,7 +119,8 @@ public class TrackRecordingServiceConnectionUtils {
        Log.e(TAG, "Unable to stop recording.", e);
      }
    } else {
-      PreferencesUtils.setRecordingTrackId(context, -1L);
+      PreferencesUtils.setLong(
          context, R.string.recording_track_id_key, PreferencesUtils.RECORDING_TRACK_ID_DEFAULT);
    }
    trackRecordingServiceConnection.stop();
  }
@@ -134,7 +136,8 @@ public class TrackRecordingServiceConnectionUtils {
      Context context, TrackRecordingServiceConnection trackRecordingServiceConnection) {
    trackRecordingServiceConnection.bindIfRunning();
    if (!isRecordingServiceRunning(context)) {
-      PreferencesUtils.setRecordingTrackId(context, -1L);
+      PreferencesUtils.setLong(
          context, R.string.recording_track_id_key, PreferencesUtils.RECORDING_TRACK_ID_DEFAULT);
    }
  }
@@ -81,7 +81,7 @@ public class TrackWidgetProvider
  public TrackWidgetProvider() {
    super();
    contentHandler = new Handler();
-    selectedTrackId = -1;
+    selectedTrackId = PreferencesUtils.SELECTED_TRACK_ID_DEFAULT;
  }
  private void initialize(Context aContext) {
@@ -134,7 +134,7 @@ public class TrackWidgetProvider
  private void updateTrack(String action) {
    Track track = null;
-    if (selectedTrackId != -1) {
+    if (selectedTrackId != PreferencesUtils.SELECTED_TRACK_ID_DEFAULT) {
      Log.d(TAG, "TrackWidgetProvider.updateTrack: Retrieving specified track.");
      track = providerUtils.getTrack(selectedTrackId);
    } else {
@@ -230,16 +230,17 @@ public class TrackWidgetProvider
  @Override
  public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
-    if (key == null || key.equals(PreferencesUtils.getMetricUnitsKey(context))) {
+    if (key == null || PreferencesUtils.getKey(context, R.string.metric_units_key).equals(key)) {
-      metricUnits = PreferencesUtils.isMetricUnits(context);
+      metricUnits = PreferencesUtils.getBoolean(
          context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
    }
-
+    if (key == null || PreferencesUtils.getKey(context, R.string.report_speed_key).equals(key)) {
-    if (key == null || key.equals(PreferencesUtils.getReportSpeedKey(context))) {
+      reportSpeed = PreferencesUtils.getBoolean(
-      reportSpeed = PreferencesUtils.isReportSpeed(context);
+          context, R.string.report_speed_key, PreferencesUtils.REPORT_SPEED_DEFAULT);
    }
-
+    if (key == null
-    if (key == null || key.equals(PreferencesUtils.getSelectedTrackIdKey(context))) {
+        || PreferencesUtils.getKey(context, R.string.selected_track_id_key).equals(key)) {
-      selectedTrackId = PreferencesUtils.getSelectedTrackId(context);
+      selectedTrackId = PreferencesUtils.getLong(context, R.string.selected_track_id_key);
      Log.d(TAG, "TrackWidgetProvider setting selecting track from preference: " + selectedTrackId);
    }
  }
@@ -30,6 +30,7 @@ import com.google.android.apps.mytracks.content.TrackDataHub.ListenerDataType;
 import com.google.android.apps.mytracks.content.TrackDataListener.ProviderState;
 import com.google.android.apps.mytracks.services.TrackRecordingServiceTest.MockContext;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import com.google.android.testing.mocking.AndroidMock;
 import android.content.Context;
@@ -70,7 +71,7 @@ public class TrackDataHubTest extends AndroidTestCase {
  private TrackDataHub hub;
  private TrackDataListeners listeners;
  private DataSourcesWrapper dataSources;
-  private SharedPreferences prefs;
+  private SharedPreferences sharedPreferences;
  private TrackDataListener listener1;
  private TrackDataListener listener2;
  private Capture<OnSharedPreferenceChangeListener> preferenceListenerCapture =
@@ -87,12 +88,12 @@ public class TrackDataHubTest extends AndroidTestCase {
        getContext(), getContext(), "test.");
    context = new MockContext(mockContentResolver, targetContext);
-    prefs = context.getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    sharedPreferences = context.getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    providerUtils = AndroidMock.createMock("providerUtils", MyTracksProviderUtils.class);
    dataSources = AndroidMock.createNiceMock("dataSources", DataSourcesWrapper.class);
    listeners = new TrackDataListeners();
-    hub = new TrackDataHub(context, listeners, prefs, providerUtils, TARGET_POINTS) {
+    hub = new TrackDataHub(context, listeners, sharedPreferences, providerUtils, TARGET_POINTS) {
      @Override
      protected DataSourcesWrapper newDataSources() {
        return dataSources;
@@ -112,8 +113,8 @@ public class TrackDataHubTest extends AndroidTestCase {
    listener1 = AndroidMock.createStrictMock("listener1", TrackDataListener.class);
    listener2 = AndroidMock.createStrictMock("listener2", TrackDataListener.class);
-    PreferencesUtils.setRecordingTrackId(context, TRACK_ID);
+    PreferencesUtils.setLong(context, R.string.recording_track_id_key, TRACK_ID);
-    PreferencesUtils.setSelectedTrackId(context, TRACK_ID);
+    PreferencesUtils.setLong(context, R.string.selected_track_id_key, TRACK_ID);
  }
  @Override
@@ -797,13 +798,8 @@ public class TrackDataHubTest extends AndroidTestCase {
  }
  public void testDisplayPreferencesListen() throws Exception {
-    String metricUnitsKey = PreferencesUtils.getMetricUnitsKey(context);
+    PreferencesUtils.setBoolean(context, R.string.report_speed_key, true);
-    String reportSpeedKey = PreferencesUtils.getReportSpeedKey(context);
+    PreferencesUtils.setBoolean(context, R.string.metric_units_key, true);
    prefs.edit()
        .putBoolean(metricUnitsKey, true)
        .putBoolean(reportSpeedKey, true)
        .apply();
    Capture<OnSharedPreferenceChangeListener> listenerCapture =
        new Capture<OnSharedPreferenceChangeListener>();
@@ -827,11 +823,10 @@ public class TrackDataHubTest extends AndroidTestCase {
    replay();
-    prefs.edit()
+    PreferencesUtils.setBoolean(context, R.string.report_speed_key, false);
        .putBoolean(reportSpeedKey, false)
        .apply();
    OnSharedPreferenceChangeListener listener = listenerCapture.getValue();
-    listener.onSharedPreferenceChanged(prefs, reportSpeedKey);
+    listener.onSharedPreferenceChanged(
        sharedPreferences, PreferencesUtils.getKey(context, R.string.report_speed_key));
    AndroidMock.verify(dataSources, providerUtils, listener1, listener2);
    AndroidMock.reset(dataSources, providerUtils, listener1, listener2);
@@ -841,10 +836,9 @@ public class TrackDataHubTest extends AndroidTestCase {
    replay();
-    prefs.edit()
+    PreferencesUtils.setBoolean(context, R.string.metric_units_key, false);
-        .putBoolean(metricUnitsKey, false)
+    listener.onSharedPreferenceChanged(
-        .apply();
+        sharedPreferences, PreferencesUtils.getKey(context, R.string.metric_units_key));
    listener.onSharedPreferenceChanged(prefs, metricUnitsKey);
    verifyAndReset();
  }
@@ -120,7 +120,7 @@ public class ChartFragmentTest extends AndroidTestCase {
   */
  public void testFillDataPoint_distanceMetric() {
    // By distance.
