我正在開發一款適用於Android的簡單指南針類型應用程序,用於測試Xoom WiFi。加速計讀數的準確度始終爲SensorManager.SENSOR_STATUS_UNRELIABLE
。磁場讀數總是準確的SensorManager.SENSOR_STATUS_ACCURACY_HIGH
。這可能是Xoom中的錯誤,還是我的代碼中存在問題?Android Xoom加速計精度始終不可靠
onCreate:
mSensorManager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
accelGravitySensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
magSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
onResume:
mSensorManager.registerListener(accelListener, accelGravitySensor, SensorManager.SENSOR_DELAY_NORMAL);
mSensorManager.registerListener(magListener, magSensor, SensorManager.SENSOR_DELAY_NORMAL);
private final SensorEventListener accelListener = new SensorEventListener() {
public void onSensorChanged(SensorEvent event) {
Log.d(TAG, "accel (" + event.values[0] + ", " + event.values[1] + ", " + event.values[2] + ") accuracy=" + accuracyTag(event.accuracy));
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {}
};