高德地图的简单使用

最简单的高德地图2D地图的使用，仅包含了添加Marker，拖动Marker后转换经纬度到详细地址并显示。
混淆时注意加上：

-keep class com.amap.api.maps2d.**{*;}
-keep class com.amap.api.mapcore2d.**{*;}
-dontwarn com.amap.api.**
-dontwarn com.a.a.**
-dontwarn com.autonavi.**

public class SetAddressActivity extends BaseEasyActivity implements AMap.OnMarkerClickListener, AMap.OnMarkerDragListener, GeocodeSearch.OnGeocodeSearchListener {


    @Bind(R.id.mapView)
    MapView mapView;
    private AMap aMap;
    private LatLng mLatLng;
    private Marker mMarker;
    private GeocodeSearch geoCoderSearch;
    private String mAddressName;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setBackTitle("设置地址");
        //保存地址更新的方法放在这里
        saveLocation();
        //获取地址的经纬度信息
        double lon = mIntent.getDoubleExtra(Constants.LON, 0);
        double lat = mIntent.getDoubleExtra(Constants.LAT, 0);
        mLatLng = new LatLng(lat, lon);
        mapView.onCreate(savedInstanceState);
        //初始化高德地图
        init();

    }

    private void saveLocation() {
        toolbarRight.setText("保存");
        RxView.clicks(toolbarRight)
                .throttleFirst(500, TimeUnit.MILLISECONDS)
                .filter(new Func1<Void, Boolean>() {
                    @Override
                    public Boolean call(Void aVoid) {
                        return mMarker != null && !TextUtils.isEmpty(mAddressName);
                    }
                })
                .subscribe(new Action1<Void>() {
                    @Override
                    public void call(Void aVoid) {
                        //保存
                        HashMap<String, String> option = new HashMap<>();
                        LatLng latLng = mMarker.getPosition();
                        KLog.e(latLng.toString());
                        option.put(Constants.LON, Double.toString(latLng.longitude));
                        option.put(Constants.LAT, Double.toString(latLng.latitude));
                        option.put(Constants.LOCATION_ADDRESS, mAddressName);
                        RetrofitHelper.getInstance().saveShop(new RxSubscriber<String>(mContext) {
                            @Override
                            public void onNext(String s) {
                                showToastMsg(s);
                                Observable.timer(1, TimeUnit.SECONDS)
                                        .subscribe(new Action1<Long>() {
                                            @Override
                                            public void call(Long aLong) {
                                                finishActivity();
                                            }
                                        });
                            }
                        }, option);
                    }
                });
    }

    @Override
    protected void onResume() {
        super.onResume();
        mapView.onResume();
    }

    @Override
    protected void onPause() {
        super.onPause();
        mapView.onPause();
    }

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

    @Override
    protected int getLayoutId() {
        return R.layout.shopinfo_setaddress;
    }

    private void init() {
        if (aMap == null) {
            aMap = mapView.getMap();
            setUpMarker();//添加marker
            setUpSearch();//添加坐标转地址功能
        }
    }

    private void setUpSearch() {
        geoCoderSearch = new GeocodeSearch(this);
        geoCoderSearch.setOnGeocodeSearchListener(this);
    }

    private void setUpMarker() {
        aMap.setOnMarkerClickListener(this);//marker点击监听
        //marker拖动监听,在MarkerOptions中设置了draggable(true)以后,没有设置这个似乎无法拖动
        aMap.setOnMarkerDragListener(this);
        addMarkersToMap();// 往地图上添加marker

    }

    /**
     * 在地图上添加marker
     */
    private void addMarkersToMap() {
        MarkerOptions markerOption = new MarkerOptions().icon(BitmapDescriptorFactory
                .defaultMarker(BitmapDescriptorFactory.HUE_ORANGE))//Marker颜色
                .position(mLatLng)//Marker坐标
                .draggable(true);//可拖动
        aMap.animateCamera(CameraUpdateFactory.newLatLngZoom(mLatLng, 15));//移动屏幕中间
        mMarker = aMap.addMarker(markerOption);
    }

    @Override
    protected void initViewAndEvent() {

    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        mapView.onSaveInstanceState(outState);
    }

    @Override
    public boolean onMarkerClick(Marker marker) {
        //点击Marker弹出转换后的详细地址
        //坐标地址转换
        reGeoSearch(marker.getPosition());
        return true;
    }

    /**
     * 坐标转换地址
     *
     * @param latLng
     */
    private void reGeoSearch(LatLng latLng) {
        if (latLng == null) {
            return;
        }
        //根据LatLng创建一个Point
        LatLonPoint latLonPoint = new LatLonPoint(latLng.latitude, latLng.longitude);
        if (geoCoderSearch != null) {
            // 第一个参数表示一个Latlng，第二参数表示范围多少米，第三个参数表示是火系坐标系还是GPS原生坐标系
            RegeocodeQuery query = new RegeocodeQuery(latLonPoint, 200, GeocodeSearch.AMAP);
            geoCoderSearch.getFromLocationAsyn(query);
        }
    }

    @Override
    public void onMarkerDragStart(Marker marker) {

    }

    @Override
    public void onMarkerDrag(Marker marker) {

    }

    @Override
    public void onMarkerDragEnd(Marker marker) {
        //Marker拖动结束后弹出信息

//        mMarker = marker;
        reGeoSearch(marker.getPosition());
    }

    @Override
    public void onRegeocodeSearched(RegeocodeResult result, int rCode) {
        //地址坐标转换回调
        if (rCode == AMapException.CODE_AMAP_SUCCESS) {
            if (result != null && result.getRegeocodeAddress() != null
                    && result.getRegeocodeAddress().getFormatAddress() != null) {
                mAddressName = result.getRegeocodeAddress().getFormatAddress();
                //获取详细地址并展示
                showToastMsg(mAddressName);
            } else {
                showToastMsg("对不起，没有搜索到相关数据！");
            }
        } else {
            showToastMsg("定位失败,请重新选择");
        }
    }

    @Override
    public void onGeocodeSearched(GeocodeResult geocodeResult, int i) {

    }
}