Merge pull request #10712 from Stypox/notification-actions-api-33-2

[Android 13+] Restore support of custom notification actions

app/src/main/java/org/schabi/newpipe/player/mediasession/MediaSessionPlayerUi.java

@@ -1,10 +1,12 @@
 package org.schabi.newpipe.player.mediasession;
 
 import static org.schabi.newpipe.MainActivity.DEBUG;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_RECREATE_NOTIFICATION;
 
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Bitmap;
+import android.os.Build;
 import android.support.v4.media.MediaMetadataCompat;
 import android.support.v4.media.session.MediaSessionCompat;
 import android.util.Log;
@@ -14,15 +16,23 @@ import androidx.annotation.Nullable;
 import androidx.media.session.MediaButtonReceiver;
 
 import com.google.android.exoplayer2.ForwardingPlayer;
+import com.google.android.exoplayer2.Player.RepeatMode;
 import com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector;
 
 import org.schabi.newpipe.R;
+import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.player.Player;
+import org.schabi.newpipe.player.notification.NotificationActionData;
+import org.schabi.newpipe.player.notification.NotificationConstants;
 import org.schabi.newpipe.player.ui.PlayerUi;
 import org.schabi.newpipe.player.ui.VideoPlayerUi;
 import org.schabi.newpipe.util.StreamTypeUtil;
 
+import java.util.List;
+import java.util.Objects;
 import java.util.Optional;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 public class MediaSessionPlayerUi extends PlayerUi
         implements SharedPreferences.OnSharedPreferenceChangeListener {
@@ -34,6 +44,10 @@ public class MediaSessionPlayerUi extends PlayerUi
     private final String ignoreHardwareMediaButtonsKey;
     private boolean shouldIgnoreHardwareMediaButtons = false;
 
+    // used to check whether any notification action changed, before sending costly updates
+    private List<NotificationActionData> prevNotificationActions = List.of();
+
+
     public MediaSessionPlayerUi(@NonNull final Player player) {
         super(player);
         ignoreHardwareMediaButtonsKey =
@@ -63,6 +77,10 @@ public class MediaSessionPlayerUi extends PlayerUi
 
         sessionConnector.setMetadataDeduplicationEnabled(true);
         sessionConnector.setMediaMetadataProvider(exoPlayer -> buildMediaMetadata());
+
+        // force updating media session actions by resetting the previous ones
+        prevNotificationActions = List.of();
+        updateMediaSessionActions();
     }
 
     @Override
@@ -80,6 +98,7 @@ public class MediaSessionPlayerUi extends PlayerUi
             mediaSession.release();
             mediaSession = null;
         }
+        prevNotificationActions = List.of();
     }
 
     @Override
@@ -163,4 +182,109 @@ public class MediaSessionPlayerUi extends PlayerUi
 
         return builder.build();
     }
+
+
+    private void updateMediaSessionActions() {
+        // On Android 13+ (or Android T or API 33+) the actions in the player notification can't be
+        // controlled directly anymore, but are instead derived from custom media session actions.
+        // However the system allows customizing only two of these actions, since the other three
+        // are fixed to play-pause-buffering, previous, next.
+
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+            // Although setting media session actions on older android versions doesn't seem to
+            // cause any trouble, it also doesn't seem to do anything, so we don't do anything to
+            // save battery. Check out NotificationUtil.updateActions() to see what happens on
+            // older android versions.
+            return;
+        }
+
+        // only use the fourth and fifth actions (the settings page also shows only the last 2 on
+        // Android 13+)
+        final List<NotificationActionData> newNotificationActions = IntStream.of(3, 4)
+                .map(i -> player.getPrefs().getInt(
+                        player.getContext().getString(NotificationConstants.SLOT_PREF_KEYS[i]),
+                        NotificationConstants.SLOT_DEFAULTS[i]))
+                .mapToObj(action -> NotificationActionData
+                        .fromNotificationActionEnum(player, action))
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+
+        // avoid costly notification actions update, if nothing changed from last time
+        if (!newNotificationActions.equals(prevNotificationActions)) {
+            prevNotificationActions = newNotificationActions;
+            sessionConnector.setCustomActionProviders(
+                    newNotificationActions.stream()
+                            .map(data -> new SessionConnectorActionProvider(data, context))
+                            .toArray(SessionConnectorActionProvider[]::new));
+        }
+    }
+
+    @Override
+    public void onBlocked() {
+        super.onBlocked();
+        updateMediaSessionActions();
+    }
+
+    @Override
+    public void onPlaying() {
+        super.onPlaying();
+        updateMediaSessionActions();
+    }
+
+    @Override
+    public void onBuffering() {
+        super.onBuffering();
+        updateMediaSessionActions();
+    }
+
+    @Override
+    public void onPaused() {
+        super.onPaused();
+        updateMediaSessionActions();
+    }
+
+    @Override
+    public void onPausedSeek() {
+        super.onPausedSeek();
+        updateMediaSessionActions();
+    }
+
+    @Override
+    public void onCompleted() {
+        super.onCompleted();
+        updateMediaSessionActions();
+    }
+
+    @Override
+    public void onRepeatModeChanged(@RepeatMode final int repeatMode) {
+        super.onRepeatModeChanged(repeatMode);
+        updateMediaSessionActions();
+    }
+
+    @Override
+    public void onShuffleModeEnabledChanged(final boolean shuffleModeEnabled) {
+        super.onShuffleModeEnabledChanged(shuffleModeEnabled);
+        updateMediaSessionActions();
+    }
+
+    @Override
+    public void onBroadcastReceived(final Intent intent) {
+        super.onBroadcastReceived(intent);
+        if (ACTION_RECREATE_NOTIFICATION.equals(intent.getAction())) {
+            // the notification actions changed
+            updateMediaSessionActions();
+        }
+    }
+
+    @Override
+    public void onMetadataChanged(@NonNull final StreamInfo info) {
+        super.onMetadataChanged(info);
+        updateMediaSessionActions();
+    }
+
+    @Override
+    public void onPlayQueueEdited() {
+        super.onPlayQueueEdited();
+        updateMediaSessionActions();
+    }
 }

