Code example for FragmentActivity

Methods: getSystemService, onStart

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        } 
    } 
     
    @Override 
    protected void onStart() { 
        super.onStart(); 
 
        // Check if the GPS setting is currently enabled on the device. 
        // This verification should be done during onStart() because the system calls this method 
        // when the user returns to the activity, which ensures the desired location provider is 
        // enabled each time the activity resumes from the stopped state. 
        LocationManager mLocationManager =
                (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        final boolean gpsEnabled = mLocationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
 
        if (!gpsEnabled) {
        	Util.createGpsDisabledAlert(this);
        } 
                 
    }