# NavHost Common/AllAndroid/JVM ## Functions summary |---|---|---| | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `@https://developer.android.com/reference/kotlin/androidx/compose/runtime/Composable https://developer.android.com/reference/kotlin/androidx/navigation/compose/NavHost.composable#NavHost(androidx.navigation.NavHostController,androidx.navigation.NavGraph,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1)( navController: https://developer.android.com/reference/kotlin/androidx/navigation/NavHostController, graph: https://developer.android.com/reference/kotlin/androidx/navigation/NavGraph, modifier: https://developer.android.com/reference/kotlin/androidx/compose/ui/Modifier, contentAlignment: https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment, enterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, exitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, popEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, popExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, predictivePopEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, predictivePopExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, sizeTransform: (https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/SizeTransform?)? )` Provides a place in the Compose hierarchy for self contained navigation to occur. | Cmn | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `@https://developer.android.com/reference/kotlin/androidx/compose/runtime/Composable https://developer.android.com/reference/kotlin/androidx/navigation/compose/NavHost.composable#NavHost(androidx.navigation.NavHostController,kotlin.String,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.String,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1,kotlin.Function1)( navController: https://developer.android.com/reference/kotlin/androidx/navigation/NavHostController, startDestination: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html, modifier: https://developer.android.com/reference/kotlin/androidx/compose/ui/Modifier, contentAlignment: https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment, route: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html?, enterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, exitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, popEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, popExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, predictivePopEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, predictivePopExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, sizeTransform: (https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/SizeTransform?)?, builder: https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder.() -> https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html )` Provides a place in the Compose hierarchy for self contained navigation to occur. | Cmn | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `@https://developer.android.com/reference/kotlin/androidx/compose/runtime/Composable https://developer.android.com/reference/kotlin/androidx/navigation/compose/NavHost.composable#NavHost(androidx.navigation.NavHostController,kotlin.Any,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.reflect.KClass,kotlin.collections.Map,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1,kotlin.Function1)( navController: https://developer.android.com/reference/kotlin/androidx/navigation/NavHostController, startDestination: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html, modifier: https://developer.android.com/reference/kotlin/androidx/compose/ui/Modifier, contentAlignment: https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment, route: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-class/index.html<*>?, typeMap: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html>, enterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, exitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, popEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, popExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, predictivePopEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, predictivePopExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, sizeTransform: (https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/SizeTransform?)?, builder: https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder.() -> https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html )` Provides in place in the Compose hierarchy for self contained navigation to occur. | Cmn | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `@https://developer.android.com/reference/kotlin/androidx/compose/runtime/Composable https://developer.android.com/reference/kotlin/androidx/navigation/compose/NavHost.composable#NavHost(androidx.navigation.NavHostController,kotlin.reflect.KClass,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.reflect.KClass,kotlin.collections.Map,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1,kotlin.Function1)( navController: https://developer.android.com/reference/kotlin/androidx/navigation/NavHostController, startDestination: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-class/index.html<*>, modifier: https://developer.android.com/reference/kotlin/androidx/compose/ui/Modifier, contentAlignment: https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment, route: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-class/index.html<*>?, typeMap: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html>, enterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, exitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, popEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, popExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, predictivePopEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition, predictivePopExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition, sizeTransform: (https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/SizeTransform?)?, builder: https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder.() -> https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html )` Provides a place in the Compose hierarchy for self contained navigation to occur. | Cmn | ## Functions ### NavHost Cmn Artifact: [androidx.navigation:navigation-compose](https://developer.android.com/jetpack/androidx/releases/navigation) [View Source](https://cs.android.com/search?q=file:androidx/navigation/compose/NavHost.kt+function:NavHost) ``` @Composable fun NavHost(     navController: NavHostController,     graph: NavGraph,     modifier: Modifier = Modifier,     contentAlignment: Alignment = Alignment.TopStart,     enterTransition: AnimatedContentTransitionScope.