app/src/main/java/org/schabi/newpipe/player/mediasession/SessionConnectorActionProvider.java

@@ -0,0 +1,47 @@
+package org.schabi.newpipe.player.mediasession;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.media.session.PlaybackStateCompat;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.google.android.exoplayer2.Player;
+import com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector;
+
+import org.schabi.newpipe.player.notification.NotificationActionData;
+
+import java.lang.ref.WeakReference;
+
+public class SessionConnectorActionProvider implements MediaSessionConnector.CustomActionProvider {
+
+    private final NotificationActionData data;
+    @NonNull
+    private final WeakReference<Context> context;
+
+    public SessionConnectorActionProvider(final NotificationActionData notificationActionData,
+                                          @NonNull final Context context) {
+        this.data = notificationActionData;
+        this.context = new WeakReference<>(context);
+    }
+
+    @Override
+    public void onCustomAction(@NonNull final Player player,
+                               @NonNull final String action,
+                               @Nullable final Bundle extras) {
+        final Context actualContext = context.get();
+        if (actualContext != null) {
+            actualContext.sendBroadcast(new Intent(action));
+        }
+    }
+
+    @Nullable
+    @Override
+    public PlaybackStateCompat.CustomAction getCustomAction(@NonNull final Player player) {
+        return new PlaybackStateCompat.CustomAction.Builder(
+                data.action(), data.name(), data.icon()
+        ).build();
+    }
+}

app/src/main/java/org/schabi/newpipe/player/notification/NotificationActionData.java

