private MainLocationManager mainLocationManager;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    //...
    mainLocationManager = MainLocationManager.getInstance();
    //...
    
}

@Override
protected void onDestroy() {
    super.onDestroy();
    mainLocationManager.stopBaiduLocation();
}

@Override
protected void onResume() {
    super.onResume();
    mainLocationManager.registerListener(mainLocationListener);
}

@Override
protected void onPause() {
    super.onPause();
    mainLocationManager.unregisterListener(mainLocationListener);
}

private MainLocationListener mainLocationListener = new MainLocationListener() {
    @Override
    public void onLocationChanged(MyLocation location) {//定位成功
        if (location == null)
            return ;
        //...
    }

    @Override
    public void onLocationFail(String provider, String message) { }//定位失败

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) { }//暂可无视

    @Override
    public void onProviderEnabled(String provider) { }//暂可无视

    @Override
    public void onProviderDisabled(String provider) { }//暂可无视
};

mainLocationManager.getBaiduLocationOnce(isNeedAddress);

mainLocationManager.getBaiduLocationAuto(scanSpan);//默认不需要地址信息
mainLocationManager.getBaiduLocationAuto(scanSpan, isNeedAddress);