Eingeschlossen im Manifest erhalten:Kann nicht meine Position in der App Karte
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
Der Aktivitätscode:
public class ActivityLogin extends AppCompatActivity {
public static LocationManager mLocationManager;
public static MyLocationListener locationListener = new MyLocationListener();
//...
@Override
protected void onCreate(Bundle savedInstanceState) {
// ...
ActivityCompat.requestPermissions(ActivityLogin.this,
new String[] {
Manifest.permission.ACCESS_FINE_LOCATION
},
2);
// ...
@Override
public void onRequestPermissionsResult(int requestCode,
String permissions[], int[] grantResults) {
switch (requestCode) {
case 2:
{
// If request is cancelled, the result arrays are empty.
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10 * 1000, 0, locationListener);
mLocationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 10 * 1000, 0, locationListener);
mLocationManager.requestLocationUpdates(LocationManager.PASSIVE_PROVIDER, 10 * 1000, 0, locationListener);
}
return;
}
}
}
}
}
public class MyLocationListener implements LocationListener {
public void onLocationChanged(Location location) {
MapsActivity.Mylocation = new LatLng(
location.getLatitude(), location.getLongitude());
}
public void onProviderDisabled(String provider) {
// ...
}
public void onProviderEnabled(String provider) {
// ...
Location location = ActivityLogin.mLocationManager
.getLastKnownLocation(provider);
if (location != null) {
MapsActivity.Mylocation = new LatLng(
location.getLatitude(), location.getLongitude());
}
}
public void onStatusChanged(String provider, int status, Bundle extras) {
// ...
}
}
Als Ergebnis der Veranstaltung onLocationChanged
nicht auftritt. Wenn ich wifi aus- und wieder einschalte, tritt das Ereignis onProviderEnabled
auf und ActivityLogin.mLocationManager.getLastKnownLocation(provider)
gibt null
zurück.
Am Ende kann ich meine Koordinaten nicht bekommen.