public void OnLocationChanged(Location location)
{
logDebug(LogLevel.Verbose, $"new loc {locationToString(location)}");
if (!statistics.CanUpdate())
{
// don't alarm because we have already computing distance and it will sends the proper info
// about if GPS-on alarm is OK
this.signalTimer.Value.Update(canAlarm: false);
return;
}
double dist = 0;
try
{
dist = updateLocation(location);
}
finally
{
// alarm about GPS only if there is no off-track alarm
this.signalTimer.Value.Update(canAlarm: dist <= 0);
statistics.UpdateCompleted(dist, location.Accuracy);
MainReceiver.SendDistance(this, statistics.SignedDistance);
}
}
public static MainReceiver Create(Context context)
{
var receiver = new MainReceiver();
var filter = new IntentFilter();
filter.AddAction(Message.Dbg);
filter.AddAction(Message.Dist);
filter.AddAction(Message.Alarm);
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);
}
private void logDebug(LogLevel level, string message)
{
try
{
logLocal(level, message);
MainReceiver.SendDebug(this, message);
}
catch (Exception ex)
{
Common.Log($"CRASH logDebug {ex}");
}
}
private void Receiver_InfoRequest(object sender, EventArgs e)
{
logLocal(LogLevel.Verbose, "Received info request");
if (this.signalTimer.Value.HasGpsSignal)
{
MainReceiver.SendDistance(this, statistics.SignedDistance);
}
else
{
MainReceiver.SendAlarm(this, Message.NoSignalText);
}
}
protected override void OnCreate(Bundle bundle)
{
try
{
// https://stackoverflow.com/questions/704311/android-how-do-i-investigate-an-anr
// https://stackoverflow.com/questions/5513457/anr-keydispatchingtimedout-error/5513623#5513623
StrictMode.SetThreadPolicy(new StrictMode.ThreadPolicy.Builder()
.DetectAll()
.PenaltyLog()
.Build());
StrictMode.SetVmPolicy(new StrictMode.VmPolicy.Builder()
.DetectAll()
.PenaltyLog()
.Build());
base.OnCreate(bundle);
this.debugMode = Common.IsDebugMode(this);
this.log_writer = new LogFile(this, "app.log", DateTime.UtcNow.AddDays(-2));
logDebug(LogLevel.Info, "app started (+testing log)");
this.radarIntent = new Intent(this, typeof(RadarService));
SetContentView(Resource.Layout.Main);
this.enableButton = FindViewById <Button>(Resource.Id.EnableButton);
this.trackFileNameTextView = FindViewById <TextView>(Resource.Id.TrackFileNameTextView);
this.gpsInfoTextView = FindViewById <TextView>(Resource.Id.GpsInfoTextView);
this.trackInfoTextView = FindViewById <TextView>(Resource.Id.TrackInfoTextView);
this.alarmInfoTextView = FindViewById <TextView>(Resource.Id.AlarmInfoTextView);
this.infoTextView = FindViewById <TextView>(Resource.Id.InfoTextView);
this.adapter = new ArrayAdapter <string>(this, Resource.Layout.ListViewItem, new List <string>());
ListAdapter = this.adapter;
this.trackButton = FindViewById <Button>(Resource.Id.TrackButton);
this.enableButton.Click += EnableButtonClicked;
this.trackButton.Click += trackSelectionClicked;
this.receiver = MainReceiver.Create(this);
this.receiver.DistanceUpdate += Receiver_DistanceUpdate;
this.receiver.AlarmUpdate += Receiver_AlarmUpdate;
this.receiver.DebugUpdate += Receiver_DebugUpdate;
this.logDebug(LogLevel.Verbose, "Done OnCreate");
}
catch (Exception ex)
{
this.logDebug(LogLevel.Error, "OnCreate " + ex.ToString());
}
}
