Application master view

WelcomeScreen.kt

fun WelcomeScreen(onTerminate: @Composable () -> Unit) {
    val model = hiltViewModel<WelcomeViewModel>()
    val state = model.state.collectAsState(WelcomeUiState.Loading)

    BackHandler(onBack = { model.process(Back) })

    when (val uiState = state.value) {
        
        // Native ui-state rendering...

        // Render login screens
        is WelcomeUiState.Login -> LoginScreen(
            state = uiState.value,
            onGesture = { model.process(Login(it)) }
        )
      
        // Render registration screens      
        is WelcomeUiState.Register -> RegistrationScreen(
            state = uiState.value,
            onGesture = { model.process(Register(it))}
        )
    }
}