remove AboutActivity

app/src/main/AndroidManifest.xml

@@ -95,12 +95,6 @@
             android:exported="false"
             android:label="@string/settings" />
 
-
-        <activity
-            android:name=".about.AboutActivity"
-            android:exported="false"
-            android:label="@string/title_activity_about" />
-
         <service
             android:name="androidx.work.impl.foreground.SystemForegroundService"
             android:foregroundServiceType="dataSync"

app/src/main/java/org/schabi/newpipe/ComposeActivity.kt

@@ -49,6 +49,8 @@ class ComposeActivity : ComponentActivity() {
 
     private fun resolveStartDestination(intent: Intent): NavKey {
         return when (intent.getStringExtra(EXTRA_SCREEN)) {
+            SCREEN_ABOUT -> Screen.About
+
             SCREEN_ERROR -> Screen.Error
 
             SCREEN_SETTINGS -> Screen.Settings.Home
@@ -60,12 +62,21 @@ class ComposeActivity : ComponentActivity() {
     }
 
     companion object {
+
+        const val SCREEN_ABOUT = "about"
+
         const val EXTRA_SCREEN = "extra_screen"
         const val EXTRA_ERROR_INFO = "extra_error_info"
 
         const val SCREEN_ERROR = "error"
         const val SCREEN_SETTINGS = "settings"
 
+        fun aboutIntent(context: Context): Intent {
+            return Intent(context, ComposeActivity::class.java).apply {
+                putExtra(EXTRA_SCREEN, SCREEN_ABOUT)
+            }
+        }
+
         fun errorIntent(context: Context, errorInfo: ErrorInfo): Intent {
             return Intent(context, ComposeActivity::class.java).apply {
                 putExtra(EXTRA_SCREEN, SCREEN_ERROR)

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

@@ -22,6 +22,8 @@ import org.schabi.newpipe.ComposeActivity
 import org.schabi.newpipe.R
 import org.schabi.newpipe.error.ErrorInfo
 import org.schabi.newpipe.error.ErrorReportHelper
+import org.schabi.newpipe.ui.components.common.ScaffoldWithToolbar
+import org.schabi.newpipe.ui.screens.AboutScreen
 import org.schabi.newpipe.ui.screens.ErrorReportEvent
 import org.schabi.newpipe.ui.screens.ErrorReportScreen
 import org.schabi.newpipe.ui.screens.settings.debug.DebugScreen
@@ -55,6 +57,16 @@ fun NavDisplay(startDestination: NavKey) {
             rememberViewModelStoreNavEntryDecorator()
         ),
         entryProvider = entryProvider {
+            // About
+            entry<Screen.About> {
+                ScaffoldWithToolbar(
+                    title = stringResource(R.string.title_activity_about),
+                    onBackClick = ::onNavigateUp
+                ) { padding ->
+                    AboutScreen(padding)
+                }
+            }
+
             // Error Report
             entry<Screen.Error> {
                 val errorInfo = remember {

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

@@ -11,6 +11,9 @@ import kotlinx.serialization.Serializable
 @Serializable
 sealed interface Screen : NavKey {
 
+    @Serializable
+    data object About : Screen
+
     @Serializable
     data object Error : Screen
 

app/src/main/java/org/schabi/newpipe/ui/screens/AboutScreen.kt

@@ -8,6 +8,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.pager.HorizontalPager
 import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.SecondaryTabRow
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Tab
 import androidx.compose.material3.TabRow
@@ -44,7 +45,7 @@ fun AboutScreen(padding: PaddingValues) {
             tabIndex = pagerState.currentPage
         }
 
-        TabRow(
+        SecondaryTabRow(
             selectedTabIndex = tabIndex,
             containerColor = MaterialTheme.colorScheme.primaryContainer
         ) {

app/src/main/java/org/schabi/newpipe/util/NavigationHelper.java

@@ -29,7 +29,6 @@
 import org.schabi.newpipe.NewPipeDatabase;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.RouterActivity;
-import org.schabi.newpipe.about.AboutActivity;
 import org.schabi.newpipe.database.feed.model.FeedGroupEntity;
 import org.schabi.newpipe.download.DownloadActivity;
 import org.schabi.newpipe.error.ErrorUtil;
@@ -635,7 +634,7 @@ public static void openRouterActivity(final Context context, final String url) {
     }
 
     public static void openAbout(final Context context) {
-        final Intent intent = new Intent(context, AboutActivity.class);
+        final Intent intent = ComposeActivity.Companion.aboutIntent(context);
         context.startActivity(intent);
     }