-    chartFragment.getChartView().setMode(ChartView.Mode.BY_DISTANCE);
+    chartFragment.setChartByDistance(true);
    // Resets last location and writes first location.
    MyTracksLocation myTracksLocation1 = TrackStubUtils.createMyTracksLocation();
    double[] point = fillDataPointTestHelper(myTracksLocation1);
@@ -160,6 +160,8 @@ public class ChartFragmentTest extends AndroidTestCase {
   * {@link ChartFragment#fillDataPoint(Location, double[])}.
   */
  public void testFillDataPoint_distanceImperial() {
    // By distance.
    chartFragment.setChartByDistance(true);
    // Setups to use imperial.
    chartFragment.setMetricUnits(false);
@@ -204,7 +206,7 @@ public class ChartFragmentTest extends AndroidTestCase {
   */
  public void testFillDataPoint_time() {
    // By time
-    chartFragment.getChartView().setMode(ChartView.Mode.BY_TIME);
+    chartFragment.setChartByDistance(false);
    MyTracksLocation myTracksLocation1 = TrackStubUtils.createMyTracksLocation();
    double[] point = fillDataPointTestHelper(myTracksLocation1);
    assertEquals(0.0, point[0]);
@@ -15,14 +15,11 @@
 */
 package com.google.android.apps.mytracks.io.sendtogoogle;
-import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.app.Instrumentation;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.test.ActivityInstrumentationTestCase2;
 import android.widget.CheckBox;
 import android.widget.RadioButton;
@@ -123,14 +120,10 @@ public class UploadServiceChooserActivityTest extends
  public void testOnCreateDialog_initStateUnchecked() {
    initialActivity(true, true, true);
    // Initial all values to false in SharedPreferences.
-    SharedPreferences prefs = uploadServiceChooserActivity.getSharedPreferences(
+    PreferencesUtils.setBoolean(uploadServiceChooserActivity, R.string.send_to_maps_key, false);
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    PreferencesUtils.setBoolean(
-    Editor editor = prefs.edit();
+        uploadServiceChooserActivity, R.string.send_to_fusion_tables_key, false);
-    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_maps_key), false);
+    PreferencesUtils.setBoolean(uploadServiceChooserActivity, R.string.send_to_docs_key, false);
    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_fusion_tables_key),
        false);
    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_docs_key), false);
    editor.commit();
    uploadServiceChooserActivity.runOnUiThread(new Runnable() {
      public void run() {
        uploadServiceChooserActivity.initState();
@@ -150,15 +143,11 @@ public class UploadServiceChooserActivityTest extends
  public void testOnCreateDialog_initStateChecked() {
    initialActivity(true, true, true);
    // Initial all values to true in SharedPreferences.
-    SharedPreferences prefs = uploadServiceChooserActivity.getSharedPreferences(
+    PreferencesUtils.setBoolean(uploadServiceChooserActivity, R.string.pick_existing_map_key, true);
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    PreferencesUtils.setBoolean(uploadServiceChooserActivity, R.string.send_to_maps_key, true);
-    Editor editor = prefs.edit();
+    PreferencesUtils.setBoolean(
-    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_maps_key), true);
+        uploadServiceChooserActivity, R.string.send_to_fusion_tables_key, true);
-    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.pick_existing_map_key), true);
+    PreferencesUtils.setBoolean(uploadServiceChooserActivity, R.string.send_to_docs_key, true);
    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_fusion_tables_key),
        true);
    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_docs_key), true);
    editor.commit();
    uploadServiceChooserActivity.runOnUiThread(new Runnable() {
      public void run() {
        uploadServiceChooserActivity.initState();
@@ -181,14 +170,10 @@ public class UploadServiceChooserActivityTest extends
  public void testOnCreateDialog_saveState() {
    initialActivity(true, true, true);
    // Initial all values to true in SharedPreferences.
-    SharedPreferences prefs = uploadServiceChooserActivity.getSharedPreferences(
+    PreferencesUtils.setBoolean(uploadServiceChooserActivity, R.string.send_to_maps_key, true);
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    PreferencesUtils.setBoolean(
-    Editor editor = prefs.edit();
+        uploadServiceChooserActivity, R.string.send_to_fusion_tables_key, true);
-    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_maps_key), true);
+    PreferencesUtils.setBoolean(uploadServiceChooserActivity, R.string.send_to_docs_key, true);
    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_fusion_tables_key),
        true);
    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_docs_key), true);
    editor.commit();
    uploadServiceChooserActivity.runOnUiThread(new Runnable() {
      public void run() {
        uploadServiceChooserActivity.initState();
@@ -197,12 +182,13 @@ public class UploadServiceChooserActivityTest extends
    instrumentation.waitForIdleSync();
    uploadServiceChooserActivity.saveState();
    // All values in SharedPreferences must be changed.
-    assertTrue(prefs.getBoolean(uploadServiceChooserActivity.getString(R.string.send_to_maps_key),
+    assertTrue(PreferencesUtils.getBoolean(uploadServiceChooserActivity, R.string.send_to_maps_key,
-        false));
+        PreferencesUtils.SEND_TO_MAPS_DEFAULT));
-    assertTrue(prefs.getBoolean(uploadServiceChooserActivity.getString(R.string.send_to_maps_key),
+    assertTrue(PreferencesUtils.getBoolean(
-        false));
+        uploadServiceChooserActivity, R.string.send_to_fusion_tables_key,
-    assertTrue(prefs.getBoolean(uploadServiceChooserActivity.getString(R.string.send_to_maps_key),
+        PreferencesUtils.SEND_TO_FUSION_TABLES_DEFAULT));
-        false));
+    assertTrue(PreferencesUtils.getBoolean(uploadServiceChooserActivity, R.string.send_to_docs_key,
        PreferencesUtils.SEND_TO_DOCS_DEFAULT));
  }
  /**
@@ -213,14 +199,10 @@ public class UploadServiceChooserActivityTest extends
  public void testOnCreateDialog_startNextActivity() {
    initialActivity(true, true, true);
    // Initial all values to true or false in SharedPreferences.
-    SharedPreferences prefs = uploadServiceChooserActivity.getSharedPreferences(
+    PreferencesUtils.setBoolean(uploadServiceChooserActivity, R.string.send_to_maps_key, true);
-        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    PreferencesUtils.setBoolean(uploadServiceChooserActivity, R.string.send_to_docs_key, true);
-    Editor editor = prefs.edit();
+    PreferencesUtils.setBoolean(
-    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_maps_key), true);
+        uploadServiceChooserActivity, R.string.send_to_fusion_tables_key, false);
    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_docs_key), true);
    editor.putBoolean(uploadServiceChooserActivity.getString(R.string.send_to_fusion_tables_key),
        false);
    editor.commit();
    uploadServiceChooserActivity.runOnUiThread(new Runnable() {
      public void run() {
        uploadServiceChooserActivity.initState();
@@ -13,6 +13,7 @@
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.maps;
 import com.google.android.apps.mytracks.Constants;
@@ -21,26 +22,23 @@ import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.test.AndroidTestCase;
 /**
 * Tests for the {@link DynamicSpeedTrackPathDescriptor}.
