How to use marker tag when using cluster algorithm in Android

        Marker marker = mMap.addMarker(markerOptions);
        marker.setTag(poi.getKey());
        marker.hideInfoWindow();
        builder.include(marker.getPosition()); 

This code works correctly because I put manuel. I have done everything marker.tag(). I used a hash key to restore my output.

mClusterManager.addItem()I want to use this method. But also I want to take a marker tag. Therefore, I do not want to add to the map asMarker marker = mMap.addMarker(markerOptions);

How can I solve this problem?

I want to explain in more detail.

public class PoiItem implements ClusterItem{
private final LatLng mPosition;
private String mTitle;
private String mSnippet;
private String tag;
private ResponsePoi pois;

public PoiItem(ResponsePoi poi,double lat, double lng,String tag) {
    mPosition = new LatLng(lat, lng);
    pois = poi;
    mTitle = poi.getName();
    mSnippet = poi.getAddress();
    this.tag = tag;
}


 private void setMyCluster(){
        mClusterManager = new ClusterManager<PoiItem>         (MainActivity.this,mMap);
        mMap.setOnCameraIdleListener(mClusterManager);
        mMap.setOnMarkerClickListener(mClusterManager);
    }

    setMyCluster();
    for(HashMap.Entry<String, ResponsePoi> poi : pois.entrySet()) {
        MarkerOptions markerOptions = new MarkerOptions()
                .snippet(poi.getValue().getAddress())
                .title(poi.getValue().getName())
                .position(new LatLng(poi.getValue().getLocation().getL().get(0),poi.getValue().getLocation().getL().get(1)))
                .icon(BitmapDescriptorFactory.fromBitmap(smallMarker));
        /*
        Marker marker = mMap.addMarker(markerOptions);
        marker.setTag(poi.getKey());
        marker.hideInfoWindow();
        builder.include(marker.getPosition());  */

        mClusterManager.addItem(new   PoiItem(poi.getValue(),poi.getValue().getLocation().getL().get(0),poi.getValue().getLocation().getL().get(1),poi.getKey()));
    }
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1 answer

You can simply add the marker label field to your own class MyItem.

For instance:

public class MyItem implements ClusterItem {
    private final LatLng mPosition;
    private final String mTitle;
    private final String mSnippet;
    private final String mTag; // <- This is the tag

    public MyItem(double lat, double lng, String t, String s, String tg) {
        mPosition = new LatLng(lat, lng);
        mTitle = t;
        mSnippet = s;
        mTag = tg;
    }

    @Override
    public LatLng getPosition() {
        return mPosition;
    }

    public String getTitle(){
        return mTitle;
    }

    public String getSnippet(){
        return mSnippet;
    }

    public String getTag(){
        return mTag;
    }
}

Then give the tag to the constructor MyItemwhen using the method addItem():

MyItem item = new MyItem(lat, lng, "title", "snippet", poi.getKey());
mClusterManager.addItem(item);

, :

mClusterManager.setOnClusterItemClickListener(mClusterItemClickListener);
mMap.setOnMarkerClickListener(mClusterManager);

ClusterManager.OnClusterItemClickListener, ():

public ClusterManager.OnClusterItemClickListener<MyItem> mClusterItemClickListener = new ClusterManager.OnClusterItemClickListener<MyItem>() {

    @Override
    public boolean onClusterItemClick(MyItem item) {
        if (item.getTag().equals("SomeValue")) {
            //Do something!
        }
        return true;
    }
};
+3

Source: https://habr.com/ru/post/1672493/


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