Disable clustering at maximum zoom level using android-maps-utils

I am new here, so any feedback is welcome. I am trying to use DefaultClusterRenderer to show some user clusters, and I am trying to get it not to cluster when the map is fully enlarged. Therefore, I found the answer to the same question: Disable clustering at maximum zoom level using Googles android-maps-utils so I tried this code, but I get the message Not on the main topic . Any help would be appreciated. I have it in my constructor

public EspecieRenderer(Context context, GoogleMap map, ClusterManager<T> clusterManager) {
    super(context, map, clusterManager);
    this.mMap = map;
...
}

and then i do

@Override
protected boolean shouldRenderAsCluster(Cluster<T> cluster) {
    final float currentZoom = mMap.getCameraPosition().zoom;
    final float currentMaxZoom = mMap.getMaxZoomLevel();
    return currentZoom < currentMaxZoom && cluster.getSize() >= 10;
}

. , 200 ,

private void setUpClusterer() {
    clusterManager = new ClusterManager<>(this, googleMap);
    clusterManager.setRenderer(new EspecieRenderer<>(this, googleMap, clusterManager));
    googleMap.setOnCameraChangeListener(clusterManager);
    googleMap.setOnMarkerClickListener(clusterManager);
    ArrayList<Especie> especies = (ArrayList<Especie>) Especie.list(this);
    for (Especie especie : especies) {
        ExecutorService queue = Executors.newSingleThreadExecutor();
        queue.execute(new EspecieLoader(this, especie));
    }
}

EspecieLoader

public class EspecieLoader implements Runnable {
    private MainActivity context;
    private Especie especie;

    public EspecieLoader(MainActivity mainActivity, Especie especie) {
        this.context = mainActivity;
        this.especie = especie;
    }

    @Override
    public void run() {
        List<Foto> fotos = Foto.findAllByEspecieWithdCoords(context, especie);
        String nombre = especie.getNombreCientifico();
        for (Foto foto : fotos) {
            LatLng latLng = new LatLng(foto.getLatitud(), foto.getLongitud());
            Bitmap bitmap;
            String path = "new/" + foto.getPath().replaceAll("-", "_").toLowerCase();
            try {
                bitmap = ResourcesHelper.getEncyclopediaAssetByName(context, path);
                EspecieMarker especieMarker = new EspecieMarker(nombre, bitmap, latLng);
                context.addSpeciesMarker(especieMarker);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

, :

07-16 19:18:41.402 31151-32075/com.lzm.Cajas E/AndroidRuntime: FATAL EXCEPTION: Thread-47332
Process: com.lzm.Cajas, PID: 31151
java.lang.IllegalStateException: Not on the main thread
    2at maps.f.g.b(Unknown Source)
    at maps.z.F.a(Unknown Source)
    at maps.af.t.a(Unknown Source)
    at vl.onTransact(:com.google.android.gms.DynamiteModulesB:51)
    at android.os.Binder.transact(Binder.java:387)
    at com.google.android.gms.maps.internal.IGoogleMapDelegate$zza$zza.getCameraPosition(Unknown Source)
    at com.google.android.gms.maps.GoogleMap.getCameraPosition(Unknown Source)
    at com.lzm.Cajas.map.EspecieRenderer.shouldRenderAsCluster(EspecieRenderer.java:62)
    at com.google.maps.android.clustering.view.DefaultClusterRenderer$RenderTask.run(DefaultClusterRenderer.java:416)
    at java.lang.Thread.run(Thread.java:818)
+6
2

. : setOnCameraChangeListener ,

googleMap.setOnCameraChangeListener(clusterManager);

googleMap.setOnCameraChangeListener(new GoogleMap.OnCameraChangeListener() {
        @Override
        public void onCameraChange(CameraPosition cameraPosition) {
            shouldCluster_zoom = cameraPosition.zoom < 9; //disables the cluster at 9 and higher zoom levels
            clusterManager.onCameraChange(cameraPosition); //Replaces googleMap.setOnCameraChangeListener(clusterManager);
        }
    });

"shouldCluster_zoom", , static boolean. "shouldRenderAsCluster" , , :

    @Override
    protected boolean shouldRenderAsCluster(Cluster<T> cluster) {
        return super.shouldRenderAsCluster(cluster) && Your_class_name.shouldCluster_zoom;
    }
+12

@Alberto97:

OnCameraChange . GoogleMap.OnCameraChangeListener() :

  • GoogleMap.OnCameraMoveStartedListener - .
  • GoogleMap.OnCameraMoveListener - .
  • GoogleMap.OnCameraIdleListener - .

OnCameraIdleListener

  googleMap.setOnCameraIdleListener(new GoogleMap.OnCameraIdleListener() {
            @Override
            public void onCameraIdle() {
                shouldCluster_zoom = cameraPosition.zoom < 9;
                clusterManager.onCameraIdle();
            }
        });
0

Source: https://habr.com/ru/post/1648117/


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