/** 根据参数随机打点 */
 public void addPoint(List<CustomAnnotation> list, int vid, int count, int start) {
   Vector2DF pivot = new Vector2DF(0.5f, 0.82f);
   // 随机添加7个点
   for (int i = 0; i < count; i++) {
     Random rand = new Random();
     int num1 = (rand.nextInt(200) + 1) * 10;
     int num2 = (rand.nextInt(200) + 1) * 10;
     CustomAnnotation mCustomAnnotation =
         new CustomAnnotation(
             2,
             new Point(centerPoint.x - num1, centerPoint.y - num2),
             // 此参数为气泡id 不能重复
             start + i,
             pivot,
             BitmapFactory.decodeResource(getResources(), vid));
     mCustomAnnotation.setClickable(true);
     mCustomAnnotation.setSelected(true);
     mCustomAnnotation.setTitle("--(" + i + ")--");
     mRenderer.addAnnotation(mCustomAnnotation);
     list.add(mCustomAnnotation);
   }
 }
 /** 点击事件监听 */
 @Override
 public void onClick(View v) {
   switch (v.getId()) {
     case R.id.cb_hotel:
       // 酒店
       if (cb_hotel.getTag() != null && Integer.parseInt(cb_hotel.getTag().toString()) == 1) {
         // 显示叠加层
         chechBg(true);
         radio.setTag(1);
         radio.setBackgroundResource(R.drawable.unradio);
         cb_hotel.setTag(0);
         cb_hotel.setBackgroundResource(R.drawable.check);
         addPoint(hlist, R.drawable.hotel, 7, 10000);
       } else {
         // 隐藏叠加层
         cb_hotel.setTag(1);
         cb_hotel.setBackgroundResource(R.drawable.uncheck);
         for (CustomAnnotation info : hlist) {
           info.setHidden(true);
         }
         hlist.clear();
       }
       break;
     case R.id.cb_gas:
       // 加油站
       if (cb_gas.getTag() != null && Integer.parseInt(cb_gas.getTag().toString()) == 1) {
         // 显示叠加层
         chechBg(true);
         radio.setTag(1);
         radio.setBackgroundResource(R.drawable.unradio);
         cb_gas.setTag(0);
         cb_gas.setBackgroundResource(R.drawable.check);
         addPoint(glist, R.drawable.gas, 7, 20000);
       } else {
         // 隐藏叠加层
         cb_gas.setTag(1);
         cb_gas.setBackgroundResource(R.drawable.uncheck);
         for (CustomAnnotation info : glist) {
           info.setHidden(true);
         }
         glist.clear();
       }
       break;
     case R.id.cb_road:
       // 实时路况
       if (cb_road.getTag() != null && Integer.parseInt(cb_road.getTag().toString()) == 1) {
         if (!mDemoMapView.isOpenNet()) {
           Toast.makeText(this, "实时路况需要连接网络", Toast.LENGTH_SHORT).show();
         } else {
           chechBg(true);
           radio.setTag(1);
           radio.setBackgroundResource(R.drawable.unradio);
           cb_road.setTag(0);
           cb_road.setBackgroundResource(R.drawable.check);
           mRenderer.enableTmc(true);
         }
       } else {
         cb_road.setTag(1);
         cb_road.setBackgroundResource(R.drawable.uncheck);
         mRenderer.enableTmc(false);
       }
       break;
     case R.id.radio_overlay:
       // 点线面
       chechBg(false);
       cb_hotel.setTag(1);
       cb_hotel.setBackgroundResource(R.drawable.uncheck);
       cb_gas.setTag(1);
       cb_gas.setBackgroundResource(R.drawable.uncheck);
       cb_road.setTag(1);
       cb_road.setBackgroundResource(R.drawable.uncheck);
       if (radio.getTag() != null && Integer.parseInt(radio.getTag().toString()) == 1) {
         radio.setTag(0);
         radio.setBackgroundResource(R.drawable.radio);
         Point point = new Point(centerPoint.x - 300, centerPoint.y + 1000); // 创建点对象
         // 点