- *
+ * 
 * @author Youtao Liu
 */
 public class DynamicSpeedTrackPathDescriptorTest extends AndroidTestCase {
  private Context context;
  private SharedPreferences sharedPreferences;
  private Editor sharedPreferencesEditor;
  @Override
  protected void setUp() throws Exception {
    super.setUp();
    context = getContext();
    sharedPreferences = context.getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    sharedPreferencesEditor = sharedPreferences.edit();
  }
  /**
@@ -48,96 +46,77 @@ public class DynamicSpeedTrackPathDescriptorTest extends AndroidTestCase {
   * with zero, normal and illegal value.
   */
  public void testGetSpeedMargin() {
    String[] actuals = { "0", "50", "99", "" };
    // The default value of speedMargin is 25.
    int[] expectations = { 0, 50, 99, 25 };
    // Test
    for (int i = 0; i < expectations.length; i++) {
-      sharedPreferencesEditor.putString(
+      PreferencesUtils.setInt(context, R.string.track_color_mode_percentage_key, expectations[i]);
          context.getString(R.string.track_color_mode_dynamic_speed_variation_key), actuals[i]);
      sharedPreferencesEditor.commit();
      DynamicSpeedTrackPathDescriptor dynamicSpeedTrackPathDescriptor = new DynamicSpeedTrackPathDescriptor(
          context);
-      assertEquals(expectations[i],
+      assertEquals(expectations[i], dynamicSpeedTrackPathDescriptor.getSpeedMargin());
          dynamicSpeedTrackPathDescriptor.getSpeedMargin(sharedPreferences));
    }
  }
  /**
-   * Tests {@link
+   * Tests {@link DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * String)} when the key is null.
   */
  public void testOnSharedPreferenceChanged_nullKey() {
    DynamicSpeedTrackPathDescriptor dynamicSpeedTrackPathDescriptor = new DynamicSpeedTrackPathDescriptor(
        context);
-    int speedMargin = dynamicSpeedTrackPathDescriptor.getSpeedMargin(sharedPreferences);
+    int speedMargin = dynamicSpeedTrackPathDescriptor.getSpeedMargin();
    // Change value in shared preferences.
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_percentage_key, speedMargin + 2);
        context.getString(R.string.track_color_mode_dynamic_speed_variation_key),
        Integer.toString(speedMargin + 2));
    sharedPreferencesEditor.commit();
    dynamicSpeedTrackPathDescriptor.onSharedPreferenceChanged(sharedPreferences, null);
    assertEquals(speedMargin, dynamicSpeedTrackPathDescriptor.getSpeedMargin());
  }
  /**
-   * Tests {@link
+   * Tests {@link DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * String)} when the key is not null, and not trackColorModeDynamicVariation.
   */
  public void testOnSharedPreferenceChanged_otherKey() {
    DynamicSpeedTrackPathDescriptor dynamicSpeedTrackPathDescriptor = new DynamicSpeedTrackPathDescriptor(
        context);
-    int speedMargin = dynamicSpeedTrackPathDescriptor.getSpeedMargin(sharedPreferences);
+    int speedMargin = dynamicSpeedTrackPathDescriptor.getSpeedMargin();
    // Change value in shared preferences.
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_percentage_key, speedMargin + 2);
        context.getString(R.string.track_color_mode_dynamic_speed_variation_key),
        Integer.toString(speedMargin + 2));
    sharedPreferencesEditor.commit();
    dynamicSpeedTrackPathDescriptor.onSharedPreferenceChanged(sharedPreferences, "anyKey");
    assertEquals(speedMargin, dynamicSpeedTrackPathDescriptor.getSpeedMargin());
  }
  /**
-   * Tests {@link
+   * Tests {@link DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * String)} when the key is trackColorModeDynamicVariation.
   */
  public void testOnSharedPreferenceChanged_trackColorModeDynamicVariationKey() {
    DynamicSpeedTrackPathDescriptor dynamicSpeedTrackPathDescriptor = new DynamicSpeedTrackPathDescriptor(
        context);
-    int speedMargin = dynamicSpeedTrackPathDescriptor.getSpeedMargin(sharedPreferences);
+    int speedMargin = dynamicSpeedTrackPathDescriptor.getSpeedMargin();
    // Change value in shared preferences.
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_percentage_key, speedMargin + 2);
        "trackColorModeDynamicVariation",
        Integer.toString(speedMargin + 2));
    sharedPreferencesEditor.commit();
    dynamicSpeedTrackPathDescriptor.onSharedPreferenceChanged(sharedPreferences,
-        "trackColorModeDynamicVariation");
+        PreferencesUtils.getKey(context, R.string.track_color_mode_percentage_key));
    assertEquals(speedMargin + 2, dynamicSpeedTrackPathDescriptor.getSpeedMargin());
  }
  /**
-   * Tests {@link
+   * Tests {@link DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
-   * DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
+   * String)} when the values of speedMargin is the default value.
   * String)} when the values of speedMargin is "".
   */
-  public void testOnSharedPreferenceChanged_emptyValue() {
+  public void testOnSharedPreferenceChanged_defaultValue() {
    DynamicSpeedTrackPathDescriptor dynamicSpeedTrackPathDescriptor = new DynamicSpeedTrackPathDescriptor(
        context);
    // Change value in shared preferences
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_percentage_key,
-        context.getString(R.string.track_color_mode_dynamic_speed_variation_key), "");
+        PreferencesUtils.TRACK_COLOR_MODE_PERCENTAGE_DEFAULT);
    sharedPreferencesEditor.commit();
    dynamicSpeedTrackPathDescriptor.onSharedPreferenceChanged(sharedPreferences,
-        context.getString(R.string.track_color_mode_dynamic_speed_variation_key));
+        PreferencesUtils.getKey(context, R.string.track_color_mode_percentage_key));
    // The default value of speedMargin is 25.
-    assertEquals(25, dynamicSpeedTrackPathDescriptor.getSpeedMargin());
+    assertEquals(PreferencesUtils.TRACK_COLOR_MODE_PERCENTAGE_DEFAULT,
        dynamicSpeedTrackPathDescriptor.getSpeedMargin());
  }
  /**
@@ -145,7 +124,8 @@ public class DynamicSpeedTrackPathDescriptorTest extends AndroidTestCase {
   * id.
