Unable to zoom in and zoom out on arcGIS map in android

MuhammadSafiullah — Tue, 05 Dec 2023 11:04:12 GMT

Hi
I have a map that I am working with. Let share the link of the map here:
https://www.arcgis.com/home/item.html?id=90522831f84048008015cfa83e686782

https://www.arcgis.com/apps/mapviewer/index.html?webmap=90522831f84048008015cfa83e686782

I am trying to implement this in Android.

This is my code:

MainActivity:

package com.example.arcgis;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.ZoomControls;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.Item;

import com.esri.arcgisruntime.mapping.Viewpoint;
import com.esri.arcgisruntime.mapping.view.DrawStatusChangedEvent;
import com.esri.arcgisruntime.mapping.view.DrawStatusChangedListener;
import com.esri.arcgisruntime.mapping.view.LayerViewStateChangedEvent;
import com.esri.arcgisruntime.mapping.view.LayerViewStateChangedListener;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.portal.Portal;
import com.esri.arcgisruntime.portal.PortalItem;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        MapView mapView = findViewById(R.id.mapView);

        String apiKey = "";
        ArcGISRuntimeEnvironment.setApiKey(apiKey);

        // Create a PortalItem using the item ID
        String itemId = "90522831f84048008015cfa83e686782";
//        String itemId = "41281c51f9de45edaf1c8ed44bb10e30";

        // Create a Portal object
        Portal portal = new Portal("https://www.arcgis.com");

        // Create a PortalItem using the Portal and item ID
        PortalItem portalItem = new PortalItem(portal, itemId);

        // Create an ArcGISMap from the PortalItem
        ArcGISMap arcGISMap = new ArcGISMap(portalItem);

        // Set the ArcGISMap to the MapView
        mapView.setMap(arcGISMap);

//        mapView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);


        Point zoomToPoint = new Point(24.7136, 34.05500, mapView.getSpatialReference());
        double scale = 90000.0;  // Adjust this value as needed
        mapView.setViewpointCenterAsync(zoomToPoint, scale);

        mapView.setViewpointScaleAsync(1000.0);

        mapView.addLayerViewStateChangedListener(new LayerViewStateChangedListener() {
            @Override
            public void layerViewStateChanged(LayerViewStateChangedEvent layerViewStateChangedEvent) {


            }
        });
        


        ZoomControls zoomControls = findViewById(R.id.zoomControls);



        zoomControls.setOnZoomInClickListener(v -> mapView.setViewpointScaleAsync(mapView.getMapScale() / 1.5));
        zoomControls.setOnZoomOutClickListener(v -> mapView.setViewpointScaleAsync(mapView.getMapScale() * 1.5));



        zoomControls.setOnZoomInClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // Zoom in by dividing the current scale
                mapView.setViewpointScaleAsync(mapView.getMapScale() / 1.5);
            }
        });

        zoomControls.setOnZoomOutClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // Zoom out by multiplying the current scale
                mapView.setViewpointScaleAsync(mapView.getMapScale() * 1.5);
            }
        });


    }
}

Android Menifiest Permission:

<uses-permission android:name="android.permission.INTERNET" />

build.gradle File:

implementation("com.esri.arcgisruntime:arcgis-android:100.15.3")

I have attached the videos to show the problems. The map is zoomed in and I cannot zoom out because zooming functionality is not working.

If anyone needs more information, kindly let me know
Thanks

Re: Unable to zoom in and zoom out on arcGIS map in android

MarkBockenhauer — Fri, 08 Dec 2023 01:11:50 GMT

The scale is being locked to the visible range of your basemap. If you change it to display at all scales, you will be able to zoom at all scales. I set the visible range to world, and apps built with the Maps SDK were able to zoom all of the scales. This is not specific to your code, it is how the Maps SDKs work.

topic Unable to zoom in and zoom out on arcGIS map in android in ArcGIS Online Questions

Unable to zoom in and zoom out on arcGIS map in android

Re: Unable to zoom in and zoom out on arcGIS map in android