@@ -0,0 +1,187 @@
+package org.schabi.newpipe.player.notification;
+
+import static com.google.android.exoplayer2.Player.REPEAT_MODE_ALL;
+import static com.google.android.exoplayer2.Player.REPEAT_MODE_ONE;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_CLOSE;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_FAST_FORWARD;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_FAST_REWIND;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_PLAY_NEXT;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_PLAY_PAUSE;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_PLAY_PREVIOUS;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_REPEAT;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_SHUFFLE;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+
+import androidx.annotation.DrawableRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.player.Player;
+
+import java.util.Objects;
+
+public final class NotificationActionData {
+
+    @NonNull
+    private final String action;
+    @NonNull
+    private final String name;
+    @DrawableRes
+    private final int icon;
+
+
+    public NotificationActionData(@NonNull final String action, @NonNull final String name,
+                                  @DrawableRes final int icon) {
+        this.action = action;
+        this.name = name;
+        this.icon = icon;
+    }
+
+    @NonNull
+    public String action() {
+        return action;
+    }
+
+    @NonNull
+    public String name() {
+        return name;
+    }
+
+    @DrawableRes
+    public int icon() {
+        return icon;
+    }
+
+
+    @SuppressLint("PrivateResource") // we currently use Exoplayer's internal strings and icons
+    @Nullable
+    public static NotificationActionData fromNotificationActionEnum(
+            @NonNull final Player player,
+            @NotificationConstants.Action final int selectedAction
+    ) {
+
+        final int baseActionIcon = NotificationConstants.ACTION_ICONS[selectedAction];
+        final Context ctx = player.getContext();
+
+        switch (selectedAction) {
+            case NotificationConstants.PREVIOUS:
+                return new NotificationActionData(ACTION_PLAY_PREVIOUS,
+                        ctx.getString(R.string.exo_controls_previous_description), baseActionIcon);
+
+            case NotificationConstants.NEXT:
+                return new NotificationActionData(ACTION_PLAY_NEXT,
+                        ctx.getString(R.string.exo_controls_next_description), baseActionIcon);
+
+            case NotificationConstants.REWIND:
+                return new NotificationActionData(ACTION_FAST_REWIND,
+                        ctx.getString(R.string.exo_controls_rewind_description), baseActionIcon);
+
+            case NotificationConstants.FORWARD:
+                return new NotificationActionData(ACTION_FAST_FORWARD,
+                        ctx.getString(R.string.exo_controls_fastforward_description),
+                        baseActionIcon);
+
+            case NotificationConstants.SMART_REWIND_PREVIOUS:
+                if (player.getPlayQueue() != null && player.getPlayQueue().size() > 1) {
+                    return new NotificationActionData(ACTION_PLAY_PREVIOUS,
+                            ctx.getString(R.string.exo_controls_previous_description),
+                            R.drawable.exo_notification_previous);
+                } else {
+                    return new NotificationActionData(ACTION_FAST_REWIND,
+                            ctx.getString(R.string.exo_controls_rewind_description),
+                            R.drawable.exo_controls_rewind);
+                }
+
+            case NotificationConstants.SMART_FORWARD_NEXT:
+                if (player.getPlayQueue() != null && player.getPlayQueue().size() > 1) {
+                    return new NotificationActionData(ACTION_PLAY_NEXT,
+                            ctx.getString(R.string.exo_controls_next_description),
+                            R.drawable.exo_notification_next);
+                } else {
+                    return new NotificationActionData(ACTION_FAST_FORWARD,
+                            ctx.getString(R.string.exo_controls_fastforward_description),
+                            R.drawable.exo_controls_fastforward);
+                }
+
+            case NotificationConstants.PLAY_PAUSE_BUFFERING:
+                if (player.getCurrentState() == Player.STATE_PREFLIGHT
+                        || player.getCurrentState() == Player.STATE_BLOCKED
+                        || player.getCurrentState() == Player.STATE_BUFFERING) {
+                    return new NotificationActionData(ACTION_PLAY_PAUSE,
+                            ctx.getString(R.string.notification_action_buffering),
+                            R.drawable.ic_hourglass_top);
+                }
+
+                // fallthrough
+            case NotificationConstants.PLAY_PAUSE:
+                if (player.getCurrentState() == Player.STATE_COMPLETED) {
+                    return new NotificationActionData(ACTION_PLAY_PAUSE,
+                            ctx.getString(R.string.exo_controls_pause_description),
+                            R.drawable.ic_replay);
+                } else if (player.isPlaying()
+                        || player.getCurrentState() == Player.STATE_PREFLIGHT
+                        || player.getCurrentState() == Player.STATE_BLOCKED
+                        || player.getCurrentState() == Player.STATE_BUFFERING) {
+                    return new NotificationActionData(ACTION_PLAY_PAUSE,
+                            ctx.getString(R.string.exo_controls_pause_description),
+                            R.drawable.exo_notification_pause);
+                } else {
+                    return new NotificationActionData(ACTION_PLAY_PAUSE,
+                            ctx.getString(R.string.exo_controls_play_description),
+                            R.drawable.exo_notification_play);
+                }
+
+            case NotificationConstants.REPEAT:
+                if (player.getRepeatMode() == REPEAT_MODE_ALL) {
+                    return new NotificationActionData(ACTION_REPEAT,
+                            ctx.getString(R.string.exo_controls_repeat_all_description),
+                            R.drawable.exo_media_action_repeat_all);
+                } else if (player.getRepeatMode() == REPEAT_MODE_ONE) {
+                    return new NotificationActionData(ACTION_REPEAT,
+                            ctx.getString(R.string.exo_controls_repeat_one_description),
+                            R.drawable.exo_media_action_repeat_one);
+                } else /* player.getRepeatMode() == REPEAT_MODE_OFF */ {
+                    return new NotificationActionData(ACTION_REPEAT,
+                            ctx.getString(R.string.exo_controls_repeat_off_description),
+                            R.drawable.exo_media_action_repeat_off);
+                }
+
+            case NotificationConstants.SHUFFLE:
+                if (player.getPlayQueue() != null && player.getPlayQueue().isShuffled()) {
+                    return new NotificationActionData(ACTION_SHUFFLE,
+                            ctx.getString(R.string.exo_controls_shuffle_on_description),
+                            R.drawable.exo_controls_shuffle_on);
+                } else {
+                    return new NotificationActionData(ACTION_SHUFFLE,
+                            ctx.getString(R.string.exo_controls_shuffle_off_description),
+                            R.drawable.exo_controls_shuffle_off);
+                }
+
+            case NotificationConstants.CLOSE:
+                return new NotificationActionData(ACTION_CLOSE, ctx.getString(R.string.close),
+                        R.drawable.ic_close);
+
+            case NotificationConstants.NOTHING:
+            default:
+                // do nothing
+                return null;
+        }
+    }
+
+
+    @Override
+    public boolean equals(@Nullable final Object obj) {
+        return (obj instanceof NotificationActionData other)
+                && this.action.equals(other.action)
+                && this.name.equals(other.name)
+                && this.icon == other.icon;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(action, name, icon);
+    }
+}

