import com.google.maps.android.clustering.view.ClusterRenderer; //导入依赖的package包/类
public void setRenderer(ClusterRenderer<T> view) {
    mRenderer.setOnClusterClickListener(null);
    mRenderer.setOnClusterItemClickListener(null);
    mClusterMarkers.clear();
    mMarkers.clear();
    mRenderer.onRemove();
    mRenderer = view;
    mRenderer.onAdd();
    mRenderer.setOnClusterClickListener(mOnClusterClickListener);
    mRenderer.setOnClusterInfoWindowClickListener(mOnClusterInfoWindowClickListener);
    mRenderer.setOnClusterItemClickListener(mOnClusterItemClickListener);
    mRenderer.setOnClusterItemInfoWindowClickListener(mOnClusterItemInfoWindowClickListener);
    cluster();
}
 

import com.google.maps.android.clustering.view.ClusterRenderer; //导入依赖的package包/类
private void setUpClusterer() {
    GoogleMap map = mapView.getMap();
    // Initialize the manager with the context and the map.
    clusterManager = new ClusterManager<>(getActivity(), map);

    ClusterRenderer<TruckCluster> renderer = new TruckClusterRenderer<>(getActivity(), map, clusterManager);
    clusterManager.setRenderer(renderer);

    clusterManager.setOnClusterClickListener(this);
    clusterManager.setOnClusterItemClickListener(this);

    // Point the map's listeners at the listeners implemented by the cluster manager.
    map.setOnCameraChangeListener(clusterManager);
    map.setOnMarkerClickListener(clusterManager);
}
 

import com.google.maps.android.clustering.view.ClusterRenderer; //导入依赖的package包/类
public ClusterRenderer<T> getRenderer() {
    return mRenderer;
}