我正在开发一款适用于Android的简单指南针类型应用程序,用于测试Xoom WiFi。加速计读数的准确度始终为SensorManager.SENSOR_STATUS_UNRELIABLE
。磁场读数总是准确的SensorManager.SENSOR_STATUS_ACCURACY_HIGH
。这可能是Xoom中的错误,还是我的代码中存在问题?Android Xoom加速计精度始终不可靠
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) {}
};