         CircleOverlay circle = new CircleOverlay(point, 0f); // 创建以point为中心的一个点
         mRenderer.addOverlay(circle); // 将点绘制在地图上
         olist.add(circle);
         // 气泡
         Vector2DF pivot = new Vector2DF(0.5f, 0.0f); // 设置气泡在点上的偏移量
         Annotation an = new Annotation(1, point, 1101, pivot); // 在点point上创建一个偏移量为pivot的气泡
         CalloutStyle calloutStyle = an.getCalloutStyle(); // 获取气泡样式
         // calloutStyle.leftIcon = 0;//气泡左侧的图标为空
         calloutStyle.rightIcon = 1001; // 气泡右侧的图标为空
         an.setCalloutStyle(calloutStyle); // 为气泡设置显示样式
         an.setTitle("自定义POI点"); // 为气泡设置显示标题内容
         mRenderer.addAnnotation(an); // 添加气泡an到MapRenderer对象
         an.showCallout(true); // 设置气泡可显示
         alist.add(an);
         // 圈
         CircleOverlay circle2 =
             new CircleOverlay(
                 new Point(centerPoint.x - 1000, centerPoint.y), 400f); // 创建一个圆,半径为400毫米
         circle2.setColor(0x00FFFFFF); // 颜色
         circle2.setBorderColor(Color.BLUE);
         circle2.setLayer(1); // 显示层次
         mRenderer.addOverlay(circle2); //
         olist.add(circle2);
         // 线
         PolylineOverlay pl1 =
             new PolylineOverlay(
                 new Point[] {
                   new Point(centerPoint.x + 1000, centerPoint.y),
                   new Point(centerPoint.x - 1000, centerPoint.y - 800)
                 },
                 false);
         pl1.setColor(0xffaa0000);
         pl1.setStrokeStyle(Overlay.StrokeStyle.solid);
         pl1.setWidth(5.0f);
         mRenderer.addOverlay(pl1);
         olist.add(pl1);
         // 面
         PolylineOverlay pl2 =
             new PolylineOverlay(
                 new Point[] {
                   new Point(centerPoint.x, centerPoint.y),
                   new Point(centerPoint.x - 800, centerPoint.y - 1700),
                   new Point(centerPoint.x + 500, centerPoint.y - 1120)
                 },
                 true);
         pl2.setColor(0xffaa0000);
         pl2.setStrokeStyle(Overlay.StrokeStyle.l63);
         pl2.setWidth(10.0f);
         mRenderer.addOverlay(pl2);
         olist.add(pl2);
         // 多边形 透明
         Point[] points =
             new Point[] {
               new Point(centerPoint.x, 3998500),
               new Point(centerPoint.x + 20, centerPoint.y + 100),
               new Point(centerPoint.x + 40, centerPoint.y),
               new Point(centerPoint.x + 60, centerPoint.y + 100),
               new Point(centerPoint.x + 80, centerPoint.y),
               new Point(centerPoint.x + 100, centerPoint.y),
               new Point(centerPoint.x + 60, centerPoint.y + 150),
               new Point(centerPoint.x + 20, centerPoint.y + 150)
             };
         PolygonOverlay polygonOverlay = new PolygonOverlay(points);
         polygonOverlay.setColor(0xaaffff00);
         mRenderer.addOverlay(polygonOverlay);
         olist.add(polygonOverlay);
       } else {
         radio.setTag(1);
         radio.setBackgroundResource(R.drawable.unradio);
         mRenderer.enableTmc(false);
         for (Overlay info : olist) {
           info.setHidden(true);
         }
         for (Annotation info : alist) {
           info.showCallout(false);
         }
       }
       break;
     case R.id.iv_title_back:
       // 返回
       finish();
       break;
     case R.id.btn_zoom_in:
       // 地图放大
       mDemoMapView.mapZoomIn(mZoomInImageView, mZoomOutImageView);
       break;
     case R.id.btn_zoom_out:
       // 地图缩小
       mDemoMapView.mapZoomOut(mZoomInImageView, mZoomOutImageView);
       break;
   }
 }