ArcGIS Tiled Layer URL

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# ArcGIS Tiled Layer URL
Load an ArcGIS Tiled Layer from a URL.

![Tiled Layer from URL App](arcgis-tiledlayer-url.png)

## How to use the sample
Simply run the app.

## How it works
An `ArcGISTiledLayer` from an ArcGIS Online service URL is added to the `ArcGISMap` as an operational layer.

```java
// create new Tiled Layer from service url
ArcGISTiledLayer tiledLayerBaseMap = new ArcGISTiledLayer(getResources().getString(R.string.world_topo_service));
// set tiled layer as basemap
Basemap basemap = new Basemap(tiledLayerBaseMap);
// create a map with the basemap
ArcGISMap map = new ArcGISMap(basemap);
// set the map to be displayed in this view
mMapView.setMap(map);
```

## Relevant API
* ArcGISMap
* ArcGISTiledLayer
* Basemap
* MapView

#### Tags
Layers

Code

/* 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.tiledlayerfromurl;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;

import com.esri.arcgisruntime.layers.ArcGISTiledLayer;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.Basemap;
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);

    // inflate MapView from layout
    mMapView = (MapView) findViewById(R.id.mapViewLayout);
    // create new Tiled Layer from service url
    ArcGISTiledLayer tiledLayerBaseMap = new ArcGISTiledLayer(getResources().getString(R.string.world_topo_service));
    // set tiled layer as basemap
    Basemap basemap = new Basemap(tiledLayerBaseMap);
    // create a map with the basemap
    ArcGISMap map = new ArcGISMap(basemap);
    // 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();
  }
}