protected override void OnResume()
{
try
{
this.logDebug(LogLevel.Verbose, "Entering OnResume");
lastGpsEvent_debug = GpsEvent.Stopped;
base.OnResume();
logDebug(LogLevel.Verbose, "RESUMED");
LocationManager lm = (LocationManager)GetSystemService(Context.LocationService);
lm.AddGpsStatusListener(this);
if (updateReadiness()) // gps could be switched meanwhile
{
showAlarm("running", Android.Graphics.Color.GreenYellow);
ServiceReceiver.SendInfoRequest(this);
}
this.logDebug(LogLevel.Verbose, "Done OnResume");
}
catch (Exception ex)
{
this.logDebug(LogLevel.Error, "OnResume " + ex.ToString());
}
}
public override void OnBackPressed()
{
Preferences.Save(this, new Preferences()
{
UseVibration = vibrateCheckBox.Checked,
OffTrackAlarmDistance = int.Parse(distanceEditText.Text),
OffTrackAlarmInterval = TimeSpan.FromSeconds(int.Parse(offTrackIntervalEditText.Text)),
NoGpsAlarmAgainInterval = TimeSpan.FromMinutes(int.Parse(this.noGpsIntervalEditText.Text)),
NoGpsAlarmFirstTimeout = TimeSpan.FromSeconds(int.Parse(this.noGpsTimeoutEditText.Text)),
DistanceAudioVolume = this.distanceSettings.Volume,
DistanceAudioFileName = this.distanceSettings.AudioFileName,
GpsLostAudioVolume = this.gpsLostSettings.Volume,
GpsLostAudioFileName = this.gpsLostSettings.AudioFileName,
GpsOnAudioVolume = this.gpsOnSettings.Volume,
GpsOnAudioFileName = this.gpsOnSettings.AudioFileName,
});
this.gpsLostSettings.Destroy();
this.distanceSettings.Destroy();
this.gpsOnSettings.Destroy();
ServiceReceiver.SendUpdatePrefs(this);
base.OnBackPressed();
}
public static ServiceReceiver Create(Context context)
{
var receiver = new ServiceReceiver();
var filter = new IntentFilter();
filter.AddAction(Message.Prefs);
filter.AddAction(Message.Req);
context.RegisterReceiver(receiver, filter);
return(receiver);
}
public override StartCommandResult OnStartCommand(Intent intent, [GeneratedEnum] StartCommandFlags flags, int startId)
{
this.serviceLog.Value = new LogFile(this, "service.log", DateTime.UtcNow.AddDays(-2));
this.handler = new HandlerThread("GPSHandler");
this.handler.Start();
this.trackSegments.Value = readGpx(Preferences.LoadTrackFileName(this));
logDebug(LogLevel.Verbose, trackSegments.Value.Count.ToString() + " segs, with "
+ trackSegments.Value.Select(it => it.TrackPoints.Count()).Sum() + " points");
#if MOCK
this.locationManager = new LocationManagerMock(trackSegments.Value.First().TrackPoints.EndPoint);
#else
this.locationManager = (LocationManager)GetSystemService(Context.LocationService);
#endif
loadPreferences();
{ // start tracking
this.lastAlarmAt = 0;
this.statistics.Reset();
locationManager.RequestLocationUpdates(LocationManager.GpsProvider, 0, 0, this, this.handler.Looper);
}
// push Android to update us with gps positions
getLastKnownPosition();
this.signalTimer.Value = new SignalTimer(logDebug,
() => prefs.Value.NoGpsAlarmFirstTimeout,
() => prefs.Value.NoGpsAlarmAgainInterval,
() => alarms.Go(Alarm.PositiveAcknowledgement),
() =>
{
logDebug(LogLevel.Verbose, "gps off");
MainReceiver.SendAlarm(this, Message.NoSignalText);
alarms.Go(Alarm.GpsLost);
// weird, but RequestLocationUpdates does not force GPS provider to actually start providing updates
// thus such try -- we will see if requesting single update will start it
getLastKnownPosition();
// this gets OK location but is to weak to force GPS to start updating, if above will not work
// we would have to manually request update one after another and rework alarms
//this.locationManager.RequestSingleUpdate(LocationManager.GpsProvider, this, this.handler.Looper);
});
this.receiver = ServiceReceiver.Create(this);
receiver.UpdatePrefs += Receiver_UpdatePrefs;
receiver.InfoRequest += Receiver_InfoRequest;
logDebug(LogLevel.Info, "service started (+testing log)");
return(StartCommandResult.Sticky);
}
public override void OnDestroy()
{
try
{
logDebug(LogLevel.Info, "destroying service");
this.signalTimer.Value.Dispose();
logDebug(LogLevel.Verbose, "removing events handlers");
this.receiver.UpdatePrefs -= Receiver_UpdatePrefs;
this.receiver.InfoRequest -= Receiver_InfoRequest;
logDebug(LogLevel.Verbose, "unregistering receiver");
UnregisterReceiver(this.receiver);
this.receiver = null;
logDebug(LogLevel.Verbose, "removing GPS updates");
locationManager.RemoveUpdates(this);
logDebug(LogLevel.Verbose, "disposing alarms");
this.alarms.Dispose();
logDebug(LogLevel.Verbose, "disposing handler");
this.handler.Dispose();
logDebug(LogLevel.Verbose, "service destroyed " + statistics.ToString());
this.serviceLog.Value.Dispose();
base.OnDestroy();
}
catch (Exception ex)
{
logDebug(LogLevel.Error, $"exception during destroying service {ex}");
}
}
