Migrate to ArcGIS location services

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/*
 * Copyright 2020 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
 *
 *    https://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.example.app

import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity

import com.esri.arcgisruntime.ArcGISRuntimeEnvironment
import com.esri.arcgisruntime.mapping.ArcGISMap
import com.esri.arcgisruntime.mapping.BasemapStyle
import com.esri.arcgisruntime.mapping.Viewpoint
import com.esri.arcgisruntime.mapping.view.MapView

import com.example.app.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {

    private val activityMainBinding by lazy {
      ActivityMainBinding.inflate(layoutInflater)
    }

    private val mapView: MapView by lazy {
      activityMainBinding.mapView
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        setContentView(activityMainBinding.root)

        setApiKeyForApp()

        setupMap()

    }

    override fun onPause() {
        mapView.pause()
        super.onPause()
    }

    override fun onResume() {
        super.onResume()
        mapView.resume()
    }

    override fun onDestroy() {
        mapView.dispose()
        super.onDestroy()
    }

    private fun setApiKeyForApp(){
        // set your API key
        // Note: it is not best practice to store API keys in source code. The API key is referenced
        // here for the convenience of this tutorial.

        ArcGISRuntimeEnvironment.setApiKey("YOUR_API_KEY")

    }

    // set up your map here. You will call this method from onCreate()
    private fun setupMap() {

        // create a map with the BasemapStyle streets
        val map = ArcGISMap(BasemapStyle.ARCGIS_TOPOGRAPHIC)

        // set the map to be displayed in the layout's MapView
        mapView.map = map

        // set the viewpoint, Viewpoint(latitude, longitude, scale)
        mapView.setViewpoint(Viewpoint(34.0270, -118.8050, 72000.0))

    }

}

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  // Create a new 'topographic' basemap.
  val basemap = Basemap(BasemapStyle.ARCGIS_TOPOGRAPHIC)

  // Optionally, set a specific API key for the basemap.
  // (Not required if a global API key is set)
  basemap.ApiKey = "YOUR_API_KEY"

  // Create a map that uses the basemap.
  val map = ArcGISMap(basemap)