效果如圖

自定義ClusterItem類

 /**
     * 每個Marker點，包含Marker點座標以及圖示
     */
public class MyClusterItem implements ClusterItem {
private final LatLng mPosition;
private RealTimeLocationBean.ListBean listBean;//方向
private View view;//mark佈局
public MyClusterItem(RealTimeLocationBean.ListBean listBean) {
mPosition = new 
 
LatLng(Double.valueOf(listBean.getBlat()), Double.valueOf(listBean.getBlng()));
this.listBean = listBean;
ViewHolder viewHolder;
view = View.inflate(RealTimeActivity.this, R.layout.mark_layout, null);
viewHolder = new ViewHolder(view);
view.setTag(viewHolder);
if (Preferences.getBoolean("carNumber", 
 
false)) {
viewHolder.textView.setText(listBean.getCarPlate());
            } else {
viewHolder.textView.setText(listBean.getCarName());
            }
if (Integer.valueOf(listBean.getState()) < 9) {
viewHolder.imageView.setRotation(Float.valueOf(listBean.getDrct()));
            } else {
viewHolder.
 
imageView.setRotation(0);
            }
viewHolder.imageView.setImageBitmap(ImageUtils.getImageFromAssetsFile("car/" + listBean.getIcon()));

//    public static Bitmap getImageFromAssetsFile(String fileName) {
//        Bitmap image = null;
//        AssetManager am = App.getAppContext().getResources().getAssets();
//        try {
//            InputStream is = am.open(fileName);
//            image = BitmapFactory.decodeStream(is);
//            is.close();
//        } catch (IOException e) {
//            e.printStackTrace();
//        }
//        return image;
//    }

     File file = new File(ToolsUtil.imgPath+"/"+listBean.getState()+".png");//            if (file.exists()) {//                Bitmap bm = BitmapFactory.decodeFile(ToolsUtil.imgPath+"/"+listBean.getState()+".png");//                //將圖片顯示到ImageView中//                viewHolder.imageView.setImageBitmap(bm);//            }}@Overridepublic LatLng getPosition() {return mPosition;        }@Overridepublic String getCarId() {return listBean.getCarId();        }@Overridepublic RealTimeLocationBean.ListBean getListBean() {return listBean;        }@Overridepublic BitmapDescriptor getBitmapDescriptor() {return BitmapDescriptorFactory.fromView(view);        }class ViewHolder {@BindView(R.id.img_mark_pic)ImageView imageView;@BindView(R.id.tv_mark_name)TextView textView;            ViewHolder(View view) {ButterKnife.bind(this, view);            }        }    }

在要進行聚合的類中

private List<MyClusterItem> items = new ArrayList<>();//marker點集合

items.add(new MyClusterItem(bean));

mClusterManager.addItems(items);

//mClusterManager.cluster();//設定後不用移動更新點狀態

//mBaiduMap.clear();//清理地圖
//items.clear();//清除原來marker的資料
//mClusterManager.clearItems();//清除原來marker的資料

//集合點展開事件
mClusterManager.setOnClusterClickListener(cluster -> {
List<MyClusterItem> items = (List<MyClusterItem>) cluster.getItems();
LatLngBounds.Builder builder2 = new LatLngBounds.Builder();
for (MyClusterItem MyClusterItem : items) {
builder2 = builder2.include(MyClusterItem.getPosition());
    }
LatLngBounds latlngBounds = builder2.build();
MapStatusUpdate u = MapStatusUpdateFactory.newLatLngBounds(latlngBounds, mMapView.getWidth(), mMapView.getHeight());
mBaiduMap.animateMapStatus(u);
return false;
});
//Marker 監聽事件
mClusterManager.setOnClusterItemClickListener(item -> {
setMarkPopupWindow(item.getListBean().getCarId(), item.getPosition());
return false;
});

//每次重新設定資料時 設定中心點的方法自動計算 顯示地圖所有點 

RealTimeLocationBean.ListBean//是包含marker點資訊的類

/**
 * 重新設定設定點資料
 */
private void setMarkDates(List<RealTimeLocationBean.ListBean> listBean) {
if (listBean == null || listBean.size() <= 0) return;
mBaiduMap.clear();
items.clear();
mClusterManager.clearItems();
for (RealTimeLocationBean.ListBean bean : listBean) {
if (bean.getBlng().equals("") || bean.getBlat().equals("")) continue;
items.add(new MyClusterItem(bean));
    }
mClusterManager.addItems(items);
mClusterManager.cluster();//設定後不用移動更新點狀態
zoomToSpan(listBean);
}

//清除全部
imgMapClear.setOnClickListener(view -> {
mBaiduMap.clear();
mClusterManager.clearItems();//清除聚合點
saveListBean.clear();
mBaiduMap.setMapStatus(MapStatusUpdateFactory.newMapStatus(mBaiduMap.getMapStatus()));//重新整理地圖
});

if (Preferences.getBoolean("point", true)) {
mClusterManager.setMackSize(2);//聚合起始點2個
} else {
mClusterManager.setMackSize(10000);
}

類

NonHierarchicalDistanceBasedAlgorithm 下 控制點聚合範圍

public static final int MAX_DISTANCE_AT_ZOOM = 200; // essentially 100 dp.設定點聚合距離

/**
 * ClusterItem represents a marker on the map.
 */
public interface ClusterItem {//介面下方法按需求自行更改
/**
     * The position of this marker. This must always return the same value.
     */
LatLng getPosition();//點
String getCarId();//車輛ID
RealTimeLocationBean.ListBean getListBean();//方向
BitmapDescriptor getBitmapDescriptor();//圖片
}

1.如果marker點的圖片要求載入網路圖，而且不進行更改的可以提供思路

進入之前先下載圖片到本地，然後

Bitmap bm = BitmapFactory.decodeFile(ToolsUtil.imgPath+"/"+listBean.getState()+".png");

imageView.setImageBitmap(bm)

進行設定2.如果圖片過多，同時需要放在本地又不想通過id獲取，建議放在assets 資料夾中，通過以下方法進行獲取

imageView.setImageBitmap(ImageUtils.getImageFromAssetsFile("car/" + listBean.getIcon()));

public static Bitmap getImageFromAssetsFile(String fileName) {
Bitmap image = null;
AssetManager am = App.getAppContext().getResources().getAssets();
try {
InputStream is = am.open(fileName);
image = BitmapFactory.decodeStream(is);
is.close();
    } catch (IOException e) {
e.printStackTrace();
    }
return image;
}