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cleaning up the tracker service a bit

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y20k 2020-02-06 15:55:15 +01:00
parent 9adeb0e807
commit 063d84e39f
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GPG key ID: 824D4259F41FAFF6
1 changed files with 81 additions and 27 deletions
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92
app/src/main/java/org/y20k/trackbook/TrackerService.kt
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@ -66,6 +66,7 @@ class TrackerService(): Service(), CoroutineScope, SensorEventListener {
var track: Track = Track()
var gpsLocationListenerRegistered: Boolean = false
var networkLocationListenerRegistered: Boolean = false
var bound: Boolean = false
private val binder = LocalBinder()
private val handler: Handler = Handler()
private lateinit var locationManager: LocationManager
@ -110,25 +111,16 @@ class TrackerService(): Service(), CoroutineScope, SensorEventListener {
if (intent == null) {
if (trackingState == Keys.STATE_TRACKING_ACTIVE) {
LogHelper.w(TAG, "Trackbook has been killed by the operating system. Trying to resume recording.")
addGpsLocationListener()
addNetworkLocationListener()
resumeTracking()
}
// ACTION STOP
} else if (Keys.ACTION_STOP == intent.action) {
// TODO - do not remove when app is in foreground
removeGpsLocationListener()
removeNetworkLocationListener()
stopTracking()
// ACTION START
} else if (Keys.ACTION_START == intent.action) {
addGpsLocationListener()
addNetworkLocationListener()
startTracking()
// ACTION RESUME
} else if (Keys.ACTION_RESUME == intent.action) {
addGpsLocationListener()
addNetworkLocationListener()
resumeTracking()
}
@ -139,21 +131,53 @@ class TrackerService(): Service(), CoroutineScope, SensorEventListener {
/* Overrides onBind from Service */
override fun onBind(p0: Intent?): IBinder? {
LogHelper.e(TAG, "onBind called.") // todo remove
bound = true
// start receiving location updates
addGpsLocationListener()
addNetworkLocationListener()
// return reference to this service
return binder
}
/* Overrides onRebind from Service */
override fun onRebind(intent: Intent?) {
LogHelper.e(TAG, "onRebind called.") // todo remove
bound = true
// start receiving location updates
addGpsLocationListener()
addNetworkLocationListener()
}
/* Overrides onUnbind from Service */
override fun onUnbind(intent: Intent?): Boolean {
LogHelper.e(TAG, "onUnbind called.") // todo remove
bound = false
// stop receiving location updates - if not tracking
if (trackingState != Keys.STATE_TRACKING_ACTIVE) {
removeGpsLocationListener()
removeNetworkLocationListener()
}
// ensures onRebind is called
return true
}
/* Overrides onDestroy from Service */
override fun onDestroy() {
super.onDestroy()
LogHelper.i(TAG, "onDestroy called.")
