@Override
public void onDestroy() {
currentState = STATE_DISCONNECTING;
if (sensorsManager != null) {
sensorsManager.disconnectFromSensors();
sensorsManager.removeRecordDataListener(this);
}
if (wakeLock != null
&& wakeLock
.isHeld()) { // True if the wakeLock has been instantiated and is currently being used
wakeLock.release();
Log.d(TAG, "WakeLock released");
}
// Set the static variables back to their fail-safe defaults, as they will persist
useWakeLock = false;
currentState = STATE_NOT_CONNECTED;
if (uiMessageHandler != null) {
uiMessageHandler.sendEmptyMessage(
SensorsManager
.MESSAGE_TYPE_DISCONNECTION_COMPLETE); // Inform the handler that disconnection is
// complete
// Do this here as the child service may have already removed the event listener
}
super.onDestroy();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
currentState = STATE_CONNECTING;
if (useWakeLock) {
powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
wakeLock =
powerManager.newWakeLock(
PowerManager.PARTIAL_WAKE_LOCK | PowerManager.ON_AFTER_RELEASE, TAG);
wakeLock.acquire();
Log.d(TAG, "WakeLock acquired");
}
if (sensorsManager != null) {
// sensorsManager.requestAllDataTypes(); //And all data types
sensorsManager.connectToAvailableSensors(); // Connect to the sensors
sensorsManager.addRecordDataListener(this);
} else {
Log.e(TAG, "CRITICAL ERROR, SENSORS MANAGER NOT SET");
currentState = STATE_NOT_CONNECTED;
stopSelf(); // We cannot continue without a SensorsManager
}
// We don't want the OS to restart this service on its own
return START_NOT_STICKY;
}
/**
* Signals to the {@link SensorsManager} that it should stop recording sensor data. This will not
* disconnect from the sensors, that is done when the service is destroyed.
*/
public static void stopRecordingFromSensors() {
if (currentState == STATE_RECORDING && sensorsManager != null) {
sensorsManager.stopRecordingFromSensors();
currentState = STATE_CONNECTED;
}
}
public static void startRecordingFromSensors(File dataLoggingDirectory) {
if (currentState == STATE_CONNECTED && sensorsManager != null) {
sensorsManager.startRecordingFromSensors(dataLoggingDirectory);
currentState = STATE_RECORDING;
}
}