private OnOrientationListener mOnOrientationListener;

public void setOnOrientationListener(OnOrientationListener mOnOrientationListener) {

this.mOnOrientationListener = mOnOrientationListener;

}

public interface OnOrientationListener {

void onOrientationChanged(float x);//float x = event.values[SensorManager.DATA_X];

}

public void onSensorChanged(SensorEvent event) {//方向發(fā)生變化

// TODO Auto-generated method stub

if (event.sensor.getType() == Sensor.TYPE_ORIENTATION) {//事件返回類(lèi)型是方向傳感器

// 這里我們可以得到數(shù)據(jù)，然后根據(jù)需要來(lái)處理 ?

float x = event.values[SensorManager.DATA_X];

if ((Math.abs(x - lastX)) > 1.0) {

if (mOnOrientationListener != null) {

//不為空進(jìn)行回調(diào)

mOnOrientationListener.onOrientationChanged(x);

}

}

lastX = x;

}

}