() -> EnterTransition = DefaultNavTransitions.enterTransition,     exitTransition: AnimatedContentTransitionScope.() -> ExitTransition = DefaultNavTransitions.exitTransition,     popEnterTransition: AnimatedContentTransitionScope.() -> EnterTransition = DefaultNavTransitions.popEnterTransition(enterTransition),     popExitTransition: AnimatedContentTransitionScope.() -> ExitTransition = DefaultNavTransitions.popExitTransition(exitTransition),     predictivePopEnterTransition: AnimatedContentTransitionScope.(Int) -> EnterTransition = DefaultNavTransitions.predictivePopEnterTransition,     predictivePopExitTransition: AnimatedContentTransitionScope.(Int) -> ExitTransition = DefaultNavTransitions.predictivePopExitTransition,     sizeTransform: (AnimatedContentTransitionScope.() -> SizeTransform?)? = DefaultNavTransitions.sizeTransform ): Unit ``` Provides a place in the Compose hierarchy for self contained navigation to occur. Once this is called, any Composable within the given `https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder` can be navigated to from the provided `https://developer.android.com/reference/kotlin/androidx/navigation/compose/package-summary#NavHost(androidx.navigation.NavHostController,androidx.navigation.NavGraph,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1)`. | Parameters | |---|---| | `navController: https://developer.android.com/reference/kotlin/androidx/navigation/NavHostController` | the navController for this host | | `graph: https://developer.android.com/reference/kotlin/androidx/navigation/NavGraph` | the graph for this host | | `modifier: https://developer.android.com/reference/kotlin/androidx/compose/ui/Modifier = Modifier` | The modifier to be applied to the layout. | | `contentAlignment: https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment = Alignment.TopStart` | The `https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment` of the `https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContent.composable#AnimatedContent(kotlin.Any,androidx.compose.ui.Modifier,kotlin.Function1,androidx.compose.ui.Alignment,kotlin.String,kotlin.Function1,kotlin.Function2)` | | `enterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.enterTransition` | callback to define enter transitions for destination in this host | | `exitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.exitTransition` | callback to define exit transitions for destination in this host | | `popEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.popEnterTransition(enterTransition)` | callback to define popEnter transitions for destination in this host | | `popExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.popExitTransition(exitTransition)` | callback to define popExit transitions for destination in this host | | `predictivePopEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.predictivePopEnterTransition` | callback to define predictivePopEnter transitions for destination in this host | | `predictivePopExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.predictivePopExitTransition` | callback to define predictivePopExit transitions for destination in this host | | `sizeTransform: (https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/SizeTransform?)? = DefaultNavTransitions.sizeTransform` | callback to define the size transform for destinations in this host | ### NavHost Cmn Artifact: [androidx.navigation:navigation-compose](https://developer.android.com/jetpack/androidx/releases/navigation) [View Source](https://cs.android.com/search?q=file:androidx/navigation/compose/NavHost.kt+function:NavHost) ``` @Composable fun NavHost(     navController: NavHostController,     startDestination: String,     modifier: Modifier = Modifier,     contentAlignment: Alignment = Alignment.TopStart,     route: String? = null,     enterTransition: AnimatedContentTransitionScope.() -> EnterTransition = DefaultNavTransitions.enterTransition,     exitTransition: AnimatedContentTransitionScope.() -> ExitTransition = DefaultNavTransitions.exitTransition,     popEnterTransition: AnimatedContentTransitionScope.() -> EnterTransition = DefaultNavTransitions.popEnterTransition(enterTransition),     popExitTransition: AnimatedContentTransitionScope.() -> ExitTransition = DefaultNavTransitions.popExitTransition(exitTransition),     predictivePopEnterTransition: AnimatedContentTransitionScope.(Int) -> EnterTransition = DefaultNavTransitions.predictivePopEnterTransition,     predictivePopExitTransition: AnimatedContentTransitionScope.(Int) -> ExitTransition = DefaultNavTransitions.predictivePopExitTransition,     sizeTransform: (AnimatedContentTransitionScope.() -> SizeTransform?)? = DefaultNavTransitions.sizeTransform,     builder: NavGraphBuilder.() -> Unit ): Unit ``` Provides a place in the Compose hierarchy for self contained navigation to occur. Once this is called, any Composable within the given `https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder` can be navigated to from the provided `https://developer.android.com/reference/kotlin/androidx/navigation/compose/package-summary#NavHost(androidx.navigation.NavHostController,kotlin.String,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.String,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1,kotlin.Function1)`. The builder passed into this method is `https://developer.android.com/reference/kotlin/androidx/compose/runtime/remember.composable#remember(kotlin.Function0)`ed. This means that for this NavHost, the contents of the builder cannot be changed. | Parameters | |---|---| | `navController: https://developer.android.com/reference/kotlin/androidx/navigation/NavHostController` | the navController for this host | | `startDestination: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html` | the route for the start destination | | `modifier: https://developer.android.com/reference/kotlin/androidx/compose/ui/Modifier = Modifier` | The modifier to be applied to the layout. | | `contentAlignment: https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment = Alignment.TopStart` | The `https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment` of the `https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContent.composable#AnimatedContent(kotlin.Any,androidx.compose.ui.Modifier,kotlin.Function1,androidx.compose.ui.Alignment,kotlin.String,kotlin.Function1,kotlin.Function2)` | | `route: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html? = null` | the route for the graph | | `enterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.enterTransition` | callback to define enter transitions for destination in this host | | `exitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.exitTransition` | callback to define exit transitions for destination in this host | | `popEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.popEnterTransition(enterTransition)` | callback to define popEnter transitions for destination in this host | | `popExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.popExitTransition(exitTransition)` | callback to define popExit transitions for destination in this host | | `predictivePopEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.predictivePopEnterTransition` | callback to define predictivePopEnter transitions for destination in this host | | `predictivePopExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.predictivePopExitTransition` | callback to define predictivePopExit transitions for destination in this host | | `sizeTransform: (https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/SizeTransform?)? = DefaultNavTransitions.sizeTransform` | callback to define the size transform for destinations in this host | | `builder: https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder.() -> https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | the builder used to construct the graph | ### NavHost Cmn Artifact: [androidx.navigation:navigation-compose](https://developer.android.com/jetpack/androidx/releases/navigation) [View Source](https://cs.android.com/search?q=file:androidx/navigation/compose/NavHost.kt+function:NavHost) ``` @Composable fun NavHost(     navController: NavHostController,     startDestination: Any,     modifier: Modifier = Modifier,     contentAlignment: Alignment = Alignment.TopStart,     route: KClass<*>? = null,     typeMap: Map> = emptyMap(),     enterTransition: AnimatedContentTransitionScope.() -> EnterTransition = DefaultNavTransitions.enterTransition,     exitTransition: AnimatedContentTransitionScope.() -> ExitTransition = DefaultNavTransitions.exitTransition,     popEnterTransition: AnimatedContentTransitionScope.() -> EnterTransition = DefaultNavTransitions.popEnterTransition(enterTransition),     popExitTransition: AnimatedContentTransitionScope.() -> ExitTransition = DefaultNavTransitions.popExitTransition(exitTransition),     predictivePopEnterTransition: AnimatedContentTransitionScope.(Int) -> EnterTransition = DefaultNavTransitions.predictivePopEnterTransition,     predictivePopExitTransition: AnimatedContentTransitionScope.(Int) -> ExitTransition = DefaultNavTransitions.predictivePopExitTransition,     sizeTransform: (AnimatedContentTransitionScope.() -> SizeTransform?)? = DefaultNavTransitions.sizeTransform,     builder: NavGraphBuilder.() -> Unit ): Unit ``` Provides in place in the Compose hierarchy for self contained navigation to occur. Once this is called, any Composable within the given `https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder` can be navigated to from the provided `https://developer.android.com/reference/kotlin/androidx/navigation/compose/package-summary#NavHost(androidx.navigation.NavHostController,kotlin.Any,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.reflect.KClass,kotlin.collections.Map,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1,kotlin.Function1)`. The builder passed into this method is `https://developer.android.com/reference/kotlin/androidx/compose/runtime/remember.composable#remember(kotlin.Function0)`ed. This means that for this NavHost, the contents of the builder cannot be changed. | Parameters | |---|---| | `navController: https://developer.android.com/reference/kotlin/androidx/navigation/NavHostController` | the navController for this host | | `startDestination: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html` | the route from a an Object for the start destination | | `modifier: https://developer.android.com/reference/kotlin/androidx/compose/ui/Modifier = Modifier` | The modifier to be applied to the layout. | | `contentAlignment: https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment = Alignment.TopStart` | The `https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment` of the `https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContent.composable#AnimatedContent(kotlin.Any,androidx.compose.ui.Modifier,kotlin.Function1,androidx.compose.ui.Alignment,kotlin.String,kotlin.Function1,kotlin.Function2)` | | `route: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-class/index.html<*>? = null` | the route from a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-class/index.html` for the graph | | `typeMap: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html> = emptyMap()` | map of destination arguments' kotlin type `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-type/index.html` to its respective custom `https://developer.android.com/reference/kotlin/androidx/navigation/NavType`. May be empty if `https://developer.android.com/reference/kotlin/androidx/navigation/compose/package-summary#NavHost(androidx.navigation.NavHostController,kotlin.Any,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.reflect.KClass,kotlin.collections.Map,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1,kotlin.Function1)` does not use custom NavTypes. | | `enterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.enterTransition` | callback to define enter transitions for destination in this host | | `exitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.exitTransition` | callback to define exit transitions for destination in this host | | `popEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.popEnterTransition(enterTransition)` | callback to define popEnter transitions for destination in this host | | `popExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.popExitTransition(exitTransition)` | callback to define popExit transitions for destination in this host | | `predictivePopEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.predictivePopEnterTransition` | callback to define predictivePopEnter transitions for destination in this host | | `predictivePopExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.predictivePopExitTransition` | callback to define predictivePopExit transitions for destination in this host | | `sizeTransform: (https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/SizeTransform?)