   */
  public void testNeedsRedraw_WrongTrackId() {
-    PreferencesUtils.setSelectedTrackId(context, -1L);
+    PreferencesUtils.setLong(
        context, R.string.selected_track_id_key, PreferencesUtils.SELECTED_TRACK_ID_DEFAULT);
    DynamicSpeedTrackPathDescriptor dynamicSpeedTrackPathDescriptor = new DynamicSpeedTrackPathDescriptor(
        context);
    assertEquals(false, dynamicSpeedTrackPathDescriptor.needsRedraw());
@@ -160,9 +140,9 @@ public class DynamicSpeedTrackPathDescriptorTest extends AndroidTestCase {
        context);
    double[] averageMovingSpeeds = { 0, 30, 30, 30 };
    double[] newAverageMovingSpeed = { 20, 30,
-        // Difference is less than CRITICAL_DIFFERENCE_PERCENTAGE
+    // Difference is less than CRITICAL_DIFFERENCE_PERCENTAGE
        30 * (1 + (DynamicSpeedTrackPathDescriptor.CRITICAL_DIFFERENCE_PERCENTAGE / 100) / 2),
-        // Difference is more than CRITICAL_DIFFERENCE_PERCENTAGE
+    // Difference is more than CRITICAL_DIFFERENCE_PERCENTAGE
        30 * (1 + (DynamicSpeedTrackPathDescriptor.CRITICAL_DIFFERENCE_PERCENTAGE / 100.00) * 2) };
    boolean[] expectedValues = { true, false, false, true };
    double[] expectedAverageMovingSpeed = { 20, 30, 30,
@@ -172,8 +152,8 @@ public class DynamicSpeedTrackPathDescriptorTest extends AndroidTestCase {
      dynamicSpeedTrackPathDescriptor.setAverageMovingSpeed(averageMovingSpeeds[i]);
      assertEquals(expectedValues[i], dynamicSpeedTrackPathDescriptor.isDifferenceSignificant(
          averageMovingSpeeds[i], newAverageMovingSpeed[i]));
-      assertEquals(expectedAverageMovingSpeed[i],
+      assertEquals(
-          dynamicSpeedTrackPathDescriptor.getAverageMovingSpeed());
+          expectedAverageMovingSpeed[i], dynamicSpeedTrackPathDescriptor.getAverageMovingSpeed());
    }
  }
 }
@@ -16,52 +16,42 @@
 package com.google.android.apps.mytracks.maps;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.test.AndroidTestCase;
 /**
 * Tests for the {@link DynamicSpeedTrackPathDescriptor}.
- *
+ * 
 * @author Youtao Liu
 */
 public class FixedSpeedTrackPathDescriptorTest extends AndroidTestCase {
  private Context context;
  private SharedPreferences sharedPreferences;
  private Editor sharedPreferencesEditor;
  private int slowDefault;
  private int normalDefault;
  @Override
  protected void setUp() throws Exception {
    super.setUp();
    context = getContext();
    sharedPreferences = context.getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    sharedPreferencesEditor = sharedPreferences.edit();
    // Get the default value
    slowDefault = 9;
    normalDefault = 15;
  }
  /**
-   * Tests the initialization of slowSpeed and normalSpeed in {@link
+   * Tests the initialization of slowSpeed and normalSpeed in {@link DynamicSpeedTrackPathDescriptor#DynamicSpeedTrackPathDescriptor(Context)}
-   * DynamicSpeedTrackPathDescriptor#DynamicSpeedTrackPathDescriptor(Context)}.
+   * .
   */
  public void testConstructor() {
-    String[] slowSpeedsInShPre = { "0", "1", "99", "" };
+    int[] slowSpeedExpectations = { 0, 1, 99, PreferencesUtils.TRACK_COLOR_MODE_SLOW_DEFAULT };
-    int[] slowSpeedExpectations = { 0, 1, 99, slowDefault };
+    int[] normalSpeedExpectations = { 0, 1, 99, PreferencesUtils.TRACK_COLOR_MODE_MEDIUM_DEFAULT };
-    String[] normalSpeedsInShPre = { "0", "1", "99", "" };
+    for (int i = 0; i < slowSpeedExpectations.length; i++) {
-    int[] normalSpeedExpectations = { 0, 1, 99, normalDefault };
+      PreferencesUtils.setInt(
-    for (int i = 0; i < slowSpeedsInShPre.length; i++) {
+          context, R.string.track_color_mode_slow_key, slowSpeedExpectations[i]);
-      sharedPreferencesEditor.putString(
+      PreferencesUtils.setInt(
-          context.getString(R.string.track_color_mode_fixed_speed_slow_key), slowSpeedsInShPre[i]);
+          context, R.string.track_color_mode_medium_key, normalSpeedExpectations[i]);
      sharedPreferencesEditor.putString(
          context.getString(R.string.track_color_mode_fixed_speed_medium_key),
          normalSpeedsInShPre[i]);
      sharedPreferencesEditor.commit();
      FixedSpeedTrackPathDescriptor fixedSpeedTrackPathDescriptor = new FixedSpeedTrackPathDescriptor(
          context);
      assertEquals(slowSpeedExpectations[i], fixedSpeedTrackPathDescriptor.getSlowSpeed());
@@ -70,8 +60,7 @@ public class FixedSpeedTrackPathDescriptorTest extends AndroidTestCase {
  }
  /**
-   * Tests {@link
+   * Tests {@link DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * String)} when the key is null.
   */
  public void testOnSharedPreferenceChanged_null_key() {
@@ -80,22 +69,15 @@ public class FixedSpeedTrackPathDescriptorTest extends AndroidTestCase {
    int slowSpeed = fixedSpeedTrackPathDescriptor.getSlowSpeed();
    int normalSpeed = fixedSpeedTrackPathDescriptor.getNormalSpeed();
    // Change value in shared preferences
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_slow_key, slowSpeed + 2);
-        context.getString(R.string.track_color_mode_fixed_speed_slow_key),
+    PreferencesUtils.setInt(context, R.string.track_color_mode_medium_key, normalSpeed + 2);
        Integer.toString(slowSpeed + 2));
    sharedPreferencesEditor.putString(
        context.getString(R.string.track_color_mode_fixed_speed_medium_key),
        Integer.toString(normalSpeed + 2));
    sharedPreferencesEditor.commit();
    fixedSpeedTrackPathDescriptor.onSharedPreferenceChanged(sharedPreferences, null);
    assertEquals(slowSpeed, fixedSpeedTrackPathDescriptor.getSlowSpeed());
    assertEquals(normalSpeed, fixedSpeedTrackPathDescriptor.getNormalSpeed());
  }
  /**
-   * Tests {@link
+   * Tests {@link DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * String)} when the key is not null, and not slowSpeed and not normalSpeed.
   */
  public void testOnSharedPreferenceChanged_other_key() {
@@ -104,84 +86,59 @@ public class FixedSpeedTrackPathDescriptorTest extends AndroidTestCase {
    int slowSpeed = fixedSpeedTrackPathDescriptor.getSlowSpeed();
    int normalSpeed = fixedSpeedTrackPathDescriptor.getNormalSpeed();
    // Change value in shared preferences
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_slow_key, slowSpeed + 2);
-        context.getString(R.string.track_color_mode_fixed_speed_slow_key),
+    PreferencesUtils.setInt(context, R.string.track_color_mode_medium_key, normalSpeed + 2);
        Integer.toString(slowSpeed + 2));
    sharedPreferencesEditor.putString(
        context.getString(R.string.track_color_mode_fixed_speed_medium_key),
        Integer.toString(normalSpeed + 2));
    sharedPreferencesEditor.commit();
    fixedSpeedTrackPathDescriptor.onSharedPreferenceChanged(sharedPreferences, "anyKey");
    assertEquals(slowSpeed, fixedSpeedTrackPathDescriptor.getSlowSpeed());
    assertEquals(normalSpeed, fixedSpeedTrackPathDescriptor.getNormalSpeed());
  }
  /**
-   * Tests {@link
+   * Tests {@link DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * String)} when the key is slowSpeed.
