void InitSensor()
{
locationManager = Application.Context.GetSystemService(Context.LocationService) as LocationManager;
DeviceDebugAndroid.LogToFileStatic("gps sensor requested");
if (locationManager != null)
{
if (locationManager.IsProviderEnabled(LocationManager.GpsProvider))
{
locationManager.RequestLocationUpdates(LocationManager.GpsProvider, 0, 0, this);
locationManager.AddGpsStatusListener(this);
location = locationManager.GetLastKnownLocation(LocationManager.GpsProvider);
status = IDeviceGpsStatus.Requested;
DeviceDebugAndroid.LogToFileStatic("gps sensor init ok");
}
else
{
status = IDeviceGpsStatus.Disabled;
DeviceDebugAndroid.LogToFileStatic("ERROR: gps sensor not enabled");
}
}
else
{
status = IDeviceGpsStatus.Disabled;
DeviceDebugAndroid.LogToFileStatic("ERROR: gps locationManager is null");
}
}
public void OnStatusChanged(string provider, Availability status, Android.OS.Bundle extras) // ILocationListener
{
if (status != Availability.Available)
{
this.status = IDeviceGpsStatus.Stopped;
}
//DeviceDebugAndroid.LogToFileMethodStatic(status.ToString());
}
public void DeInit() // IDeviceGps
{
if (locationManager != null)
{
locationManager.RemoveUpdates(this);
locationManager.RemoveGpsStatusListener(this);
locationManager = null;
}
if (location != null)
{
location.Reset();
location = null;
}
listener = null;
gpsStatus = null;
status = IDeviceGpsStatus.ShutOff;
}
public void OnGpsStatusChanged(GpsEvent e) // GpsStatus.IListener
{
if (locationManager != null)
{
gpsStatus = locationManager.GetGpsStatus(gpsStatus);
switch (e)
{
case GpsEvent.FirstFix:
status = IDeviceGpsStatus.FirstFix;
DeviceDebugAndroid.LogToFileMethodStatic("gps: " + status.ToString());
break;
case GpsEvent.SatelliteStatus:
if (gpsStatus != null)
{
gpsSatellitesVisible = 0;
gpsSatellitesUsedInFix = 0;
gpsSatellitesWithEphemeris = 0;
gpsSatellitesWithAlmanac = 0;
var satellites = gpsStatus.Satellites;
if (satellites != null)
{
Java.Util.IIterator iterator = satellites.Iterator();
{
while (iterator.HasNext)
{
gpsSatellitesVisible++;
var s = (GpsSatellite)iterator.Next();
if (s.UsedInFix())
{
gpsSatellitesUsedInFix++;
}
if (s.HasEphemeris)
{
gpsSatellitesWithEphemeris++;
}
if (s.HasAlmanac)
{
gpsSatellitesWithAlmanac++;
}
}
}
if (gpsSatellitesUsedInFix > 3)
{
status = IDeviceGpsStatus.Connected;
}
}
}
break;
case GpsEvent.Started:
status = IDeviceGpsStatus.Started;
DeviceDebugAndroid.LogToFileMethodStatic("gps: " + status.ToString());
break;
case GpsEvent.Stopped:
status = IDeviceGpsStatus.Stopped;
DeviceDebugAndroid.LogToFileMethodStatic("gps: " + status.ToString());
break;
}
if (listener != null)
{
listener.OnGpsStatusUpdate();
}
}
}
public void OnProviderEnabled(string provider) // ILocationListener
{
status = IDeviceGpsStatus.Enabled;
DeviceDebugAndroid.LogToFileMethodStatic(status.ToString());
}
