Android: Check for GPS Provider is enabled, when not start Setting Activity to activate GPS

CheckGPSProvider.java

if (!((LocationManager) getSystemService(LOCATION_SERVICE)).isProviderEnabled(LocationManager.GPS_PROVIDER)) {
		Toast.makeText(getApplicationContext(), R.string.activate_gps, Toast.LENGTH_LONG).show();
		startActivity(new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS));
}