百度地图根据坐标自定义覆盖物，并实现其点击事件

在很多APP中都会用到百度地图，以实现各种功能，本片文章介绍在百度地图中添加自定义覆盖物并添加其点击事件

public class NearByFragment extends Fragment {
    private MapView mapView;
    private BaiduMap Mmap;
    private boolean isFirstLoc = true;
    private HttpUtils utils;
    private BitmapDisplayConfig displayConfig;
    private BitmapUtils bmputils;
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
          // 初始化控件，并开启定位功能
        View view = initView(inflater, container);
        //添加Marker覆盖物的点击事件
        Mmap.setOnMarkerClickListener(new OnMarkerClickListener(){
            @Override
            public boolean onMarkerClick(Marker marker) {

                Bundle extraInfo = marker.getExtraInfo();
                final Grogshop shop = (Grogshop) extraInfo.getSerializable("Grogshop");
                View v2 = LayoutInflater.from(getActivity()).inflate(R.layout.window2, null);
                TextView shop_name = (TextView) v2.findViewById(R.id.shop_name);
                TextView tv_distance = (TextView) v2.findViewById(R.id.distance);
                TextView price_range = (TextView) v2.findViewById(R.id.price_range);
                TextView worktime_window = (TextView) v2.findViewById(R.id.worktime_window);
                ImageView view_img = (ImageView) v2.findViewById(R.id.view_img);
                shop_name.setText(shop.getShopName());
                bmputils.display(view_img, shop.getShopPhoto(), displayConfig);
                final float distance_float = FunctionUtils.getDistance(shop, getActivity());
                tv_distance.setText(distance_float + "km");
                price_range.setText(shop.getPriceRange());
                worktime_window.setText(shop.getBusinessTime());
                v2.setOnClickListener(new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        // 加载新数据让他跳转到一个新的界面，展示信息
                        Intent intent = new Intent(getActivity(), NearByDetail.class);
                        intent.putExtra("Grogshop", shop);
                        intent.putExtra("distance_int", distance_float);
                        startActivity(intent);
                        getActivity().overridePendingTransition(R.anim.next_in_anim, R.anim.next_out_anim);
                        Mmap.hideInfoWindow();
                    }
                });
                FunctionUtils.PopView(v2);
                int infoWindowYOffset = -30;
                final InfoWindow info = new InfoWindow(v2, marker.getPosition(), infoWindowYOffset);
                Mmap.showInfoWindow(info);
                return true;
            }
        });
        //添加地图的点击事件
        Mmap.setOnMapClickListener(new OnMapClickListener() {

            @Override
            public void onMapClick(LatLng arg0) {
                Mmap.hideInfoWindow();
            }

            @Override
            public boolean onMapPoiClick(MapPoi arg0) {
                // TODO Auto-generated method stub
                return false;
            }
        });
        return view;
    }

    // 为地图添加marker覆盖物
    private void getoverlay() {
    //为地图添加自定义的覆盖物
        final BitmapDescriptor bitmap = BitmapDescriptorFactory.fromResource(R.drawable.icon_green);
        utils.send(HttpMethod.POST, String.format(Constants.StringJson_shop, SPUtils.getString(getActivity(), "city", "")), new RequestCallBack() {
            // 当请求失败调用此方法
            @Override
            public void onFailure(HttpException exception, String msg) {
                exception.printStackTrace();
                Log.i("NearByFragment", msg);
            }

            // 当请求接口成功调用此方法
            @Override
            public void onSuccess(ResponseInfo info) {
                if (info.statusCode == 200) {
                    String json = info.result;
                    Log.e("NearByFragment", json);
                    // 以下解析json/封装list集合,再遍历list添加覆盖物
                    try {
                        JSONObject obj = new JSONObject(json);
                        String code = obj.getString("code");
                        String Message = obj.getString("message");
                        if (code.equals("000000")) {
                            List list = JsonUtils.JSON1Str(json);
                            if (adapter == null) {
                                if (getActivity() == null || getActivity().isDestroyed()) {
                                    return;
                                } else {
                                    adapter = new ShopAdapter(getActivity());
                                    adapter.addData(list);
                                    shop_list.setAdapter(adapter);
                                }
                            } else {
                                adapter.addData(list);
                                shop_list.setAdapter(adapter);
                            }
                            for (int i = 0; i < list.size(); i++) {
                                Grogshop shop = list.get(i);
                                // 利用bundle为覆盖物添加信息
                                Bundle bundle = new Bundle();
                                // 是否加盟
                                // String isJoining = shop.getIsJoining();
                                // 经纬度
                                double longitude = shop.getLongitude();
                                double dimensions = shop.getDimensions();
                                // 利用bundle逐一put进marker覆盖物
                                bundle.putSerializable("Grogshop", shop);
                                LatLng location = new LatLng(dimensions, longitude);                                op = new MarkerOptions().extraInfo(bundle).position(location).icon(bitmap);
                                MarkerOptions().extraInfo(bundle).position(location).icon(bitmap2);