   */
  public void testOnSharedPreferenceChanged_slowSpeedKey() {
    FixedSpeedTrackPathDescriptor fixedSpeedTrackPathDescriptor = new FixedSpeedTrackPathDescriptor(
        context);
    int slowSpeed = fixedSpeedTrackPathDescriptor.getSlowSpeed();
    int normalSpeed = fixedSpeedTrackPathDescriptor.getNormalSpeed();
    // Change value in shared preferences
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_slow_key, slowSpeed + 2);
-        context.getString(R.string.track_color_mode_fixed_speed_slow_key),
+    fixedSpeedTrackPathDescriptor.onSharedPreferenceChanged(
-        Integer.toString(slowSpeed + 2));
+        sharedPreferences, context.getString(R.string.track_color_mode_slow_key));
    sharedPreferencesEditor.putString(
        context.getString(R.string.track_color_mode_fixed_speed_medium_key),
        Integer.toString(normalSpeed + 2));
    sharedPreferencesEditor.commit();
    fixedSpeedTrackPathDescriptor.onSharedPreferenceChanged(sharedPreferences,
        context.getString(R.string.track_color_mode_fixed_speed_slow_key));
    assertEquals(slowSpeed + 2, fixedSpeedTrackPathDescriptor.getSlowSpeed());
    assertEquals(normalSpeed + 2, fixedSpeedTrackPathDescriptor.getNormalSpeed());
  }
  /**
-   * Tests {@link
+   * Tests {@link DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * String)} when the key is normalSpeed.
   */
  public void testOnSharedPreferenceChanged_normalSpeedKey() {
    FixedSpeedTrackPathDescriptor fixedSpeedTrackPathDescriptor = new FixedSpeedTrackPathDescriptor(
        context);
    int slowSpeed = fixedSpeedTrackPathDescriptor.getSlowSpeed();
    int normalSpeed = fixedSpeedTrackPathDescriptor.getNormalSpeed();
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_medium_key, normalSpeed + 4);
-        context.getString(R.string.track_color_mode_fixed_speed_slow_key),
+    fixedSpeedTrackPathDescriptor.onSharedPreferenceChanged(
-        Integer.toString(slowSpeed + 4));
+        sharedPreferences, context.getString(R.string.track_color_mode_medium_key));
    sharedPreferencesEditor.putString(
        context.getString(R.string.track_color_mode_fixed_speed_medium_key),
        Integer.toString(normalSpeed + 4));
    sharedPreferencesEditor.commit();
    fixedSpeedTrackPathDescriptor.onSharedPreferenceChanged(sharedPreferences,
        context.getString(R.string.track_color_mode_fixed_speed_medium_key));
    assertEquals(slowSpeed + 4, fixedSpeedTrackPathDescriptor.getSlowSpeed());
    assertEquals(normalSpeed + 4, fixedSpeedTrackPathDescriptor.getNormalSpeed());
  }
  /**
-   * Tests {@link
+   * Tests {@link DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * DynamicSpeedTrackPathDescriptor#onSharedPreferenceChanged(SharedPreferences,
   * String)} when the values of slowSpeed and normalSpeed in SharedPreference
-   * is "". In such situation, the default value should get returned.
+   * are the default values.
   */
-  public void testOnSharedPreferenceChanged_emptyValue() {
+  public void testOnSharedPreferenceChanged_defaultValue() {
    FixedSpeedTrackPathDescriptor fixedSpeedTrackPathDescriptor = new FixedSpeedTrackPathDescriptor(
        context);
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_slow_key,
-        context.getString(R.string.track_color_mode_fixed_speed_slow_key), "");
+        PreferencesUtils.TRACK_COLOR_MODE_SLOW_DEFAULT);
-    sharedPreferencesEditor.putString(
+    PreferencesUtils.setInt(context, R.string.track_color_mode_medium_key,
-        context.getString(R.string.track_color_mode_fixed_speed_medium_key), "");
+        PreferencesUtils.TRACK_COLOR_MODE_MEDIUM_DEFAULT);
-    sharedPreferencesEditor.commit();
+    fixedSpeedTrackPathDescriptor.onSharedPreferenceChanged(
-
+        sharedPreferences, context.getString(R.string.track_color_mode_medium_key));
-    fixedSpeedTrackPathDescriptor.onSharedPreferenceChanged(sharedPreferences,
+    assertEquals(PreferencesUtils.TRACK_COLOR_MODE_SLOW_DEFAULT,
-        context.getString(R.string.track_color_mode_fixed_speed_medium_key));
+        fixedSpeedTrackPathDescriptor.getSlowSpeed());
-    assertEquals(slowDefault, fixedSpeedTrackPathDescriptor.getSlowSpeed());
+    assertEquals(PreferencesUtils.TRACK_COLOR_MODE_MEDIUM_DEFAULT,
-    assertEquals(normalDefault, fixedSpeedTrackPathDescriptor.getNormalSpeed());
+        fixedSpeedTrackPathDescriptor.getNormalSpeed());
  }
 }
@@ -15,11 +15,10 @@
 */
 package com.google.android.apps.mytracks.maps;
-import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.location.Location;
 /**
@@ -41,25 +40,20 @@ public class TrackPathPainterFactoryTest extends TrackPathPainterTestCase {
    }
    Context context = getContext();
    SharedPreferences prefs = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    if (prefs == null) {
      return;
    }
-    testTrackPathPainterFactorySpecific(context, prefs, R.string.display_track_color_value_none, 
+    testTrackPathPainterFactorySpecific(context,
-        SingleColorTrackPathPainter.class);
+        R.string.settings_map_track_color_mode_single_value, SingleColorTrackPathPainter.class);
-    testTrackPathPainterFactorySpecific(context, prefs, R.string.display_track_color_value_fixed, 
+    testTrackPathPainterFactorySpecific(context, R.string.settings_map_track_color_mode_fixed_value,
        DynamicSpeedTrackPathPainter.class);
    testTrackPathPainterFactorySpecific(context, prefs, R.string.display_track_color_value_dynamic, 
        DynamicSpeedTrackPathPainter.class);
    testTrackPathPainterFactorySpecific(context,
        R.string.settings_map_track_color_mode_dynamic_value, DynamicSpeedTrackPathPainter.class);
  }
-  private <T> void testTrackPathPainterFactorySpecific(Context context, SharedPreferences prefs, 
+  private <T> void testTrackPathPainterFactorySpecific(
-      int track_color_mode, Class <?> c) {
+      Context context, int track_color_mode, Class<?> c) {
-    prefs.edit().putString(context.getString(R.string.track_color_mode_key), 
+    PreferencesUtils.setString(
-        context.getString(track_color_mode)).apply();
+        context, R.string.track_color_mode_key, context.getString(track_color_mode));
-    
+
    int startLocationIdx = 0;
    Boolean alwaysVisible = true;
@@ -0,0 +1,76 @@
 /*
 * Copyright 2012 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.services;
 import junit.framework.TestCase;
 /**
 * Tests the {@link AdaptiveLocationListenerPolicy}.
 * 
 * @author youtaol
 */
 public class AdaptiveLocationListenerPolicyTest extends TestCase {
  private AdaptiveLocationListenerPolicy adocationListenerPolicy;
  private static final long MIN = 1000;
  private static final long MAX = 3000;
  private static final int MIN_DISTANCE = 10;
  private static final long NEW_IDLE_TIME_BIG = 10000;
  private static final long NEW_IDLE_TIME_NORMAL = 5000;
  private static final long NEW_IDLE_TIME_SMALL = 2000;
  private static final long NEW_IDLE_TIME_LESS_THAN_MIN = 500;
  @Override
  protected void setUp() throws Exception {
    super.setUp();
    adocationListenerPolicy = new AdaptiveLocationListenerPolicy(MIN, MAX, MIN_DISTANCE);
  }
  /**
   * Tests the
   * {@link AdaptiveLocationListenerPolicy#getDesiredPollingInterval()} in four
   * situations.
