programming with sensors

 class implements SensorEventListener

SensorManager sm=(SensorManager) getSystemService(Context.SENSOR_SERVICE);if(    sm.getSensorList(Sensor.TYPE_ACCELEROMETER).size()!=0)
{
    Sensor s=sm.getSensorList(Sensor.TYPE_ACCELEROMETER).get(0);    sm.registerListener(this,s,SensorManager.SENSOR_DELAY_NORMAL);}

in the function public void onSensorChanged(SensorEvent event)

Sensor ss=event.sensor;

if(ss.getType()==Sensor.TYPE_ACCELEROMETER){
senx=event.values[0];seny=event.values[1];senz=event.values[2];