refactor navigation and settings screens

Author: Idadelveloper

app/src/main/java/org/schabi/newpipe/navigation/Screen.kt

@@ -5,13 +5,13 @@
 
 package org.schabi.newpipe.navigation
 
+import androidx.navigation3.runtime.NavKey
 import kotlinx.serialization.Serializable
 
-
 @Serializable
-sealed interface Screen {
+sealed interface Screen : NavKey {
 
-    sealed interface Settings: Screen {
+    sealed interface Settings : Screen {
         @Serializable
         data object Home : Settings
 
@@ -51,5 +51,4 @@ sealed interface Screen {
         @Serializable
         data object Debug : Settings
     }
-
-}
+}

app/src/main/java/org/schabi/newpipe/navigation/SettingsNavigation.kt

@@ -0,0 +1,55 @@
+/*
+ * SPDX-FileCopyrightText: 2025-2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.navigation
+
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+import androidx.lifecycle.viewmodel.navigation3.rememberViewModelStoreNavEntryDecorator
+import androidx.navigation3.runtime.entryProvider
+import androidx.navigation3.runtime.rememberNavBackStack
+import androidx.navigation3.runtime.rememberSaveableStateHolderNavEntryDecorator
+import androidx.navigation3.ui.NavDisplay
+import org.schabi.newpipe.R
+import org.schabi.newpipe.ui.screens.DebugScreen
+import org.schabi.newpipe.ui.screens.SettingsScreen
+
+@Composable
+fun SettingsNavigation(onExitSettings: () -> Unit) {
+    val backStack = rememberNavBackStack(Screen.Settings.Home)
+
+    val handleBack: () -> Unit = {
+        if (backStack.size > 1) {
+            backStack.removeLastOrNull()
+        } else {
+            onExitSettings()
+        }
+    }
+
+    NavDisplay(
+        backStack = backStack,
+        onBack = handleBack,
+        entryProvider = entryProvider {
+            entry<Screen.Settings.Home> { SettingsScreen(backStack, handleBack) }
+            entry<Screen.Settings.Player> { Text(stringResource(id = R.string.settings_category_player_title)) }
+            entry<Screen.Settings.Behaviour> { Text(stringResource(id = R.string.settings_category_player_behavior_title)) }
+            entry<Screen.Settings.Download> { Text(stringResource(id = R.string.settings_category_downloads_title)) }
+            entry<Screen.Settings.LookFeel> { Text(stringResource(id = R.string.settings_category_look_and_feel_title)) }
+            entry<Screen.Settings.HistoryCache> { Text(stringResource(id = R.string.settings_category_history_title)) }
+            entry<Screen.Settings.Content> { Text(stringResource(id = R.string.settings_category_content_title)) }
+            entry<Screen.Settings.Feed> { Text(stringResource(id = R.string.settings_category_feed_title)) }
+            entry<Screen.Settings.Services> { Text(stringResource(id = R.string.settings_category_services_title)) }
+            entry<Screen.Settings.Language> { Text(stringResource(id = R.string.settings_category_language_title)) }
+            entry<Screen.Settings.BackupRestore> { Text(stringResource(id = R.string.settings_category_backup_restore_title)) }
+            entry<Screen.Settings.Updates> { Text(stringResource(id = R.string.settings_category_updates_title)) }
+            entry<Screen.Settings.Debug> { DebugScreen(backStack) }
+        },
+        entryDecorators = listOf(
+            rememberSaveableStateHolderNavEntryDecorator(),
+            rememberViewModelStoreNavEntryDecorator()
+        )
+    )
+}