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@Composable | |
fun AppScaffold() { | |
val viewModel: MainViewModel = viewModel() | |
val navController = rememberNavController() | |
val scaffoldState = rememberScaffoldState() | |
val scope = rememberCoroutineScope() | |
val currentScreen by viewModel.currentScreen.observeAsState() | |
var topBar : @Composable () -> Unit = { | |
TopBar( | |
title = currentScreen!!.title, | |
buttonIcon = Icons.Filled.Menu, | |
onButtonClicked = { | |
scope.launch { | |
scaffoldState.drawerState.open() | |
} | |
} | |
) | |
} | |
if (currentScreen == Screens.DrawerScreens.Help) { | |
topBar = { | |
TopBar( | |
title = Screens.DrawerScreens.Help.title, | |
buttonIcon = Icons.Filled.ArrowBack, | |
onButtonClicked = { | |
navController.popBackStack() | |
} | |
) | |
} | |
} | |
val bottomBar: @Composable () -> Unit = { | |
if (currentScreen == Screens.DrawerScreens.Home || currentScreen is Screens.HomeScreens) { | |
BottomBar( | |
navController = navController, | |
screens = screensInHomeFromBottomNav | |
) | |
} | |
} | |
Scaffold( | |
topBar = { | |
topBar() | |
}, | |
bottomBar = { | |
bottomBar() | |
}, | |
scaffoldState = scaffoldState, | |
drawerContent = { | |
Drawer { screen -> | |
scope.launch { | |
scaffoldState.drawerState.close() | |
} | |
navController.navigate(screen.route) { | |
popUpTo = navController.graph.startDestination | |
launchSingleTop = true | |
} | |
} | |
}, | |
drawerGesturesEnabled = scaffoldState.drawerState.isOpen, | |
) { innerPadding -> | |
NavigationHost(navController = navController, viewModel = viewModel) | |
} | |
} |
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