ArcGIS map image layer URL

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Display a layer from an ArcGIS map image layer service.

Image of an ArcGIS map image layer

Use case

Map image layers are also referred to as dynamic map services. These services generate images dynamically on the server and send the resulting image to the requesting client. This is useful when rendering complex cartography or large amounts of data in a connected environment, as the client simply displays the image that the server returns. This can result in more accurate and faster-performing layers.

How to use the sample

Run the sample and view the map image layer. As you navigate the map, the layer issues image requests for the new map extent. The resulting images are rendered on the screen.

How it works

  1. Create an instance of ArcGISMap.
  2. Create an ArcGISMapImageLayer with the URL to a map image service.
  3. Add it to the map's operational layers collection using map.getOperationalLayers().add(mapImageLayer).

Relevant API

  • ArcGISMapImageLayer

Tags

display, image, layer, map

Sample Code

MainActivity.java
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/* Copyright 2016 Esri
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.esri.arcgisruntime.sample.arcgismapimagelayerurl;

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;
import com.esri.arcgisruntime.layers.ArcGISMapImageLayer;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.view.MapView;

public class MainActivity extends AppCompatActivity {

  private MapView mMapView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    // get a reference to the map view
    mMapView = findViewById(R.id.mapView);
    // create a MapImageLayer with dynamically generated map images
    ArcGISMapImageLayer mapImageLayer = new ArcGISMapImageLayer("https://sampleserver5.arcgisonline.com/arcgis/rest/services/Elevation/WorldElevations/MapServer");
    // create an empty map instance
    ArcGISMap map = new ArcGISMap();
    // add map image layer as operational layer
    map.getOperationalLayers().add(mapImageLayer);
    // set the map to be displayed in this view
    mMapView.setMap(map);
  }

  @Override
  protected void onPause() {
    super.onPause();
    mMapView.pause();
  }

  @Override
  protected void onResume() {
    super.onResume();
    mMapView.resume();
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    mMapView.dispose();
  }
}

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