fromAsync-2.java

public class SensorActivity extends Activity { 
    private static final String LOG_TAG = SensorActivity.class.getName(); 
    private SensorManager sensorManager; 
    private Sensor accelerometer; 
 
    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        sensorManager = (SensorManager)getSystemService(SENSOR_SERVICE); 
        accelerometer = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); 
    } 
 
    protected void onResume() { 
        super.onResume(); 
        sensorManager.registerListener(sensorListener, accelerometer, SensorManager.SENSOR_DELAY_NORMAL); 
    } 
 
    protected void onPause() { 
        super.onPause(); 
        sensorManager.unregisterListener(sensorListener); 
    } 
 
    private final SensorEventListener sensorListener = new SensorEventListener() { 
        @Override 
        public void onSensorChanged(SensorEvent sensorEvent) { 
            Log.d(LOG_TAG, "onSensorChanged() - sensorEvent.timestamp=" + sensorEvent.timestamp + ", sensorEvent.values=" + Arrays.toString(sensorEvent.values)); 
        } 
 
        @Override 
        public void onAccuracyChanged(Sensor sensor, int i) { 
            // ignored for this example 
        } 
    }; 
}