app/src/main/java/org/schabi/newpipe/player/notification/NotificationConstants.java

@@ -13,7 +13,7 @@ import org.schabi.newpipe.util.Localization;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
-import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 import java.util.SortedSet;
 import java.util.TreeSet;
@@ -65,10 +65,16 @@ public final class NotificationConstants {
     public static final int CLOSE = 11;
 
     @Retention(RetentionPolicy.SOURCE)
-    @IntDef({NOTHING, PREVIOUS, NEXT, REWIND, FORWARD, SMART_REWIND_PREVIOUS, SMART_FORWARD_NEXT,
-            PLAY_PAUSE, PLAY_PAUSE_BUFFERING, REPEAT, SHUFFLE, CLOSE})
+    @IntDef({NOTHING, PREVIOUS, NEXT, REWIND, FORWARD,
+            SMART_REWIND_PREVIOUS, SMART_FORWARD_NEXT, PLAY_PAUSE, PLAY_PAUSE_BUFFERING, REPEAT,
+            SHUFFLE, CLOSE})
     public @interface Action { }
 
+    @Action
+    public static final int[] ALL_ACTIONS = {NOTHING, PREVIOUS, NEXT, REWIND, FORWARD,
+            SMART_REWIND_PREVIOUS, SMART_FORWARD_NEXT, PLAY_PAUSE, PLAY_PAUSE_BUFFERING, REPEAT,
+            SHUFFLE, CLOSE};
+
     @DrawableRes
     public static final int[] ACTION_ICONS = {
             0,
@@ -95,16 +101,6 @@ public final class NotificationConstants {
             CLOSE,
     };
 
-    @Action
-    public static final int[][] SLOT_ALLOWED_ACTIONS = {
-            new int[] {PREVIOUS, REWIND, SMART_REWIND_PREVIOUS},
-            new int[] {REWIND, PLAY_PAUSE, PLAY_PAUSE_BUFFERING},
-            new int[] {NEXT, FORWARD, SMART_FORWARD_NEXT, PLAY_PAUSE, PLAY_PAUSE_BUFFERING},
-            new int[] {NOTHING, PREVIOUS, NEXT, REWIND, FORWARD, SMART_REWIND_PREVIOUS,
-                    SMART_FORWARD_NEXT, REPEAT, SHUFFLE, CLOSE},
-            new int[] {NOTHING, NEXT, FORWARD, SMART_FORWARD_NEXT, REPEAT, SHUFFLE, CLOSE},
-    };
-
     public static final int[] SLOT_PREF_KEYS = {
             R.string.notification_slot_0_key,
             R.string.notification_slot_1_key,
@@ -165,14 +161,11 @@ public final class NotificationConstants {
     /**
      * @param context the context to use
      * @param sharedPreferences the shared preferences to query values from
-     * @param slotCount remove indices >= than this value (set to {@code 5} to do nothing, or make
-     *                  it lower if there are slots with empty actions)
      * @return a sorted list of the indices of the slots to use as compact slots
      */
-    public static List<Integer> getCompactSlotsFromPreferences(
+    public static Collection<Integer> getCompactSlotsFromPreferences(
             @NonNull final Context context,
-            final SharedPreferences sharedPreferences,
-            final int slotCount) {
+            final SharedPreferences sharedPreferences) {
         final SortedSet<Integer> compactSlots = new TreeSet<>();
         for (int i = 0; i < 3; i++) {
             final int compactSlot = sharedPreferences.getInt(
@@ -180,14 +173,14 @@ public final class NotificationConstants {
 
             if (compactSlot == Integer.MAX_VALUE) {
                 // settings not yet populated, return default values
-                return new ArrayList<>(SLOT_COMPACT_DEFAULTS);
+                return SLOT_COMPACT_DEFAULTS;
             }
 