? = DefaultNavTransitions.sizeTransform` | callback to define the size transform for destinations in this host | | `builder: https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder.() -> https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | the builder used to construct the graph | ### NavHost Cmn Artifact: [androidx.navigation:navigation-compose](https://developer.android.com/jetpack/androidx/releases/navigation) [View Source](https://cs.android.com/search?q=file:androidx/navigation/compose/NavHost.kt+function:NavHost) ``` @Composable fun NavHost(     navController: NavHostController,     startDestination: KClass<*>,     modifier: Modifier = Modifier,     contentAlignment: Alignment = Alignment.TopStart,     route: KClass<*>? = null,     typeMap: Map> = emptyMap(),     enterTransition: AnimatedContentTransitionScope.() -> EnterTransition = DefaultNavTransitions.enterTransition,     exitTransition: AnimatedContentTransitionScope.() -> ExitTransition = DefaultNavTransitions.exitTransition,     popEnterTransition: AnimatedContentTransitionScope.() -> EnterTransition = DefaultNavTransitions.popEnterTransition(enterTransition),     popExitTransition: AnimatedContentTransitionScope.() -> ExitTransition = DefaultNavTransitions.popExitTransition(exitTransition),     predictivePopEnterTransition: AnimatedContentTransitionScope.(Int) -> EnterTransition = DefaultNavTransitions.predictivePopEnterTransition,     predictivePopExitTransition: AnimatedContentTransitionScope.(Int) -> ExitTransition = DefaultNavTransitions.predictivePopExitTransition,     sizeTransform: (AnimatedContentTransitionScope.() -> SizeTransform?)? = DefaultNavTransitions.sizeTransform,     builder: NavGraphBuilder.() -> Unit ): Unit ``` Provides a place in the Compose hierarchy for self contained navigation to occur. Once this is called, any Composable within the given `https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder` can be navigated to from the provided `https://developer.android.com/reference/kotlin/androidx/navigation/compose/package-summary#NavHost(androidx.navigation.NavHostController,kotlin.reflect.KClass,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.reflect.KClass,kotlin.collections.Map,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1,kotlin.Function1)`. The builder passed into this method is `https://developer.android.com/reference/kotlin/androidx/compose/runtime/remember.composable#remember(kotlin.Function0)`ed. This means that for this NavHost, the contents of the builder cannot be changed. | Parameters | |---|---| | `navController: https://developer.android.com/reference/kotlin/androidx/navigation/NavHostController` | the navController for this host | | `startDestination: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-class/index.html<*>` | the route from a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-class/index.html` for the start destination | | `modifier: https://developer.android.com/reference/kotlin/androidx/compose/ui/Modifier = Modifier` | The modifier to be applied to the layout. | | `contentAlignment: https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment = Alignment.TopStart` | The `https://developer.android.com/reference/kotlin/androidx/compose/ui/Alignment` of the `https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContent.composable#AnimatedContent(kotlin.Any,androidx.compose.ui.Modifier,kotlin.Function1,androidx.compose.ui.Alignment,kotlin.String,kotlin.Function1,kotlin.Function2)` | | `route: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-class/index.html<*>? = null` | the route from a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-class/index.html` for the graph | | `typeMap: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html> = emptyMap()` | map of destination arguments' kotlin type `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.reflect/-k-type/index.html` to its respective custom `https://developer.android.com/reference/kotlin/androidx/navigation/NavType`. May be empty if `https://developer.android.com/reference/kotlin/androidx/navigation/compose/package-summary#NavHost(androidx.navigation.NavHostController,kotlin.reflect.KClass,androidx.compose.ui.Modifier,androidx.compose.ui.Alignment,kotlin.reflect.KClass,kotlin.collections.Map,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function1,kotlin.Function2,kotlin.Function2,kotlin.Function1,kotlin.Function1)` does not use custom NavTypes. | | `enterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.enterTransition` | callback to define enter transitions for destination in this host | | `exitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.exitTransition` | callback to define exit transitions for destination in this host | | `popEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.popEnterTransition(enterTransition)` | callback to define popEnter transitions for destination in this host | | `popExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.popExitTransition(exitTransition)` | callback to define popExit transitions for destination in this host | | `predictivePopEnterTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/EnterTransition = DefaultNavTransitions.predictivePopEnterTransition` | callback to define predictivePopEnter transitions for destination in this host | | `predictivePopExitTransition: https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.(https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) -> https://developer.android.com/reference/kotlin/androidx/compose/animation/ExitTransition = DefaultNavTransitions.predictivePopExitTransition` | callback to define predictivePopExit transitions for destination in this host | | `sizeTransform: (https://developer.android.com/reference/kotlin/androidx/compose/animation/AnimatedContentTransitionScope.() -> https://developer.android.com/reference/kotlin/androidx/compose/animation/SizeTransform?)? = DefaultNavTransitions.sizeTransform` | callback to define the size transform for destinations in this host | | `builder: https://developer.android.com/reference/kotlin/androidx/navigation/NavGraphBuilder.() -> https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | the builder used to construct the graph |