How do I use the Android Accelerometer?

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逝去的感伤
逝去的感伤 2020-11-30 23:22

I\'m trying to build an app for reading the values from the accelerometer on my phone, which supports Android 2.1 only.

How do I read from the accelerometer using 2

3条回答
  •  既然无缘
    2020-12-01 00:18

    Start with this:

    public class yourActivity extends Activity implements SensorEventListener{
     private SensorManager sensorManager;
     double ax,ay,az;   // these are the acceleration in x,y and z axis
     @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
            sensorManager=(SensorManager) getSystemService(SENSOR_SERVICE);
            sensorManager.registerListener(this, sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_NORMAL);
       }
       @Override
       public void onAccuracyChanged(Sensor arg0, int arg1) {
       }
    
       @Override
       public void onSensorChanged(SensorEvent event) {
            if (event.sensor.getType()==Sensor.TYPE_ACCELEROMETER){
                ax=event.values[0];
                        ay=event.values[1];
                        az=event.values[2];
                }
       }
    }
    

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