-            // a negative value (-1) is set when the user does not want a particular compact slot
-            if (compactSlot >= 0 && compactSlot < slotCount) {
+            if (compactSlot >= 0) {
+                // compact slot is < 0 if there are less than 3 checked checkboxes
                 compactSlots.add(compactSlot);
             }
         }
-        return new ArrayList<>(compactSlots);
+        return compactSlots;
     }
 }

app/src/main/java/org/schabi/newpipe/player/notification/NotificationUtil.java

@@ -1,16 +1,19 @@
 package org.schabi.newpipe.player.notification;
 
+import static android.app.PendingIntent.FLAG_UPDATE_CURRENT;
+import static androidx.media.app.NotificationCompat.MediaStyle;
+import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_CLOSE;
+
 import android.annotation.SuppressLint;
+import android.app.PendingIntent;
 import android.content.Intent;
 import android.content.pm.ServiceInfo;
 import android.graphics.Bitmap;
 import android.os.Build;
 import android.util.Log;
 
-import androidx.annotation.DrawableRes;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.annotation.StringRes;
 import androidx.core.app.NotificationCompat;
 import androidx.core.app.NotificationManagerCompat;
 import androidx.core.app.PendingIntentCompat;
@@ -23,23 +26,12 @@ import org.schabi.newpipe.player.Player;
 import org.schabi.newpipe.player.mediasession.MediaSessionPlayerUi;
 import org.schabi.newpipe.util.NavigationHelper;
 
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
 
-import static android.app.PendingIntent.FLAG_UPDATE_CURRENT;
-import static androidx.media.app.NotificationCompat.MediaStyle;
-import static com.google.android.exoplayer2.Player.REPEAT_MODE_ALL;
-import static com.google.android.exoplayer2.Player.REPEAT_MODE_ONE;
-import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_CLOSE;
-import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_FAST_FORWARD;
-import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_FAST_REWIND;
-import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_PLAY_NEXT;
-import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_PLAY_PAUSE;
-import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_PLAY_PREVIOUS;
-import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_REPEAT;
-import static org.schabi.newpipe.player.notification.NotificationConstants.ACTION_SHUFFLE;
-
 /**
  * This is a utility class for player notifications.
  */
@@ -100,29 +92,21 @@ public final class NotificationUtil {
         final NotificationCompat.Builder builder =
                 new NotificationCompat.Builder(player.getContext(),
                 player.getContext().getString(R.string.notification_channel_id));
+        final MediaStyle mediaStyle = new MediaStyle();
 
-        initializeNotificationSlots();
-
-        // count the number of real slots, to make sure compact slots indices are not out of bound
-        int nonNothingSlotCount = 5;
-        if (notificationSlots[3] == NotificationConstants.NOTHING) {
-            --nonNothingSlotCount;
+        // setup media style (compact notification slots and media session)
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+            // notification actions are ignored on Android 13+, and are replaced by code in
+            // MediaSessionPlayerUi
+            final int[] compactSlots = initializeNotificationSlots();
+            mediaStyle.setShowActionsInCompactView(compactSlots);
         }
-        if (notificationSlots[4] == NotificationConstants.NOTHING) {
-            --nonNothingSlotCount;
-        }
-
-        // build the compact slot indices array (need code to convert from Integer... because Java)
-        final List<Integer> compactSlotList = NotificationConstants.getCompactSlotsFromPreferences(
-                player.getContext(), player.getPrefs(), nonNothingSlotCount);
-        final int[] compactSlots = compactSlotList.stream().mapToInt(Integer::intValue).toArray();
-
-        final MediaStyle mediaStyle = new MediaStyle().setShowActionsInCompactView(compactSlots);
         player.UIs()
                 .get(MediaSessionPlayerUi.class)
                 .flatMap(MediaSessionPlayerUi::getSessionToken)
                 .ifPresent(mediaStyle::setMediaSession);
 
+        // setup notification builder
         builder.setStyle(mediaStyle)
                 .setPriority(NotificationCompat.PRIORITY_HIGH)
                 .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
@@ -157,7 +141,11 @@ public final class NotificationUtil {
         notificationBuilder.setContentText(player.getUploaderName());
         notificationBuilder.setTicker(player.getVideoTitle());
 
-        updateActions(notificationBuilder);
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+            // notification actions are ignored on Android 13+, and are replaced by code in
+            // MediaSessionPlayerUi
+            updateActions(notificationBuilder);
+        }
     }
 
 
@@ -209,12 +197,35 @@ public final class NotificationUtil {
     // ACTIONS
     /////////////////////////////////////////////////////
 
