private MainLocationManager mainLocationManager;@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);        //...    mainLocationManager = MainLocationManager.getInstance();    //...    }@Overrideprotected void onDestroy() {    super.onDestroy();    mainLocationManager.stopBaiduLocation();}@Overrideprotected void onResume() {    super.onResume();    mainLocationManager.registerListener(mainLocationListener);}@Overrideprotected 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);