MainActivity.kt
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/*
* Copyright 2024 LiveKit, Inc.
*
* 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 io.livekit.android.selfie
import android.Manifest
import android.content.pm.PackageManager
import android.os.Bundle
import android.widget.Toast
import androidx.activity.ComponentActivity
import androidx.activity.result.contract.ActivityResultContracts
import androidx.appcompat.app.AppCompatActivity
import androidx.core.content.ContextCompat
import androidx.lifecycle.ViewModelProvider
import io.livekit.android.renderer.TextureViewRenderer
class MainActivity : AppCompatActivity() {
lateinit var viewModel: MainViewModel
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
viewModel = ViewModelProvider(this)[MainViewModel::class.java]
val renderer = findViewById<TextureViewRenderer>(R.id.renderer)
viewModel.room.initVideoRenderer(renderer)
viewModel.track.observe(this) { track ->
track?.addRenderer(renderer)
}
requestNeededPermissions {
viewModel.startCapture()
}
}
}
fun ComponentActivity.requestNeededPermissions(onPermissionsGranted: (() -> Unit)? = null) {
val requestPermissionLauncher =
registerForActivityResult(
ActivityResultContracts.RequestMultiplePermissions(),
) { grants ->
// Check if any permissions weren't granted.
for (grant in grants.entries) {
if (!grant.value) {
Toast.makeText(
this,
"Missing permission: ${grant.key}",
Toast.LENGTH_SHORT,
)
.show()
}
}
// If all granted, notify if needed.
if (onPermissionsGranted != null && grants.all { it.value }) {
onPermissionsGranted()
}
}
val neededPermissions = listOf(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA)
.filter { ContextCompat.checkSelfPermission(this, it) == PackageManager.PERMISSION_DENIED }
.toTypedArray()
if (neededPermissions.isNotEmpty()) {
requestPermissionLauncher.launch(neededPermissions)
} else {
onPermissionsGranted?.invoke()
}
}