   * <ul>
   * <li>The newIdleTime is bigger than max interval.</li>
   * <li>The newIdleTime is between min and max interval.</li>
   * <li>The newIdleTime is smaller than max interval.</li>
   * <li>The newIdleTime is smaller than the smallest interval unit.</li>
   * </ul>
   */
  public void testGetDesiredPollingInterval() {
    adocationListenerPolicy.updateIdleTime(NEW_IDLE_TIME_BIG);
    assertEquals(MAX, adocationListenerPolicy.getDesiredPollingInterval());
    adocationListenerPolicy.updateIdleTime(NEW_IDLE_TIME_NORMAL);
    // First get the half of NEW_IDLE_TIME_NORMAL, and then round it to the
    // nearest second.
    assertEquals((NEW_IDLE_TIME_NORMAL / 2 / 1000) * 1000,
        adocationListenerPolicy.getDesiredPollingInterval());
    adocationListenerPolicy.updateIdleTime(NEW_IDLE_TIME_SMALL);
    assertEquals(MIN, adocationListenerPolicy.getDesiredPollingInterval());
    adocationListenerPolicy.updateIdleTime(NEW_IDLE_TIME_LESS_THAN_MIN);
    assertEquals(MIN, adocationListenerPolicy.getDesiredPollingInterval());
  }
  /**
   * Tests the method {@link AdaptiveLocationListenerPolicy#getMinDistance()}.
   */
  public void testGetMinDistance() {
    assertEquals(MIN_DISTANCE, adocationListenerPolicy.getMinDistance());
  }
 }
@@ -0,0 +1,105 @@
 /*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
 package com.google.android.apps.mytracks.services;
 import com.google.android.maps.mytracks.R;
 import com.google.android.testing.mocking.UsesMocks;
 import android.content.Context;
 import android.content.Intent;
 import android.os.RemoteException;
 import android.test.ServiceTestCase;
 import org.easymock.EasyMock;
 /**
 * Tests {@link ControlRecordingService}.
 * 
 * @author Youtao Liu
 */
 public class ControlRecordingServiceTest extends ServiceTestCase<ControlRecordingService> {
  private Context context;
  private ControlRecordingService controlRecordingService;
  public ControlRecordingServiceTest() {
    super(ControlRecordingService.class);
  }
  @Override
  protected void setUp() throws Exception {
    super.setUp();
    context = getContext();
  }
  /**
   * Tests the start of {@link ControlRecordingService} and tests the method
   * {@link ControlRecordingService#onHandleIntent(Intent, ITrackRecordingService)}
   * to start a track recording.
   */
  @UsesMocks(ITrackRecordingService.class)
  public void testStartRecording() {
    assertNull(controlRecordingService);
    Intent intent = startControlRecordingService(context.getString(R.string.track_action_start));
    assertNotNull(controlRecordingService);
    ITrackRecordingService iTrackRecordingServiceMock = EasyMock
        .createStrictMock(ITrackRecordingService.class);
    try {
      EasyMock.expect(iTrackRecordingServiceMock.startNewTrack()).andReturn(1L);
      EasyMock.replay(iTrackRecordingServiceMock);
      controlRecordingService.onHandleIntent(intent, iTrackRecordingServiceMock);
      EasyMock.verify(iTrackRecordingServiceMock);
    } catch (RemoteException e) {
      fail();
    }
  }
  /**
   * Tests the method
   * {@link ControlRecordingService#onHandleIntent(Intent, ITrackRecordingService)}
   * to stop a track recording.
   */
  @UsesMocks(ITrackRecordingService.class)
  public void testStopRecording() {
    Intent intent = startControlRecordingService(context.getString(R.string.track_action_end));
    ITrackRecordingService iTrackRecordingServiceMock = EasyMock
        .createStrictMock(ITrackRecordingService.class);
    try {
      iTrackRecordingServiceMock.endCurrentTrack();
      EasyMock.replay(iTrackRecordingServiceMock);
      controlRecordingService.onHandleIntent(intent, iTrackRecordingServiceMock);
      EasyMock.verify(iTrackRecordingServiceMock);
    } catch (RemoteException e) {
      fail();
    }
  }
  /**
   * Starts a ControlRecordingService with a specified action.
   * 
   * @param action the action string in the start intent
   */
  private Intent startControlRecordingService(String action) {
    Intent intent = new Intent(context, ControlRecordingService.class);
    intent.setAction(action);
    startService(intent);
    controlRecordingService = getService();
    return intent;
  }
 }
@@ -34,7 +34,6 @@ import android.content.ContextWrapper;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.database.Cursor;
 import android.location.Location;
 import android.net.Uri;
@@ -66,7 +65,6 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
  private Context context;
  private MyTracksProviderUtils providerUtils;
  private SharedPreferences sharedPreferences;
  /*
   * In order to support starting and binding to the service in the same
@@ -160,14 +158,16 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    providerUtils = MyTracksProviderUtils.Factory.get(context);
-    sharedPreferences = context.getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    SharedPreferences sharedPreferences = context.getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    // Let's use default values.
    sharedPreferences.edit().clear().apply();
    // Disable auto resume by default.
-    updateAutoResumePrefs(0, -1);
+    updateAutoResumePrefs(PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT, 0);
    // No recording track.
-    PreferencesUtils.setRecordingTrackId(context, -1L);
+    PreferencesUtils.setLong(
        context, R.string.recording_track_id_key, PreferencesUtils.RECORDING_TRACK_ID_DEFAULT);
  }
  @SmallTest
@@ -188,7 +188,8 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    createDummyTrack(123L, System.currentTimeMillis(), true);
    // Clear the number of attempts and set the timeout to 10 min.
-    updateAutoResumePrefs(0, 10);
+    updateAutoResumePrefs(PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT,
        PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
    // Start the service in "resume" mode (simulates the on-reboot action).
    Intent startIntent = createStartIntent();
@@ -210,7 +211,8 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
  // TODO: If fixed, remove "disabled" prefix from the test name.
  @MediumTest
  public void disabledTestResumeAfterReboot_simulateReboot() throws Exception {
-    updateAutoResumePrefs(0, 10);
+    updateAutoResumePrefs(PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT,
        PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
    ITrackRecordingService service = bindAndGetService(createStartIntent());
    assertFalse(service.isRecording());
@@ -219,7 +221,7 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    assertTrue(service.isRecording());
    assertEquals(id, service.getRecordingTrackId());
    shutdownService();
-    assertEquals(id, PreferencesUtils.getRecordingTrackId(context));
+    assertEquals(id, PreferencesUtils.getLong(context, R.string.recording_track_id_key));
    // Start the service in "resume" mode (simulates the on-reboot action).
    Intent startIntent = createStartIntent();
@@ -236,7 +238,8 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    createDummyTrack(123L, System.currentTimeMillis(), false);
    // Clear the number of attempts and set the timeout to 10 min.
