Fix UI menu not dismissing on API level 22 and earlier

Issue: #8272
#minor-release
PiperOrigin-RevId: 347010412

RELEASENOTES.md

@@ -28,6 +28,10 @@
     *   Forward `Timeline` and `MediaPeriodId` to `TrackSelection.Factory`.
 *   UI:
     *   Miscellaneous fixes for `StyledPlayerControlView` in minimal mode.
+    *   Fix issue where pop-up menus belonging to `StyledPlayerControlView`
+        would not be dismissed when tapping outside of the menu area or pressing
+        the back button, on API level 22 and earlier
+        ([#8272](https://github.com/google/ExoPlayer/issues/8272)).
     *   Show overflow button in `StyledPlayerControlView` only when there is not
         enough space.
     *   Update StyledPlayer's control overlay scrim from 30% opacity to 60%

library/ui/src/main/java/com/google/android/exoplayer2/ui/StyledPlayerControlView.java

@@ -30,7 +30,9 @@ import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
+import android.graphics.Color;
 import android.graphics.Typeface;
+import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Looper;
 import android.util.AttributeSet;
@@ -671,6 +673,11 @@ public class StyledPlayerControlView extends FrameLayout {
     settingsView.setLayoutManager(new LinearLayoutManager(getContext()));
     settingsWindow =
         new PopupWindow(settingsView, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, true);
+    if (Util.SDK_INT < 23) {
+      // Work around issue where tapping outside of the menu area or pressing the back button
+      // doesn't dismiss the menu as expected. See: https://github.com/google/ExoPlayer/issues/8272.
+      settingsWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
+    }
     settingsWindow.setOnDismissListener(componentListener);
     needToHideBars = true;