Update Nav3 to beta01 (#672)

* Update Nav3 to beta01

* Apply Spotless

Author: srikrishnasakunia

compose/snippets/src/main/java/com/example/compose/snippets/navigation3/animations/AnimationSnippets.kt

@@ -33,7 +33,6 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.ui.Modifier
 import androidx.navigation3.runtime.NavKey
-import androidx.navigation3.runtime.entry
 import androidx.navigation3.runtime.entryProvider
 import androidx.navigation3.runtime.rememberNavBackStack
 import androidx.navigation3.ui.NavDisplay

compose/snippets/src/main/java/com/example/compose/snippets/navigation3/basic/BasicSnippets.kt

@@ -22,7 +22,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.remember
 import androidx.navigation3.runtime.NavEntry
-import androidx.navigation3.runtime.entry
 import androidx.navigation3.runtime.entryProvider
 import androidx.navigation3.ui.NavDisplay
 import com.example.compose.snippets.navigation3.ContentBlue

compose/snippets/src/main/java/com/example/compose/snippets/navigation3/savingstate/SavingStateSnippets.kt

@@ -21,9 +21,8 @@ import androidx.lifecycle.viewmodel.navigation3.rememberViewModelStoreNavEntryDe
 import androidx.navigation3.runtime.NavKey
 import androidx.navigation3.runtime.entryProvider
 import androidx.navigation3.runtime.rememberNavBackStack
-import androidx.navigation3.runtime.rememberSavedStateNavEntryDecorator
+import androidx.navigation3.runtime.rememberSaveableStateHolderNavEntryDecorator
 import androidx.navigation3.ui.NavDisplay
-import androidx.navigation3.ui.rememberSceneSetupNavEntryDecorator
 import kotlinx.serialization.Serializable
 
 // [START android_compose_navigation3_savingstate_1]
@@ -45,8 +44,7 @@ fun ScopingViewModels() {
     NavDisplay(
         entryDecorators = listOf(
             // Add the default decorators for managing scenes and saving state
-            rememberSceneSetupNavEntryDecorator(),
-            rememberSavedStateNavEntryDecorator(),
+            rememberSaveableStateHolderNavEntryDecorator(),
             // Then add the view model store decorator
             rememberViewModelStoreNavEntryDecorator()
         ),

compose/snippets/src/main/java/com/example/compose/snippets/navigation3/scenes/ScenesSnippets.kt

@@ -21,19 +21,19 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material3.Button
 import androidx.compose.material3.Text
-import androidx.compose.material3.adaptive.ExperimentalMaterial3AdaptiveApi
 import androidx.compose.material3.adaptive.currentWindowAdaptiveInfo
-import androidx.compose.material3.windowsizeclass.ExperimentalMaterial3WindowSizeClassApi
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.navigation3.runtime.NavEntry
 import androidx.navigation3.runtime.NavKey
-import androidx.navigation3.runtime.entry
 import androidx.navigation3.runtime.entryProvider
 import androidx.navigation3.runtime.rememberNavBackStack
+import androidx.navigation3.scene.Scene
+import androidx.navigation3.scene.SceneStrategy
+import androidx.navigation3.scene.SceneStrategyScope
 import androidx.navigation3.ui.NavDisplay
-import androidx.navigation3.ui.Scene
-import androidx.navigation3.ui.SceneStrategy
+import androidx.window.core.layout.WindowSizeClass
 import androidx.window.core.layout.WindowSizeClass.Companion.WIDTH_DP_MEDIUM_LOWER_BOUND
 import kotlinx.serialization.Serializable
 
@@ -63,8 +63,7 @@ data class SinglePaneScene<T : Any>(
  * list.
  */
 public class SinglePaneSceneStrategy<T : Any> : SceneStrategy<T> {
-    @Composable
-    override fun calculateScene(entries: List<NavEntry<T>>, onBack: (Int) -> Unit): Scene<T> =
+    override fun SceneStrategyScope<T>.calculateScene(entries: List<NavEntry<T>>): Scene<T>? =
         SinglePaneScene(
             key = entries.last().contentKey,
             entry = entries.last(),
@@ -106,21 +105,22 @@ class TwoPaneScene<T : Any>(
     }
 }
 