-    private void initializeNotificationSlots() {
+    /**
+     * The compact slots array from settings contains indices from 0 to 4, each referring to one of
+     * the five actions configurable by the user. However, if the user sets an action to "Nothing",
+     * then all of the actions coming after will have a "settings index" different than the index
+     * of the corresponding action when sent to the system.
+     *
+     * @return the indices of compact slots referred to the list of non-nothing actions that will be
+     *         sent to the system
+     */
+    private int[] initializeNotificationSlots() {
+        final Collection<Integer> settingsCompactSlots = NotificationConstants
+                .getCompactSlotsFromPreferences(player.getContext(), player.getPrefs());
+        final List<Integer> adjustedCompactSlots = new ArrayList<>();
+
+        int nonNothingIndex = 0;
         for (int i = 0; i < 5; ++i) {
             notificationSlots[i] = player.getPrefs().getInt(
                     player.getContext().getString(NotificationConstants.SLOT_PREF_KEYS[i]),
                     NotificationConstants.SLOT_DEFAULTS[i]);
+
+            if (notificationSlots[i] != NotificationConstants.NOTHING) {
+                if (settingsCompactSlots.contains(i)) {
+                    adjustedCompactSlots.add(nonNothingIndex);
+                }
+                nonNothingIndex += 1;
+            }
         }
+
+        return adjustedCompactSlots.stream().mapToInt(Integer::intValue).toArray();
     }
 
     @SuppressLint("RestrictedApi")
@@ -227,115 +238,15 @@ public final class NotificationUtil {
 
     private void addAction(final NotificationCompat.Builder builder,
                            @NotificationConstants.Action final int slot) {
-        final NotificationCompat.Action action = getAction(slot);
-        if (action != null) {
-            builder.addAction(action);
+        @Nullable final NotificationActionData data =
+                NotificationActionData.fromNotificationActionEnum(player, slot);
+        if (data == null) {
+            return;
         }
-    }
 
-    @Nullable
-    private NotificationCompat.Action getAction(
-            @NotificationConstants.Action final int selectedAction) {
-        final int baseActionIcon = NotificationConstants.ACTION_ICONS[selectedAction];
-        switch (selectedAction) {
-            case NotificationConstants.PREVIOUS:
-                return getAction(baseActionIcon,
-                        R.string.exo_controls_previous_description, ACTION_PLAY_PREVIOUS);
-
-            case NotificationConstants.NEXT:
-                return getAction(baseActionIcon,
-                        R.string.exo_controls_next_description, ACTION_PLAY_NEXT);
-
-            case NotificationConstants.REWIND:
-                return getAction(baseActionIcon,
-                        R.string.exo_controls_rewind_description, ACTION_FAST_REWIND);
-
-            case NotificationConstants.FORWARD:
-                return getAction(baseActionIcon,
-                        R.string.exo_controls_fastforward_description, ACTION_FAST_FORWARD);
-
-            case NotificationConstants.SMART_REWIND_PREVIOUS:
-                if (player.getPlayQueue() != null && player.getPlayQueue().size() > 1) {
-                    return getAction(R.drawable.exo_notification_previous,
-                            R.string.exo_controls_previous_description, ACTION_PLAY_PREVIOUS);
-                } else {
-                    return getAction(R.drawable.exo_controls_rewind,
-                            R.string.exo_controls_rewind_description, ACTION_FAST_REWIND);
-                }
-
-            case NotificationConstants.SMART_FORWARD_NEXT:
-                if (player.getPlayQueue() != null && player.getPlayQueue().size() > 1) {
-                    return getAction(R.drawable.exo_notification_next,
-                            R.string.exo_controls_next_description, ACTION_PLAY_NEXT);
-                } else {
-                    return getAction(R.drawable.exo_controls_fastforward,
-                            R.string.exo_controls_fastforward_description, ACTION_FAST_FORWARD);
-                }
-
-            case NotificationConstants.PLAY_PAUSE_BUFFERING:
-                if (player.getCurrentState() == Player.STATE_PREFLIGHT
-                        || player.getCurrentState() == Player.STATE_BLOCKED
-                        || player.getCurrentState() == Player.STATE_BUFFERING) {
-                    // null intent -> show hourglass icon that does nothing when clicked
-                    return new NotificationCompat.Action(R.drawable.ic_hourglass_top,
-                            player.getContext().getString(R.string.notification_action_buffering),
-                            null);
-                }
-
-                // fallthrough
-            case NotificationConstants.PLAY_PAUSE:
-                if (player.getCurrentState() == Player.STATE_COMPLETED) {
-                    return getAction(R.drawable.ic_replay,
-                            R.string.exo_controls_pause_description, ACTION_PLAY_PAUSE);
-                } else if (player.isPlaying()
-                        || player.getCurrentState() == Player.STATE_PREFLIGHT
-                        || player.getCurrentState() == Player.STATE_BLOCKED
-                        || player.getCurrentState() == Player.STATE_BUFFERING) {
-                    return getAction(R.drawable.exo_notification_pause,
-                            R.string.exo_controls_pause_description, ACTION_PLAY_PAUSE);
-                } else {
-                    return getAction(R.drawable.exo_notification_play,
-                            R.string.exo_controls_play_description, ACTION_PLAY_PAUSE);
-                }
-
-            case NotificationConstants.REPEAT:
-                if (player.getRepeatMode() == REPEAT_MODE_ALL) {
-                    return getAction(R.drawable.exo_media_action_repeat_all,
-                            R.string.exo_controls_repeat_all_description, ACTION_REPEAT);
-                } else if (player.getRepeatMode() == REPEAT_MODE_ONE) {
-                    return getAction(R.drawable.exo_media_action_repeat_one,
-                            R.string.exo_controls_repeat_one_description, ACTION_REPEAT);
-                } else /* player.getRepeatMode() == REPEAT_MODE_OFF */ {
-                    return getAction(R.drawable.exo_media_action_repeat_off,
-                            R.string.exo_controls_repeat_off_description, ACTION_REPEAT);
-                }
-
-            case NotificationConstants.SHUFFLE:
-                if (player.getPlayQueue() != null && player.getPlayQueue().isShuffled()) {
-                    return getAction(R.drawable.exo_controls_shuffle_on,
-                            R.string.exo_controls_shuffle_on_description, ACTION_SHUFFLE);
-                } else {
-                    return getAction(R.drawable.exo_controls_shuffle_off,
-                            R.string.exo_controls_shuffle_off_description, ACTION_SHUFFLE);
-                }
-
-            case NotificationConstants.CLOSE:
-                return getAction(R.drawable.ic_close,
-                        R.string.close, ACTION_CLOSE);
-
-            case NotificationConstants.NOTHING:
-            default:
-                // do nothing
-                return null;
-        }
-    }
-
-    private NotificationCompat.Action getAction(@DrawableRes final int drawable,
-                                                @StringRes final int title,
-                                                final String intentAction) {
-        return new NotificationCompat.Action(drawable, player.getContext().getString(title),
-                PendingIntentCompat.getBroadcast(player.getContext(), NOTIFICATION_ID,
-                        new Intent(intentAction), FLAG_UPDATE_CURRENT, false));
+        final PendingIntent intent = PendingIntentCompat.getBroadcast(player.getContext(),
+                NOTIFICATION_ID, new Intent(data.action()), FLAG_UPDATE_CURRENT, false);
+        builder.addAction(new NotificationCompat.Action(data.icon(), data.name(), intent));
     }
 
