Scene layer

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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
 *
 *    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.scenelayer

import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment
import com.esri.arcgisruntime.layers.ArcGISSceneLayer
import com.esri.arcgisruntime.mapping.ArcGISScene
import com.esri.arcgisruntime.mapping.BasemapStyle
import com.esri.arcgisruntime.mapping.view.Camera
import com.esri.arcgisruntime.mapping.view.SceneView
import com.esri.arcgisruntime.sample.scenelayer.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {

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

    private val sceneView: SceneView by lazy {
        activityMainBinding.sceneView
    }

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

        // authentication with an API key or named user is required to access basemaps and other
        // location services
        ArcGISRuntimeEnvironment.setApiKey(BuildConfig.API_KEY)

        // create a scene layer from a url
        val sceneLayer = ArcGISSceneLayer(getString(R.string.brest_buildings))

        // create a camera with initial camera position
        val camera = Camera(48.378, -4.494, 200.0, 345.0, 65.0, 0.0)

        // create a scene
        val brestBuildingScene = ArcGISScene(BasemapStyle.ARCGIS_TOPOGRAPHIC).apply {
            // add a scene service to the scene for viewing buildings
            operationalLayers.add(sceneLayer)
        }

        // create a scene view
        sceneView.apply {
            // add the scene to the scene view
            scene = brestBuildingScene
            // set initial camera position
            setViewpointCamera(camera)
        }
    }

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

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

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