-    updateAutoResumePrefs(0, 10);
+    updateAutoResumePrefs(PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT,
        PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
    // Start the service in "resume" mode (simulates the on-reboot action).
    Intent startIntent = createStartIntent();
@@ -256,7 +259,8 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    createDummyTrack(123L, System.currentTimeMillis() - 20 * 60 * 1000, true);
    // Clear the number of attempts and set the timeout to 10 min.
-    updateAutoResumePrefs(0, 10);
+    updateAutoResumePrefs(PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT,
        PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
    // Start the service in "resume" mode (simulates the on-reboot action).
    Intent startIntent = createStartIntent();
@@ -276,8 +280,8 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    createDummyTrack(123L, System.currentTimeMillis(), true);
    // Set the number of attempts to max.
-    updateAutoResumePrefs(
+    updateAutoResumePrefs(TrackRecordingService.MAX_AUTO_RESUME_TRACK_RETRY_ATTEMPTS,
-        TrackRecordingService.MAX_AUTO_RESUME_TRACK_RETRY_ATTEMPTS, 10);
+        PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
    // Start the service in "resume" mode (simulates the on-reboot action).
    Intent startIntent = createStartIntent();
@@ -315,7 +319,7 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
  @MediumTest
  public void testRecording_orphanedRecordingTrack() throws Exception {
    // Just set recording track to a bogus value.
-    PreferencesUtils.setRecordingTrackId(context, 256L);
+    PreferencesUtils.setLong(context, R.string.recording_track_id_key, 256L);
    // Make sure that the service will not start recording and will clear
    // the bogus track.
@@ -387,9 +391,10 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    Track track = providerUtils.getTrack(id);
    assertNotNull(track);
    assertEquals(id, track.getId());
-    assertEquals(sharedPreferences.getString(context.getString(R.string.default_activity_key), ""),
+    assertEquals(PreferencesUtils.getString(
        context, R.string.default_activity_key, PreferencesUtils.DEFAULT_ACTIVITY_DEFAULT),
        track.getCategory());
-    assertEquals(id, PreferencesUtils.getRecordingTrackId(context));
+    assertEquals(id, PreferencesUtils.getLong(context, R.string.recording_track_id_key));
    assertEquals(id, service.getRecordingTrackId());
    // Verify that the start broadcast was received.
@@ -415,7 +420,7 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    long newTrack = service.startNewTrack();
    assertEquals(-1L, newTrack);
-    assertEquals(123L, PreferencesUtils.getRecordingTrackId(context));
+    assertEquals(123L, PreferencesUtils.getLong(context, R.string.recording_track_id_key));
    assertEquals(123L, service.getRecordingTrackId());
  }
@@ -434,8 +439,9 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    // End the current track.
    service.endCurrentTrack();
    assertFalse(service.isRecording());
-    assertEquals(-1L, PreferencesUtils.getRecordingTrackId(context));
+    assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT,
-    assertEquals(-1L, service.getRecordingTrackId());
+        PreferencesUtils.getLong(context, R.string.recording_track_id_key));
    assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT, service.getRecordingTrackId());
    // Verify that the stop broadcast was received.
    assertTrue(stopReceiver.waitUntilReceived(1));
@@ -457,8 +463,9 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    // Ending the current track when there is no recording should not result in any error.
    service.endCurrentTrack();
-    assertEquals(-1L, PreferencesUtils.getRecordingTrackId(context));
+    assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT,
-    assertEquals(-1L, service.getRecordingTrackId());
+        PreferencesUtils.getLong(context, R.string.recording_track_id_key));
    assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT, service.getRecordingTrackId());
  }
  @MediumTest
@@ -537,95 +544,120 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
  }
  @MediumTest
-  public void testWithProperties_noAnnouncementFreq() throws Exception {
+  public void testWithProperties_announcementFrequencyDefault() throws Exception {
-    functionalTest(R.string.announcement_frequency_key, (Object) null);
+    PreferencesUtils.setInt(context, R.string.announcement_frequency_key,
        PreferencesUtils.ANNOUNCEMENT_FREQUENCY_DEFAULT);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_defaultAnnouncementFreq() throws Exception {
+  public void testWithProperties_announcementFrequencyByDistance() throws Exception {
-    functionalTest(R.string.announcement_frequency_key, 1);
+    PreferencesUtils.setInt(context, R.string.announcement_frequency_key, -1);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_noMaxRecordingDist() throws Exception {
+  public void testWithProperties_announcementFrequencyByTime() throws Exception {
-    functionalTest(R.string.max_recording_distance_key, (Object) null);
+    PreferencesUtils.setInt(context, R.string.announcement_frequency_key, 1);
    fullRecordingSession();
  }
  @MediumTest
  public void testWithProperties_maxRecordingDistanceDefault() throws Exception {
    PreferencesUtils.setInt(context, R.string.max_recording_distance_key,
        PreferencesUtils.MAX_RECORDING_DISTANCE_DEFAULT);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_defaultMaxRecordingDist() throws Exception {
+  public void testWithProperties_maxRecordingDistance() throws Exception {
-    functionalTest(R.string.max_recording_distance_key, 5);
+    PreferencesUtils.setInt(context, R.string.max_recording_distance_key, 50);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_noMinRecordingDist() throws Exception {
+  public void testWithProperties_minRecordingDistanceDefault() throws Exception {
-    functionalTest(R.string.min_recording_distance_key, (Object) null);
+    PreferencesUtils.setInt(context, R.string.min_recording_distance_key,
        PreferencesUtils.MIN_RECORDING_DISTANCE_DEFAULT);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_defaultMinRecordingDist() throws Exception {
+  public void testWithProperties_minRecordingDistance() throws Exception {
-    functionalTest(R.string.min_recording_distance_key, 2);
+    PreferencesUtils.setInt(context, R.string.min_recording_distance_key, 2);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_noSplitFreq() throws Exception {
+  public void testWithProperties_splitFrequencyDefault() throws Exception {
-    functionalTest(R.string.split_frequency_key, (Object) null);
+    PreferencesUtils.setInt(context, R.string.split_frequency_key,
        PreferencesUtils.SPLIT_FREQUENCY_DEFAULT);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_defaultSplitFreqByDist() throws Exception {
+  public void testWithProperties_splitFrequencyByDistance() throws Exception {
-    functionalTest(R.string.split_frequency_key, 5);
+    PreferencesUtils.setInt(context, R.string.split_frequency_key, -1);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_defaultSplitFreqByTime() throws Exception {
+  public void testWithProperties_splitFrequencyByTime() throws Exception {
-    functionalTest(R.string.split_frequency_key, -2);
+    PreferencesUtils.setInt(context, R.string.split_frequency_key, 1);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_noMetricUnits() throws Exception {
+  public void testWithProperties_metricUnitsDefault() throws Exception {
-    functionalTest(R.string.metric_units_key, (Object) null);
+    PreferencesUtils.setBoolean(
-  }
+        context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
-
+    fullRecordingSession();
  @MediumTest
  public void testWithProperties_metricUnitsEnabled() throws Exception {
    functionalTest(R.string.metric_units_key, true);