     private Intent getIntentForNotification() {

app/src/main/java/org/schabi/newpipe/settings/custom/NotificationActionsPreference.java

@@ -5,35 +5,22 @@ import static org.schabi.newpipe.player.notification.NotificationConstants.ACTIO
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
-import android.content.res.ColorStateList;
+import android.os.Build;
 import android.util.AttributeSet;
-import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
 import android.widget.CheckBox;
-import android.widget.ImageView;
-import android.widget.RadioButton;
-import android.widget.RadioGroup;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
-import androidx.appcompat.content.res.AppCompatResources;
-import androidx.core.widget.TextViewCompat;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceViewHolder;
 
 import org.schabi.newpipe.App;
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.databinding.ListRadioIconItemBinding;
-import org.schabi.newpipe.databinding.SingleChoiceDialogViewBinding;
 import org.schabi.newpipe.player.notification.NotificationConstants;
-import org.schabi.newpipe.util.DeviceUtils;
-import org.schabi.newpipe.util.ThemeHelper;
-import org.schabi.newpipe.views.FocusOverlayView;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.IntStream;
 
@@ -45,8 +32,9 @@ public class NotificationActionsPreference extends Preference {
     }
 
 
-    @Nullable private NotificationSlot[] notificationSlots = null;
-    @Nullable private List<Integer> compactSlots = null;
+    private NotificationSlot[] notificationSlots;
+    private List<Integer> compactSlots;
+
 
     ////////////////////////////////////////////////////////////////////////////
     // Lifecycle
@@ -56,6 +44,11 @@ public class NotificationActionsPreference extends Preference {
     public void onBindViewHolder(@NonNull final PreferenceViewHolder holder) {
         super.onBindViewHolder(holder);
 
