Bluetooth activation request for Compose

BluetoothExt.kt

@Composable
fun ActivateBluetooth(launcher: (() -> Unit) -> Unit, isRequestingActivation: (Boolean) -> Unit,
                      onActivated: () -> Unit) {
    val bluetoothActivationLauncher =
        rememberLauncherForActivityResult(RequestBluetoothActivation()) {
            if (it) {
                isRequestingActivation(false)
                onActivated()
            }
        }
    launcher {
        isRequestingActivation(true)
        bluetoothActivationLauncher.launch()
    }
}

Usage.kt

var bluetoothLauncher: (() -> Unit)? = null
var isRequestingBluetoothActivation = false

// Composable
ActivateBluetooth(
    launcher = { bluetoothLauncher = it },
    isRequestingActivation = { isRequestingBluetoothActivation = it },
    onActivated = { vm reduce Action.SearchAgain },
)

// Launch bluetooth activation
if (!isRequestingBluetoothActivation)
  bluetoothLauncher?.invoke()