forked from upstream-mirrors/OpenTracks
Added widget for displaying track stats and starting/stopping tracks.
Added track update broadcast to TrackRecordingService. Added start and end track actions to TrackRecordingService.
This commit is contained in:
saxman
@@ -0,0 +1,186 @@
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/*
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* Copyright 2010 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.google.android.apps.mytracks.services;
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import com.google.android.apps.mytracks.Constants;
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import com.google.android.maps.mytracks.R;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
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import android.util.Log;
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/**
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* A class that manages reading the shared preferences for the service.
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*
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* @author Sandor Dornbush
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*/
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public class PreferenceManager implements OnSharedPreferenceChangeListener {
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private TrackRecordingService service;
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private SharedPreferences sharedPreferences;
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private final String announcementFrequencyKey;
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private final String autoResumeTrackCurrentRetryKey;
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private final String autoResumeTrackTimeoutKey;
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private final String maxRecordingDistanceKey;
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private final String metricUnitsKey;
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private final String minRecordingDistanceKey;
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private final String minRecordingIntervalKey;
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private final String minRequiredAccuracyKey;
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private final String recordingTrackKey;
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private final String splitFrequencyKey;
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public PreferenceManager(TrackRecordingService service) {
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this.service = service;
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this.sharedPreferences = service.getSharedPreferences(
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Constants.SETTINGS_NAME, 0);
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if (sharedPreferences == null) {
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Log.w(Constants.TAG,
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"TrackRecordingService: Couldn't get shared preferences.");
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throw new IllegalStateException("Couldn't get shared preferences");
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}
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sharedPreferences.registerOnSharedPreferenceChangeListener(this);
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announcementFrequencyKey =
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service.getString(R.string.announcement_frequency_key);
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autoResumeTrackCurrentRetryKey =
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service.getString(R.string.auto_resume_track_current_retry_key);
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autoResumeTrackTimeoutKey =
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service.getString(R.string.auto_resume_track_timeout_key);
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maxRecordingDistanceKey =
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service.getString(R.string.max_recording_distance_key);
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metricUnitsKey =
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service.getString(R.string.metric_units_key);
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minRecordingDistanceKey =
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service.getString(R.string.min_recording_distance_key);
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minRecordingIntervalKey =
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service.getString(R.string.min_recording_interval_key);
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minRequiredAccuracyKey =
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service.getString(R.string.min_required_accuracy_key);
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recordingTrackKey =
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service.getString(R.string.recording_track_key);
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splitFrequencyKey =
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service.getString(R.string.split_frequency_key);
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// Refresh all properties.
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onSharedPreferenceChanged(sharedPreferences, null);
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}
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/**
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* Notifies that preferences have changed.
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* Call this with key == null to update all preferences in one call.
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*
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* @param key the key that changed (may be null to update all preferences)
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*/
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@Override
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public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
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String key) {
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if (service == null) {
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Log.w(Constants.TAG,
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"onSharedPreferenceChanged: a preference change (key = " + key
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+ ") after a call to shutdown()");
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return;
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}
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if (key == null || key.equals(minRecordingDistanceKey)) {
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service.setMinRecordingDistance(
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sharedPreferences.getInt(
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minRecordingDistanceKey,
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Constants.DEFAULT_MIN_RECORDING_DISTANCE));
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Log.d(Constants.TAG,
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"TrackRecordingService: minRecordingDistance = "
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+ service.getMinRecordingDistance());
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}
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if (key == null || key.equals(maxRecordingDistanceKey)) {
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service.setMaxRecordingDistance(sharedPreferences.getInt(
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maxRecordingDistanceKey,
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Constants.DEFAULT_MAX_RECORDING_DISTANCE));
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}
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if (key == null || key.equals(minRecordingIntervalKey)) {
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int minRecordingInterval = sharedPreferences.getInt(
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minRecordingIntervalKey,
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Constants.DEFAULT_MIN_RECORDING_INTERVAL);
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switch (minRecordingInterval) {
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case -2:
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// Battery Miser
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// min: 30 seconds
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// max: 5 minutes
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// minDist: 5 meters Choose battery life over moving time accuracy.
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service.setLocationListenerPolicy(
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new AdaptiveLocationListenerPolicy(30000, 300000, 5));
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break;
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case -1:
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// High Accuracy
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// min: 1 second
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// max: 30 seconds
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// minDist: 0 meters get all updates to properly measure moving time.
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service.setLocationListenerPolicy(
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new AdaptiveLocationListenerPolicy(1000, 30000, 0));
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break;
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default:
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service.setLocationListenerPolicy(
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new AbsoluteLocationListenerPolicy(minRecordingInterval * 1000));
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}
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}
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if (key == null || key.equals(minRequiredAccuracyKey)) {
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service.setMinRequiredAccuracy(sharedPreferences.getInt(
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minRequiredAccuracyKey,
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Constants.DEFAULT_MIN_REQUIRED_ACCURACY));
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}
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if (key == null || key.equals(announcementFrequencyKey)) {
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service.setAnnouncementFrequency(
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sharedPreferences.getInt(announcementFrequencyKey, -1));
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}
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if (key == null || key.equals(autoResumeTrackTimeoutKey)) {
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service.setAutoResumeTrackTimeout(sharedPreferences.getInt(
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autoResumeTrackTimeoutKey,
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Constants.DEFAULT_AUTO_RESUME_TRACK_TIMEOUT));
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}
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if (key == null || key.equals(recordingTrackKey)) {
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long recordingTrackId = sharedPreferences.getLong(recordingTrackKey, -1);
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// Only read the id if it is valid.
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// Setting it to -1 should only happen in
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// TrackRecordingService.endCurrentTrack()
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if (recordingTrackId > 0) {
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service.setRecordingTrackId(recordingTrackId);
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}
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}
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if (key == null || key.equals(splitFrequencyKey)) {
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service.setSplitFrequency(
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sharedPreferences.getInt(splitFrequencyKey, 0));
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}
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if (key == null || key.equals(metricUnitsKey)) {
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service.setMetricUnits(
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sharedPreferences.getBoolean(metricUnitsKey, true));
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}
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}
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public void setAutoResumeTrackCurrentRetry(int retryAttempts) {
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sharedPreferences
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.edit()
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.putInt(autoResumeTrackCurrentRetryKey, retryAttempts)
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.commit();
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}
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public void setRecordingTrack(long id) {
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sharedPreferences
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.edit()
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.putLong(recordingTrackKey, id)
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.commit();
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}
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public void shutdown() {
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sharedPreferences.unregisterOnSharedPreferenceChangeListener(this);
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service = null;
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}
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}
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