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[#552] Define a "mainNavGraph" in sample-compose
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54 changes: 54 additions & 0 deletions
54
sample-compose/app/src/main/java/co/nimblehq/sample/compose/ui/AppNavGraph.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package co.nimblehq.sample.compose.ui | ||
|
|
||
| import androidx.compose.runtime.Composable | ||
| import androidx.navigation.NavBackStackEntry | ||
| import androidx.navigation.NavDeepLink | ||
| import androidx.navigation.NavGraphBuilder | ||
| import androidx.navigation.NavHostController | ||
| import androidx.navigation.compose.NavHost | ||
| import androidx.navigation.compose.composable | ||
| import co.nimblehq.sample.compose.ui.screens.main.mainNavGraph | ||
|
|
||
| @Composable | ||
| fun AppNavigation( | ||
| navController: NavHostController, | ||
| ) { | ||
| NavHost( | ||
| navController = navController, | ||
| route = AppDestination.RootNavGraph.route, | ||
| startDestination = AppDestination.MainNavGraph.destination | ||
| ) { | ||
| mainNavGraph(navController = navController) | ||
| } | ||
| } | ||
|
|
||
| fun NavGraphBuilder.composable( | ||
| destination: AppDestination, | ||
| deepLinks: List<NavDeepLink> = emptyList(), | ||
| content: @Composable (NavBackStackEntry) -> Unit, | ||
| ) { | ||
| composable( | ||
| route = destination.route, | ||
| arguments = destination.arguments, | ||
| deepLinks = deepLinks, | ||
| content = content | ||
| ) | ||
| } | ||
|
|
||
| /** | ||
| * Navigate to provided [AppDestination] with a Pair of key value String and Data [parcel] | ||
| * Caution to use this method. This method use savedStateHandle to store the Parcelable data. | ||
| * When previousBackstackEntry is popped out from navigation stack, savedStateHandle will return null and cannot retrieve data. | ||
| * eg.Login -> Home, the Login screen will be popped from the back-stack on logging in successfully. | ||
| */ | ||
| fun NavHostController.navigate(appDestination: AppDestination, parcel: Pair<String, Any?>? = null) { | ||
| when (appDestination) { | ||
| is AppDestination.Up -> navigateUp() | ||
| else -> { | ||
| parcel?.let { (key, value) -> | ||
| currentBackStackEntry?.savedStateHandle?.set(key, value) | ||
| } | ||
| navigate(route = appDestination.destination) | ||
| } | ||
| } | ||
| } |
73 changes: 0 additions & 73 deletions
73
sample-compose/app/src/main/java/co/nimblehq/sample/compose/ui/AppNavigation.kt
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2 changes: 1 addition & 1 deletion
2
...blehq/sample/compose/ui/screens/AppBar.kt → ...mblehq/sample/compose/ui/common/AppBar.kt
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47 changes: 47 additions & 0 deletions
47
sample-compose/app/src/main/java/co/nimblehq/sample/compose/ui/screens/main/MainNavGraph.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| package co.nimblehq.sample.compose.ui.screens.main | ||
|
|
||
| import androidx.navigation.NavGraphBuilder | ||
| import androidx.navigation.NavHostController | ||
| import androidx.navigation.navigation | ||
| import co.nimblehq.sample.compose.model.UiModel | ||
| import co.nimblehq.sample.compose.ui.AppDestination | ||
| import co.nimblehq.sample.compose.ui.KeyId | ||
| import co.nimblehq.sample.compose.ui.KeyModel | ||
| import co.nimblehq.sample.compose.ui.composable | ||
| import co.nimblehq.sample.compose.ui.navigate | ||
| import co.nimblehq.sample.compose.ui.screens.main.home.HomeScreen | ||
| import co.nimblehq.sample.compose.ui.screens.main.second.SecondScreen | ||
| import co.nimblehq.sample.compose.ui.screens.main.third.ThirdScreen | ||
|
|
||
| fun NavGraphBuilder.mainNavGraph( | ||
| navController: NavHostController, | ||
| ) { | ||
| navigation( | ||
| route = AppDestination.MainNavGraph.route, | ||
| startDestination = AppDestination.Home.destination | ||
| ) { | ||
| composable(destination = AppDestination.Home) { | ||
| HomeScreen( | ||
| navigator = { destination -> | ||
| navController.navigate(destination, destination.parcelableArgument) | ||
| } | ||
| ) | ||
| } | ||
|
|
||
| composable(destination = AppDestination.Second) { backStackEntry -> | ||
| SecondScreen( | ||
| navigator = { destination -> navController.navigate(destination) }, | ||
| id = backStackEntry.arguments?.getString(KeyId).orEmpty() | ||
| ) | ||
| } | ||
|
|
||
| composable(destination = AppDestination.Third) { | ||
| ThirdScreen( | ||
| navigator = { destination -> navController.navigate(destination) }, | ||
| model = navController.previousBackStackEntry?.savedStateHandle?.get<UiModel>( | ||
| KeyModel | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
| } |
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2 changes: 1 addition & 1 deletion
2
...hq/sample/compose/ui/screens/home/Item.kt → ...mple/compose/ui/screens/main/home/Item.kt
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2 changes: 1 addition & 1 deletion
2
...ample/compose/ui/screens/home/ItemList.kt → .../compose/ui/screens/main/home/ItemList.kt
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2 changes: 1 addition & 1 deletion
2
...pose/ui/screens/second/SecondViewModel.kt → ...ui/screens/main/second/SecondViewModel.kt
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2 changes: 1 addition & 1 deletion
2
...ompose/ui/screens/third/ThirdViewModel.kt → ...e/ui/screens/main/third/ThirdViewModel.kt
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2 changes: 1 addition & 1 deletion
2
...compose/ui/screens/home/HomeScreenTest.kt → ...se/ui/screens/main/home/HomeScreenTest.kt
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