MainActivity.kt

class MainActivity : ComponentActivity() {

    @OptIn(ExperimentalPermissionsApi::class)
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        mainActivity = this
        setContent {
            val permissionState =
                rememberMultiplePermissionsState(
                    listOf(
                        Manifest.permission.CAMERA,
                        Manifest.permission.RECORD_AUDIO,
                    )
                )
            LaunchedEffect(key1 = true) {
                permissionState.launchMultiplePermissionRequest()
            }

            if (permissionState.allPermissionsGranted) {
                VideoCallCompose()
            }
        }
    }

}