+@Composable
+fun <T : Any> rememberTwoPaneSceneStrategy(): TwoPaneSceneStrategy<T> {
+    val windowSizeClass = currentWindowAdaptiveInfo().windowSizeClass
+
+    return remember(windowSizeClass) {
+        TwoPaneSceneStrategy(windowSizeClass)
+    }
+}
+
 // --- TwoPaneSceneStrategy ---
 /**
  * A [SceneStrategy] that activates a [TwoPaneScene] if the window is wide enough
  * and the top two back stack entries declare support for two-pane display.
  */
-class TwoPaneSceneStrategy<T : Any> : SceneStrategy<T> {
-    @OptIn(ExperimentalMaterial3AdaptiveApi::class, ExperimentalMaterial3WindowSizeClassApi::class)
-    @Composable
-    override fun calculateScene(
-        entries: List<NavEntry<T>>,
-        onBack: (Int) -> Unit
-    ): Scene<T>? {
-
-        val windowSizeClass = currentWindowAdaptiveInfo().windowSizeClass
-
+class TwoPaneSceneStrategy<T : Any>(val windowSizeClass: WindowSizeClass) : SceneStrategy<T> {
+    override fun SceneStrategyScope<T>.calculateScene(entries: List<NavEntry<T>>): Scene<T>? {
         // Condition 1: Only return a Scene if the window is sufficiently wide to render two panes.
         // We use isWidthAtLeastBreakpoint with WIDTH_DP_MEDIUM_LOWER_BOUND (600dp).
         if (!windowSizeClass.isWidthAtLeastBreakpoint(WIDTH_DP_MEDIUM_LOWER_BOUND)) {
@@ -193,12 +193,10 @@ fun MyAppContent() {
             // ... other entries ...
         },
         // Simply provide your custom strategy. NavDisplay will fall back to SinglePaneSceneStrategy automatically.
-        sceneStrategy = TwoPaneSceneStrategy<Any>(),
-        onBack = { count ->
-            repeat(count) {
-                if (backStack.isNotEmpty()) {
-                    backStack.removeLastOrNull()
-                }
+        sceneStrategy = rememberTwoPaneSceneStrategy(),
+        onBack = {
+            if (backStack.isNotEmpty()) {
+                backStack.removeLastOrNull()
             }
         }
     )

compose/snippets/src/main/java/com/example/compose/snippets/navigation3/scenes/material/MaterialScenesSnippets.kt

@@ -31,7 +31,6 @@ import androidx.compose.material3.adaptive.navigation3.rememberListDetailSceneSt
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.navigation3.runtime.NavKey
-import androidx.navigation3.runtime.entry
 import androidx.navigation3.runtime.entryProvider
 import androidx.navigation3.runtime.rememberNavBackStack
 import androidx.navigation3.ui.NavDisplay
@@ -61,12 +60,12 @@ class MaterialListDetailActivity : ComponentActivity() {
         setContent {
             Scaffold { paddingValues ->
                 val backStack = rememberNavBackStack(ProductList)
-                val listDetailStrategy = rememberListDetailSceneStrategy<Any>()
+                val listDetailStrategy = rememberListDetailSceneStrategy<NavKey>()
 
                 NavDisplay(
                     backStack = backStack,
                     modifier = Modifier.padding(paddingValues),
-                    onBack = { keysToRemove -> repeat(keysToRemove) { backStack.removeLastOrNull() } },
+                    onBack = { backStack.removeLastOrNull() },
                     sceneStrategy = listDetailStrategy,
                     entryProvider = entryProvider {
                         entry<ProductList>(

gradle/libs.versions.toml

@@ -17,10 +17,10 @@ androidx-credentials-play-services-auth = "1.5.0"
 androidx-emoji2-views = "1.5.0"
 androidx-fragment-ktx = "1.8.9"
 androidx-glance-appwidget = "1.1.1"
-androidx-lifecycle-viewmodel-navigation3 = "1.0.0-alpha04"
-androidx-navigation3 = "1.0.0-alpha09"
-androidx-lifecycle-compose = "2.9.2"
-androidx-lifecycle-runtime-compose = "2.9.2"
+androidx-lifecycle-viewmodel-navigation3 = "2.10.0-beta01"
+androidx-navigation3 = "1.0.0-beta01"
+androidx-lifecycle-compose = "2.10.0-beta01"
+androidx-lifecycle-runtime-compose = "2.10.0-beta01"
 androidx-navigation = "2.9.3"
 androidx-paging = "3.3.6"
 androidx-startup-runtime = "1.2.0"
@@ -60,7 +60,7 @@ maps-compose = "6.7.2"
 material = "1.14.0-alpha03"
 material3-adaptive = "1.1.0"
 material3-adaptive-navigation-suite = "1.3.2"
-material3-adaptive-navigation3 = "1.0.0-alpha02"
+material3-adaptive-navigation3 = "1.3.0-alpha01"
 media3 = "1.8.0"
 # @keep
 minSdk = "35"