// stop tracking
if (trackingState == Keys.STATE_TRACKING_ACTIVE) stopTracking()
// remove notification
stopForeground(true)
// stop listening for changes in shared preferences
PreferenceManager.getDefaultSharedPreferences(this).unregisterOnSharedPreferenceChangeListener(sharedPreferenceChangeListener)
// stop receiving location updates
removeGpsLocationListener()
removeNetworkLocationListener()
// cancel background job
backgroundJob.cancel()
}
@ -196,6 +220,10 @@ class TrackerService(): Service(), CoroutineScope, SensorEventListener {
/* Start tracking location */
fun startTracking(newTrack: Boolean = true) {
// start receiving location updates
addGpsLocationListener()
addNetworkLocationListener()
// set up new track
if (newTrack) {
track = Track()
track.recordingStart = GregorianCalendar.getInstance().time
@ -203,21 +231,32 @@ class TrackerService(): Service(), CoroutineScope, SensorEventListener {
track.name = DateTimeHelper.convertToReadableDate(track.recordingStart)
stepCountOffset = 0f
}
// set state
trackingState = Keys.STATE_TRACKING_ACTIVE
PreferencesHelper.saveTrackingState(this, trackingState)
// start recording steps and location fixes
startStepCounter()
handler.postDelayed(periodicTrackUpdate, 0)
// show notification
startForeground(Keys.TRACKER_SERVICE_NOTIFICATION_ID, displayNotification())
}
/* Stop tracking location */
fun stopTracking() {
// stop receiving location updates - if app is not bound (= visible)
if (!bound) {
removeGpsLocationListener()
removeGpsLocationListener()
}
// save state
track.recordingStop = GregorianCalendar.getInstance().time
trackingState = Keys.STATE_TRACKING_STOPPED
PreferencesHelper.saveTrackingState(this, trackingState)
// stop recording steps and location fixes
sensorManager.unregisterListener(this)
handler.removeCallbacks(periodicTrackUpdate)
// update notification
displayNotification()
stopForeground(false)
}
@ -281,33 +320,49 @@ class TrackerService(): Service(), CoroutineScope, SensorEventListener {
/* Adds a GPS location listener to location manager */
fun addGpsLocationListener() {
private fun addGpsLocationListener() {
// check if already registered
if (!gpsLocationListenerRegistered) {
// check if Network provider is available
if (gpsProviderActive) {
// check for location permission
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
if (gpsProviderActive && !gpsLocationListenerRegistered) {
// adds GPS location listener
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0f,gpsLocationListener)
gpsLocationListenerRegistered = true
LogHelper.v(TAG, "Added GPS location listener.")
} else {
LogHelper.w(TAG, "Unable to add GPS location listener. Location permission is not granted.")
}
} else {
LogHelper.w(TAG, "Unable to add GPS location listener.")
}
} else {
LogHelper.w(TAG, "Unable to request device location. Permission is not granted.")
LogHelper.v(TAG, "Skipping registration. GPS location listener has already been added.")
}
}
/* Adds a Network location listener to location manager */
fun addNetworkLocationListener() {
private fun addNetworkLocationListener() {
// check if already registered
if (!networkLocationListenerRegistered) {
// check if Network provider is available
if (networkProviderActive && !gpsOnly) {
// check for location permission
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
if (networkProviderActive && !gpsOnly &&!networkLocationListenerRegistered) {
// adds Network location listener
locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0f, networkLocationListener)
networkLocationListenerRegistered = true
LogHelper.v(TAG, "Added Network location listener.")
} else {
LogHelper.w(TAG, "Unable to add Network location listener. Location permission is not granted.")
}
} else {
LogHelper.w(TAG, "Unable to add Network location listener.")
}
} else {
LogHelper.w(TAG, "Unable to request device location. Permission is not granted.")
LogHelper.v(TAG, "Skipping registration. Network location listener has already been added.")
}
}
@ -359,7 +414,7 @@ class TrackerService(): Service(), CoroutineScope, SensorEventListener {
*/
private val sharedPreferenceChangeListener = SharedPreferences.OnSharedPreferenceChangeListener { sharedPreferences, key ->
when (key) {
// preference "Restrict to GPS"
Keys.PREF_GPS_ONLY -> {
gpsOnly = PreferencesHelper.loadGpsOnly(this@TrackerService)
when (gpsOnly) {
@ -367,15 +422,14 @@ class TrackerService(): Service(), CoroutineScope, SensorEventListener {
false -> addNetworkLocationListener()
}
}
// preference "Use Imperial Measurements"
Keys.PREF_USE_IMPERIAL_UNITS -> {
useImperial = PreferencesHelper.loadUseImperialUnits(this@TrackerService)
}
// preference "Accuracy Threshold"
Keys.PREF_LOCATION_ACCURACY_THRESHOLD -> {
locationAccuracyThreshold = PreferencesHelper.loadAccuracyThreshold(this@TrackerService)
}
}
}
/*