Seismic.java

MainActivity.java

class MainActivity extends Activity implements ShakeDetector.Listener {

    ShakeDetector sd;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.layout_home);

        sd = new ShakeDetector(this);

    }

    @Override
    protected void onResume() {
        super.onResume();
        SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
        sd.start(sensorManager);
    }

    @Override
    protected void onPause() {
        super.onPause();
        sd.stop();
    }

    @Override
    public void hearShake() {
        showMessage("Shake!!!");
    }
}