Android: Accelerometer + Gyroscope

summary:

1. import android.hardware.*;
2. SensorManager mSensorManager;
3. Sensor accSensor, gyroSensor;
4. mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
5. accSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
6. gyroSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
7. implements SensorEventListener 
8. public void onSensorChanged(SensorEvent event) { ... }
9. mSensorManager.registerListener(this, accSensor, SensorManager.SENSOR_DELAY_UI);
10. mSensorManager.registerListener(this, gyroSensor, SensorManager.SENSOR_DELAY_UI);
11. get the x, y, z values using event.values[0], [1], [2] in the onSensorChanged method
12. mSensorManager.unregisterListener(this, accSensor);
13. mSensorManager.unregisterListener(this, gyroSensor);