  }
  @MediumTest
  public void testWithProperties_metricUnitsDisabled() throws Exception {
-    functionalTest(R.string.metric_units_key, false);
+    PreferencesUtils.setBoolean(context, R.string.metric_units_key, false);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_noMinRecordingInterval() throws Exception {
+  public void testWithProperties_minRecordingIntervalDefault() throws Exception {
-    functionalTest(R.string.min_recording_interval_key, (Object) null);
+    PreferencesUtils.setInt(context, R.string.min_recording_interval_key,
        PreferencesUtils.MIN_RECORDING_INTERVAL_DEFAULT);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_defaultMinRecordingInterval()
+  public void testWithProperties_minRecordingInterval() throws Exception {
-      throws Exception {
+    PreferencesUtils.setInt(context, R.string.min_recording_interval_key, 2);
-    functionalTest(R.string.min_recording_interval_key, 3);
+    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_noMinRequiredAccuracy() throws Exception {
+  public void testWithProperties_minRequiredAccuracyDefault() throws Exception {
-    functionalTest(R.string.min_required_accuracy_key, (Object) null);
+    PreferencesUtils.setInt(context, R.string.min_required_accuracy_key,
        PreferencesUtils.MIN_REQUIRED_ACCURACY_DEFAULT);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_defaultMinRequiredAccuracy() throws Exception {
+  public void testWithProperties_minRequiredAccuracy() throws Exception {
-    functionalTest(R.string.min_required_accuracy_key, 500);
+    PreferencesUtils.setInt(context, R.string.min_required_accuracy_key, 500);
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_noSensorType() throws Exception {
+  public void testWithProperties_sensorTypeDefault() throws Exception {
-    functionalTest(R.string.sensor_type_key, (Object) null);
+    PreferencesUtils.setString(
        context, R.string.sensor_type_key, context.getString(R.string.sensor_type_value_none));
    fullRecordingSession();
  }
  @MediumTest
-  public void testWithProperties_zephyrSensorType() throws Exception {
+  public void testWithProperties_sensorTypeZephyr() throws Exception {
-    functionalTest(R.string.sensor_type_key,
+    PreferencesUtils.setString(
-        context.getString(R.string.sensor_type_value_zephyr));
+        context, R.string.sensor_type_key, context.getString(R.string.sensor_type_value_zephyr));
    fullRecordingSession();
  }
  private ITrackRecordingService bindAndGetService(Intent intent) {
@@ -647,12 +679,8 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
  }
  private void updateAutoResumePrefs(int attempts, int timeoutMins) {
-    Editor editor = sharedPreferences.edit();
+    PreferencesUtils.setInt(context, R.string.auto_resume_track_current_retry_key, attempts);
-    editor.putInt(context.getString(
+    PreferencesUtils.setInt(context, R.string.auto_resume_track_timeout_key, timeoutMins);
    R.string.auto_resume_track_current_retry_key), attempts);
    editor.putInt(context.getString(
        R.string.auto_resume_track_timeout_key), timeoutMins);
    editor.apply();
  }
  private Intent createStartIntent() {
@@ -665,34 +693,8 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    assertTrue(track.getId() >= 0);
    providerUtils.insertTrack(track);
    assertEquals(track.getId(), providerUtils.getTrack(track.getId()).getId());
-    PreferencesUtils.setRecordingTrackId(context, isRecording ? track.getId() : -1L);
+    PreferencesUtils.setLong(context, R.string.recording_track_id_key, isRecording ? track.getId()
-  }
+        : PreferencesUtils.RECORDING_TRACK_ID_DEFAULT);
  // TODO: We support multiple values for readability, however this test's
  // base class doesn't properly shutdown the service, so it's not possible
  // to pass more than 1 value at a time.
  private void functionalTest(int resourceId, Object ...values)
      throws Exception {
    final String key = context.getString(resourceId);
    for (Object value : values) {
      // Remove all properties and set the property for the given key.
      Editor editor = sharedPreferences.edit();
      editor.clear();
      if (value instanceof String) {
        editor.putString(key, (String) value);
      } else if (value instanceof Long) {
        editor.putLong(key, (Long) value);
      } else if (value instanceof Integer) {
        editor.putInt(key, (Integer) value);
      } else if (value instanceof Boolean) {
        editor.putBoolean(key, (Boolean) value);
      } else if (value == null) {
        // Do nothing, as clear above has already removed this property.
      }
      editor.apply();
      fullRecordingSession();
    }
  }
  private void fullRecordingSession() throws Exception {
@@ -706,7 +708,7 @@ public class TrackRecordingServiceTest extends ServiceTestCase<TestRecordingServ
    Track track = providerUtils.getTrack(id);
    assertNotNull(track);
    assertEquals(id, track.getId());
-    assertEquals(id, PreferencesUtils.getRecordingTrackId(context));
+    assertEquals(id, PreferencesUtils.getLong(context, R.string.recording_track_id_key));
    assertEquals(id, service.getRecordingTrackId());
    // Insert a few points, markers and statistics.
@@ -1,6 +1,7 @@
 package com.google.android.apps.mytracks.services.sensors;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
@@ -10,13 +11,11 @@ import android.test.suitebuilder.annotation.SmallTest;
 public class SensorManagerFactoryTest extends AndroidTestCase {
  private SharedPreferences sharedPreferences;
  @Override
  protected void setUp() throws Exception {
    super.setUp();
-    sharedPreferences = getContext().getSharedPreferences(
+    SharedPreferences sharedPreferences = getContext().getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    // Let's use default values.
    sharedPreferences.edit().clear().apply();
@@ -38,10 +37,7 @@ public class SensorManagerFactoryTest extends AndroidTestCase {
  }
  private void assertClassForName(Class<?> c, int i) {
-    sharedPreferences.edit()
+    PreferencesUtils.setString(getContext(), R.string.sensor_type_key, getContext().getString(i));
        .putString(getContext().getString(R.string.sensor_type_key),
            getContext().getString(i))
        .apply();
    SensorManager sm = SensorManagerFactory.getInstance().getSensorManager(getContext());
    assertNotNull(sm);
    assertTrue(c.isInstance(sm));
@@ -18,6 +18,7 @@ package com.google.android.apps.mytracks.services.sensors.ant;
 import com.dsi.ant.AntMesg;
 import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.Sensor;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 import android.content.Context;
@@ -27,7 +28,6 @@ import android.test.suitebuilder.annotation.SmallTest;
 public class AntDirectSensorManagerTest extends AndroidTestCase {
  private SharedPreferences sharedPreferences;
  private AntSensorBase heartRateSensor;
  private static final byte HEART_RATE_CHANNEL = 0;
@@ -47,7 +47,7 @@ public class AntDirectSensorManagerTest extends AndroidTestCase {
  private AntDirectSensorManager manager;
  public void setUp() {
-    sharedPreferences = getContext().getSharedPreferences(
+    SharedPreferences sharedPreferences = getContext().getSharedPreferences(
        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
    // Let's use default values.
    sharedPreferences.edit().clear().apply();
@@ -87,9 +87,8 @@ public class AntDirectSensorManagerTest extends AndroidTestCase {
    manager.handleMessage(AntMesg.MESG_CHANNEL_ID_ID, buff);
    assertEquals(43, heartRateSensor.getDeviceNumber());
-    assertEquals(43,
+    assertEquals(43, PreferencesUtils.getInt(
-        sharedPreferences.getInt(
+        getContext(), R.string.ant_heart_rate_sensor_id_key, AntSensorManager.WILDCARD));
            getContext().getString(R.string.ant_heart_rate_sensor_id_key), -1));
    assertNull(manager.getSensorDataSet());
  }