百度地图退出后会重启一次

Heatherhh 2016-11-30 10:07:46

我在onDestroy()方法中有销毁图层，按返回退出不知道为什么它会跳到onCreat()重新启动一次，再按返回键才会跳出百度地图界面。贴上我的代码

public class Map extends ActivityBasic {



    private MapView mMapView;

    private ImageButton requestLocButton;

    private double Lantitude;// 纬度

    private double Longitude;// 经度



    // 定位相关

    BaiduMap mBaiduMap;

    LocationClient mLocClient;

    public MyLocationListenner myListener;

    boolean isFirstLoc = true; // 是否首次定位

    private String mCurrentaddrstr;// 地图标记位置



    private MyOnMapClickListener mOnMapClickListener;// 用户点击地图时的回调接口





    // 覆盖物

    private BitmapDescriptor mMarker;





    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        SDKInitializer.initialize(getApplicationContext());

        setContentView(R.layout.activity_location);



        initView();



    }



    private void initView() {

        mMapView = (MapView) findViewById(R.id.bmapView);

        requestLocButton = (ImageButton) findViewById(R.id.ib_loc);



        // 地图初始化

        mBaiduMap = mMapView.getMap();

        // 设置marker图标

        mMarker = BitmapDescriptorFactory.fromResource(R.drawable.maker);

        // 设置地图的点击事件

        mOnMapClickListener = new MyOnMapClickListener();

        mBaiduMap.setOnMapClickListener(mOnMapClickListener);



        // 定位初始化

        mLocClient = new LocationClient(this);

        myListener = new MyLocationListenner();

        mLocClient.registerLocationListener(myListener);

        LocationClientOption option = new LocationClientOption();

        option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);//可选，默认高精度，设置定位模式，高精度，低功耗，仅设备

        option.setCoorType("bd09ll");//可选，默认gcj02，设置返回的定位结果坐标系

        option.setIsNeedAddress(true);//可选，设置是否需要地址信息，默认不需要

        option.setOpenGps(true);//可选，默认false,设置是否使用gps

        mLocClient.setLocOption(option);

        mLocClient.start();

    }



    public class MyOnMapClickListener implements BaiduMap.OnMapClickListener {



        @Override

        public void onMapClick(LatLng latLng) {

            //先清除图层

            mBaiduMap.clear();



            //获取覆盖物经纬度

            Lantitude = latLng.latitude;

            Longitude = latLng.longitude;



            // 定义Maker坐标点

            LatLng point = new LatLng(Lantitude, Longitude);

            // 构建MarkerOption，用于在地图上添加Marker

            MarkerOptions options = new MarkerOptions().position(point)

                    .icon(mMarker);

            // 在地图上添加Marker，并显示

            mBaiduMap.addOverlay(options);



            final GeoCoder geoCoder = GeoCoder.newInstance();

            //设置反地理编码位置坐标

            ReverseGeoCodeOption op = new ReverseGeoCodeOption();

            op.location(point);

            //发起反地理编码请求(经纬度->地址信息)

            geoCoder.reverseGeoCode(op);

            geoCoder.setOnGetGeoCodeResultListener(new OnGetGeoCoderResultListener() {





                @Override

                public void onGetReverseGeoCodeResult(ReverseGeoCodeResult arg0) {

                    //获取点击的坐标地址

                    mCurrentaddrstr = arg0.getAddress();

                }



                @Override

                public void onGetGeoCodeResult(GeoCodeResult arg0) {



                }



            });

        }



        @Override

        public boolean onMapPoiClick(MapPoi mapPoi) {

            return false;

        }



    }





    /**

     * 定位SDK监听函数

     */

    public class MyLocationListenner implements BDLocationListener {



        @Override

        public void onReceiveLocation(BDLocation location) {

            // map view 销毁后不在处理新接收的位置

            if (location == null || mMapView == null) {

                return;

            }

            MyLocationData locData = new MyLocationData.Builder()

                    .accuracy(location.getRadius())

                    // 此处设置开发者获取到的方向信息，顺时针0-360.direction(100)

                    .latitude(location.getLatitude())

                    .longitude(location.getLongitude()).build();



            mBaiduMap.setMyLocationData(locData);

            if (isFirstLoc) {

                isFirstLoc = false;

                LatLng ll = new LatLng(location.getLatitude(),

                        location.getLongitude());

                MapStatus.Builder builder = new MapStatus.Builder();

                builder.target(ll).zoom(18.0f);

                mBaiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));

            }

            Lantitude = location.getLatitude();

            Longitude = location.getLongitude();

            mCurrentaddrstr = location.getAddrStr();

        }



    }



    @Override

    protected void onStop() {

        super.onStop();

        mBaiduMap.setMyLocationEnabled(false);

        mLocClient.stop();

    }



    @Override

    protected void onPause() {

        mMapView.onPause();

        super.onPause();

    }



    @Override

    protected void onResume() {

        mMapView.onResume();

        super.onResume();

    }



    @Override

    protected void onDestroy() {

        super.onDestroy();

        // 退出时销毁定位

        if (mLocClient != null && mLocClient.isStarted()) {

            mLocClient.unRegisterLocationListener(myListener);

            mLocClient.stop();

            mLocClient = null;

        }



        // 关闭定位图层

        mBaiduMap.setMyLocationEnabled(false);

        mMapView.onDestroy();



    }



}