Fix: Crash on Samsung Dex when trying to click on a popup menu (e.g. resolution, etc...)

app/src/main/java/org/schabi/newpipe/player/Player.java

@@ -99,6 +99,7 @@
 import org.schabi.newpipe.player.event.PlayerServiceEventListener;
 import org.schabi.newpipe.player.helper.AudioReactor;
 import org.schabi.newpipe.player.helper.CustomRenderersFactory;
+import org.schabi.newpipe.player.helper.DisplayAwareContextWrapper;
 import org.schabi.newpipe.player.helper.LoadController;
 import org.schabi.newpipe.player.helper.PlayerDataSource;
 import org.schabi.newpipe.player.helper.PlayerHelper;
@@ -581,7 +582,12 @@ private void initUIsForCurrentPlayerType() {
                     if (playerType == PlayerType.AUDIO) {
                         return null;
                     } else {
-                        return PlayerBinding.inflate(LayoutInflater.from(context));
+                        final DisplayAwareContextWrapper viewContext =
+                                new DisplayAwareContextWrapper(context);
+                        final PlayerBinding newBinding = PlayerBinding.inflate(
+                                LayoutInflater.from(context).cloneInContext(viewContext));
+                        viewContext.setAnchor(newBinding.getRoot());
+                        return newBinding;
                     }
                 });
 

app/src/main/java/org/schabi/newpipe/player/helper/DisplayAwareContextWrapper.kt

@@ -0,0 +1,30 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.player.helper
+
+import android.content.Context
+import android.content.ContextWrapper
+import android.view.View
+
+/**
+ * Context for the player views, which are inflated with the player service context. That context
+ * is bound to the default display, so windows added on behalf of a view (e.g. popup menus and
+ * hover tooltips) would be added to the wrong display when the player is shown on a secondary
+ * display, like Samsung DeX, causing a [android.view.WindowManager.BadTokenException]. This
+ * wrapper returns the [android.view.WindowManager] of the display the anchor view is on.
+ */
+class DisplayAwareContextWrapper(base: Context) : ContextWrapper(base) {
+    var anchor: View? = null
+
+    override fun getSystemService(name: String): Any? {
+        if (name == WINDOW_SERVICE) {
+            anchor?.display?.let { display ->
+                return baseContext.createDisplayContext(display).getSystemService(name)
+            }
+        }
+        return super.getSystemService(name)
+    }
+}

app/src/main/java/org/schabi/newpipe/player/ui/VideoPlayerUi.java

@@ -16,6 +16,7 @@
 import static org.schabi.newpipe.player.helper.PlayerHelper.nextResizeModeAndSaveToPrefs;
 import static org.schabi.newpipe.player.helper.PlayerHelper.retrieveSeekDurationFromPreferences;
 
+import android.content.Context;
 import android.content.Intent;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
@@ -186,12 +187,15 @@ private void initViews() {
         binding.playbackSeekBar.getProgressDrawable()
                 .setColorFilter(new PorterDuffColorFilter(Color.RED, PorterDuff.Mode.MULTIPLY));
 
-        final ContextThemeWrapper themeWrapper = new ContextThemeWrapper(context,
+        // use the context of the views, so that the popup menus are shown on the display
+        // the player is on (see DisplayAwareContextWrapper)
+        final Context viewContext = binding.getRoot().getContext();
+        final ContextThemeWrapper themeWrapper = new ContextThemeWrapper(viewContext,
                 R.style.DarkPopupMenu);
 
         qualityPopupMenu = new PopupMenu(themeWrapper, binding.qualityTextView);
         audioTrackPopupMenu = new PopupMenu(themeWrapper, binding.audioTrackTextView);
-        playbackSpeedPopupMenu = new PopupMenu(context, binding.playbackSpeed);
+        playbackSpeedPopupMenu = new PopupMenu(viewContext, binding.playbackSpeed);
         captionPopupMenu = new PopupMenu(themeWrapper, binding.captionTextView);
 
         binding.progressBarLoadingPanel.getIndeterminateDrawable()