Android permission request for Compose

PermissionsExt.kt

@ExperimentalPermissionsApi
@Composable
fun CheckPermissions(permissions: List<String>, launcher: (() -> Unit) -> Unit,
                     onAllGranted: () -> Unit, onPermissionsNeeded: () -> Unit, ) {
    val multiplePermissionsState = rememberMultiplePermissionsState(permissions)
    val isAlreadyGranted = remember { mutableStateOf(false) }
    launcher { multiplePermissionsState.launchMultiplePermissionRequest() }

    val allGranted = multiplePermissionsState.allPermissionsGranted
    if (allGranted && !isAlreadyGranted.value) {
        isAlreadyGranted.value = true
        onAllGranted()
    } else if (!allGranted) {
        onPermissionsNeeded()
    }
}

Usage.kt

val permissions = listOf(
    Manifest.permission.ACCESS_FINE_LOCATION,
    Manifest.permission.WRITE_EXTERNAL_STORAGE
)
var permissionLauncher: (() -> Unit)? = null

// Composable
CheckPermissions(
    permissions = permissions,
    launcher = { permissionLauncher = it  },
    onAllGranted = { /* Do something on all granted */ },
    onPermissionsNeeded = { /* Do something on permisions needed */ }
)

// Run permission check
permissionLauncher?.invoke()