ANDROID_MARS学习笔记_S05_002_给传感器注册listener

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 @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);
         //获取SensorManager对象
         sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
         //获取光线传感器对象
         Sensor lightSensor = sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);

         //注册传感器
         sensorManager.registerListener(new SensorEventListener() {

             public void onSensorChanged(SensorEvent event) {
                 float acc = event.accuracy;
                 float lux = event.values[0];
                 System.out.println("acc---->" + acc);
                 System.out.println("lux---->" + lux);
             }

             public void onAccuracyChanged(Sensor sensor,
                     int accuracy) {

             }
         }, lightSensor, SensorManager.SENSOR_DELAY_NORMAL);
     }