Add a Share data settings

MyTracks/res/values/keys.xml

@@ -38,6 +38,7 @@ limitations under the License.
   <string name="send_to_my_maps_key">sendToMyMaps</string>
   <string name="send_to_fusion_tables_key">sendToFusionTables</string>
   <string name="sensor_type_key">sensorType</string>
+  <string name="share_data_key">shareData</string>
   <string name="share_url_only_key">shareUrlOnly</string>
   <string name="split_frequency_key">splitFrequency</string>
   <string name="timestamp_track_name_key">timestampTrackName</string>

MyTracks/res/values/strings.xml

@@ -235,6 +235,12 @@ limitations under the License.
   <string name="settings_report_speed_or_pace_summary_on">Speed will be displayed</string>
   <string name="settings_report_speed_or_pace_summary_off">Pace will be displayed</string>
 
+  <string name="settings_share_data">Share data</string>
+  <string name="settings_share_data_summary_on">Other installed apps will be able to read and write
+          MyTracks data, including starting/stopping a recording.</string>
+  <string name="settings_share_data_summary_off">MyTracks data is not shared with any installed app.
+          </string>
+
   <string name="settings_share_url_only">Share only URL</string>
   <string name="settings_share_url_only_summary_on">Only the URL of the map will be sent when sharing</string>
   <string name="settings_share_url_only_summary_off">The contents of the track will also be included when sharing</string>

MyTracks/res/xml/preferences.xml

@@ -209,6 +209,13 @@ limitations under the License.
         android:summaryOn="@string/settings_share_url_only_summary_on"
         android:summaryOff="@string/settings_share_url_only_summary_off"
         android:defaultValue="false" />
+
+    <CheckBoxPreference
+        android:key="@string/share_data_key"
+        android:title="@string/settings_share_data"
+        android:summaryOn="@string/settings_share_data_summary_on"
+        android:summaryOff="@string/settings_share_data_summary_off"
+        android:defaultValue="false" />
   </PreferenceScreen>
 
   <!-- Backup settings -->