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感測器(一)
- 感測器也是個服務
SensorManager SM = (SensorManager)
getSystemService(SENSOR_SERVICE);
- 註冊Listener: SensorEventListener
List sensors = SM.getSensorList(Sensor.TYPE_ALL);
int i;Sensor sn;
for (i=0;i<sensors.size();i++)
{sn=(Sensor) sensors.get(i);
if (sn.getType()==Sensor.TYPE_ACCELEROMETER)
{ SM.registerListener(this, (Sensor) sensors.get(i), SensorManager.SENSOR_DELAY_GAME);
//SENSOR_DELAY_NORMAL SENSOR_DELAY_GAME SENSOR_DELAY_FASTEST SENSOR_DELAY_UI SENSOR_DELAY_GAME
}
}