                                // 将覆盖物添加到百度地图上
                                Mmap.addOverlay(op).setZIndex(i);
                            }
                        } else if (code.equals("000011")) {
                            if (getActivity() == null || getActivity().isDestroyed()) {
                                return;
                            } else {
                                Toast.makeText(getActivity(), Message, 0).show();
                            }
                        }
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
    }

    private View initView(LayoutInflater inflater, ViewGroup container) {
        View view = inflater.inflate(R.layout.fragment_nearby, container, false);
        utils = new HttpUtils(5000);
        bmputils = new BitmapUtils(getActivity(), Constants.cachepath);
        displayConfig = new BitmapDisplayConfig();
        displayConfig.setBitmapConfig(Config.ARGB_8888);
        AlphaAnimation animation = new AlphaAnimation(0.1f, 1.0f);
        animation.setDuration(500);
        displayConfig.setAnimation(animation);
        displayConfig.setLoadingDrawable(getActivity().getResources().getDrawable(R.drawable.loading_not));
        displayConfig.setLoadFailedDrawable(getActivity().getResources().getDrawable(R.drawable.loading_not));
        // 获取地图控件引用
        mapView = (MapView) view.findViewById(R.id.bmapView);

        // 隐藏百度地图缩放图标
        mapView.showZoomControls(false);
        // 获取百度地图控件
        Mmap = mapView.getMap();
        // 设置百度地图缩放层级
        Mmap.setMapStatus(MapStatusUpdateFactory.newMapStatus(new MapStatus.Builder().zoom(15).build()));
//添加一个标志位避免频繁向服务器发请求 设置一个定时器避免请求数据为空
        if (isFirstLoc) {
            Timer timer = new Timer();
            timer.schedule(new TimerTask() {
                @Override
                public void run() {
                    getoverlay();
                    isFirstLoc = false;
                }
            }, 2500);
        }
        return view;
    }

    @Override
    public void onResume() {
        super.onResume();
        // 实现地图生命周期管理
        mapView.onResume();
    }

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

    @Override
    public void onDestroy() {
        super.onDestroy();
        mapView.onDestroy();
    }
}
//百度定位监听
/**
 *@author xuenan
 *百度定位监听实现
 */
public class MyLocationLister implements BDLocationListener{
    private Context context;
    private BaiduMap Mmap;
    private boolean isFirstLoc = true;
    public MyLocationLister(BaiduMap mapView,Context context){
        this.context = context;
        this.Mmap = mapView;
    }
    @Override
    public void onReceiveLocation(BDLocation location) {
        final MyLocationData data = new MyLocationData.Builder()
        .direction(location.getDirection())
        .latitude(location.getLatitude())
        .longitude(location.getLongitude())
        .accuracy(location.getRadius())
        .build();
        if(data!=null){
            // 设置地图的定位数据
            try {
                // 设置地图的定位数据
                Mmap.setMyLocationData(data);
            } catch (NullPointerException e) {
                e.printStackTrace();
            }
        }
        //Mmap.setMyLocationEnabled(true);
        //城市
        String city = location.getCity();
        //将经纬度和城市,街道信息,存入SharedPreference中
        SPUtils.putString(context,"latitude", String.valueOf(location.getLatitude()));
        SPUtils.putString(context,"longitude", String.valueOf(location.getLongitude()));
        SPUtils.putString(context,"city", String.valueOf(city));
        SPUtils.putString(context, "AddrStr",location.getAddrStr());
        // 更新地图状态
        if (isFirstLoc) {
            isFirstLoc = false;
            LatLng pt = new LatLng(location.getLatitude(),
                    location.getLongitude());
            MapStatusUpdate update = MapStatusUpdateFactory.newLatLng(pt);
            Mmap.animateMapStatus(update);
        }
    }

}