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/* Copyright 2022 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.arcgismaps.sample.showdevicelocation
import android.Manifest.permission.ACCESS_COARSE_LOCATION
import android.Manifest.permission.ACCESS_FINE_LOCATION
import android.content.pm.PackageManager
import android.os.Bundle
import android.view.View
import android.widget.AdapterView
import androidx.appcompat.app.AppCompatActivity
import androidx.core.app.ActivityCompat
import androidx.core.content.ContextCompat
import androidx.databinding.DataBindingUtil
import androidx.lifecycle.lifecycleScope
import com.arcgismaps.ApiKey
import com.arcgismaps.ArcGISEnvironment
import com.arcgismaps.location.LocationDisplayAutoPanMode
import com.arcgismaps.mapping.ArcGISMap
import com.arcgismaps.mapping.BasemapStyle
import com.esri.arcgismaps.sample.showdevicelocation.databinding.ActivityMainBinding
import com.google.android.material.snackbar.Snackbar
import kotlinx.coroutines.launch
class MainActivity : AppCompatActivity() {
// set up data binding for the activity
private val activityMainBinding: ActivityMainBinding by lazy {
DataBindingUtil.setContentView(this, R.layout.activity_main)
}
private val mapView by lazy {
activityMainBinding.mapView
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
// authentication with an API key or named user is
// required to access basemaps and other location services
ArcGISEnvironment.apiKey = ApiKey.create(BuildConfig.API_KEY)
// some parts of the API require an Android Context to properly interact with Android system
// features, such as LocationProvider and application resources
ArcGISEnvironment.applicationContext = applicationContext
lifecycle.addObserver(mapView)
// create and add a map with a navigation night basemap style
val map = ArcGISMap(BasemapStyle.ArcGISNavigationNight)
mapView.map = map
val locationDisplay = mapView.locationDisplay
lifecycleScope.launch {
// listen to changes in the status of the location data source
locationDisplay.dataSource.start()
.onSuccess {
// permission already granted, so start the location display
activityMainBinding.spinner.setSelection(1, true)
}.onFailure {
// check permissions to see if failure may be due to lack of permissions
requestPermissions()
}
}
// populate the list for the location display options for the spinner's adapter
val panModeSpinnerElements = arrayListOf(
ItemData("Stop", R.drawable.locationdisplaydisabled),
ItemData("On", R.drawable.locationdisplayon),
ItemData("Re-center", R.drawable.locationdisplayrecenter),
ItemData("Navigation", R.drawable.locationdisplaynavigation),
ItemData("Compass", R.drawable.locationdisplayheading)
)
activityMainBinding.spinner.apply {
adapter = SpinnerAdapter(this@MainActivity, R.id.locationTextView, panModeSpinnerElements)
onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
override fun onItemSelected(
parent: AdapterView<*>?,
view: View,
position: Int,
id: Long
) {
when (panModeSpinnerElements[position].text) {
"Stop" -> // stop location display
lifecycleScope.launch {
locationDisplay.dataSource.stop()
}
"On" -> // start location display
lifecycleScope.launch {
locationDisplay.dataSource.start()
}
"Re-center" -> {
// re-center MapView on location
locationDisplay.setAutoPanMode(LocationDisplayAutoPanMode.Recenter)
}
"Navigation" -> {
// start navigation mode
locationDisplay.setAutoPanMode(LocationDisplayAutoPanMode.Navigation)
}
"Compass" -> {
// start compass navigation mode
locationDisplay.setAutoPanMode(LocationDisplayAutoPanMode.CompassNavigation)
}
}
}
override fun onNothingSelected(parent: AdapterView<*>?) {}
}
}
}
/**
* Request fine and coarse location permissions for API level 23+.
*/
private fun requestPermissions() {
// coarse location permission
val permissionCheckCoarseLocation =
ContextCompat.checkSelfPermission(this@MainActivity, ACCESS_COARSE_LOCATION) ==
PackageManager.PERMISSION_GRANTED
// fine location permission
val permissionCheckFineLocation =
ContextCompat.checkSelfPermission(this@MainActivity, ACCESS_FINE_LOCATION) ==
PackageManager.PERMISSION_GRANTED
// if permissions are not already granted, request permission from the user
if (!(permissionCheckCoarseLocation && permissionCheckFineLocation)) {
ActivityCompat.requestPermissions(
this@MainActivity,
arrayOf(ACCESS_COARSE_LOCATION, ACCESS_FINE_LOCATION),
2
)
} else {
// permission already granted, so start the location display
lifecycleScope.launch {
mapView.locationDisplay.dataSource.start().onSuccess {
activityMainBinding.spinner.setSelection(1, true)
}
}
}
}
/**
* Handle the permissions request response.
*/
override fun onRequestPermissionsResult(
requestCode: Int,
permissions: Array<String>,
grantResults: IntArray
) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults)
if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
lifecycleScope.launch {
mapView.locationDisplay.dataSource.start().onSuccess {
activityMainBinding.spinner.setSelection(1, true)
}
}
} else {
Snackbar.make(
mapView,
"Location permissions required to run this sample!",
Snackbar.LENGTH_LONG
).show()
// update UI to reflect that the location display did not actually start
activityMainBinding.spinner.setSelection(0, true)
}
}
}