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            ((TextView) holder.itemView.findViewById(R.id.summary))
+                    .setText(R.string.notification_actions_summary_android13);
+        }
+
         holder.itemView.setClickable(false);
         setupActions(holder.itemView);
     }
@@ -75,13 +68,29 @@ public class NotificationActionsPreference extends Preference {
     ////////////////////////////////////////////////////////////////////////////
 
     private void setupActions(@NonNull final View view) {
-        compactSlots = NotificationConstants.getCompactSlotsFromPreferences(getContext(),
-                getSharedPreferences(), 5);
+        compactSlots = new ArrayList<>(NotificationConstants.getCompactSlotsFromPreferences(
+                getContext(), getSharedPreferences()));
         notificationSlots = IntStream.range(0, 5)
-                .mapToObj(i -> new NotificationSlot(i, view))
+                .mapToObj(i -> new NotificationSlot(getContext(), getSharedPreferences(), i, view,
+                        compactSlots.contains(i), this::onToggleCompactSlot))
                 .toArray(NotificationSlot[]::new);
     }
 
+    private void onToggleCompactSlot(final int i, final CheckBox checkBox) {
+        if (checkBox.isChecked()) {
+            compactSlots.remove((Integer) i);
+        } else if (compactSlots.size() < 3) {
+            compactSlots.add(i);
+        } else {
+            Toast.makeText(getContext(),
+                    R.string.notification_actions_at_most_three,
+                    Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        checkBox.toggle();
+    }
+
 
     ////////////////////////////////////////////////////////////////////////////
     // Saving
@@ -99,143 +108,10 @@ public class NotificationActionsPreference extends Preference {
 
             for (int i = 0; i < 5; i++) {
                 editor.putInt(getContext().getString(NotificationConstants.SLOT_PREF_KEYS[i]),
-                        notificationSlots[i].selectedAction);
+                        notificationSlots[i].getSelectedAction());
             }
 
             editor.apply();
         }
     }
-
-
-    ////////////////////////////////////////////////////////////////////////////
-    // Notification action
-    ////////////////////////////////////////////////////////////////////////////
-
-    private static final int[] SLOT_ITEMS = {
-            R.id.notificationAction0,
-            R.id.notificationAction1,
-            R.id.notificationAction2,
-            R.id.notificationAction3,
-            R.id.notificationAction4,
-    };
-
-    private static final int[] SLOT_TITLES = {
-            R.string.notification_action_0_title,
-            R.string.notification_action_1_title,
-            R.string.notification_action_2_title,
-            R.string.notification_action_3_title,
-            R.string.notification_action_4_title,
-    };
-
-    private class NotificationSlot {
-
-        final int i;
-        @NotificationConstants.Action int selectedAction;
-
-        ImageView icon;
-        TextView summary;
-
-        NotificationSlot(final int actionIndex, final View parentView) {
-            this.i = actionIndex;
-
-            final View view = parentView.findViewById(SLOT_ITEMS[i]);
-            setupSelectedAction(view);
-            setupTitle(view);
-            setupCheckbox(view);
-        }
-
-        void setupTitle(final View view) {
-            ((TextView) view.findViewById(R.id.notificationActionTitle))
-                    .setText(SLOT_TITLES[i]);
-            view.findViewById(R.id.notificationActionClickableArea).setOnClickListener(
-                    v -> openActionChooserDialog());
-        }
-
-        void setupCheckbox(final View view) {
-            final CheckBox compactSlotCheckBox = view.findViewById(R.id.notificationActionCheckBox);
-            compactSlotCheckBox.setChecked(compactSlots.contains(i));
-            view.findViewById(R.id.notificationActionCheckBoxClickableArea).setOnClickListener(
-                    v -> {
-                        if (compactSlotCheckBox.isChecked()) {
-                            compactSlots.remove((Integer) i);
-                        } else if (compactSlots.size() < 3) {
-                            compactSlots.add(i);
-                        } else {
-                            Toast.makeText(getContext(),
-                                    R.string.notification_actions_at_most_three,
-                                    Toast.LENGTH_SHORT).show();
-                            return;
-                        }
-
-                        compactSlotCheckBox.toggle();
-                    });
-        }
-
-        void setupSelectedAction(final View view) {
-            icon = view.findViewById(R.id.notificationActionIcon);
-            summary = view.findViewById(R.id.notificationActionSummary);
-            selectedAction = getSharedPreferences().getInt(
-                    getContext().getString(NotificationConstants.SLOT_PREF_KEYS[i]),
-                    NotificationConstants.SLOT_DEFAULTS[i]);
-            updateInfo();
-        }
-
-        void updateInfo() {
-            if (NotificationConstants.ACTION_ICONS[selectedAction] == 0) {
-                icon.setImageDrawable(null);
-            } else {
-                icon.setImageDrawable(AppCompatResources.getDrawable(getContext(),
-                        NotificationConstants.ACTION_ICONS[selectedAction]));
-            }
-
-            summary.setText(NotificationConstants.getActionName(getContext(), selectedAction));
-        }
-
-        void openActionChooserDialog() {
-            final LayoutInflater inflater = LayoutInflater.from(getContext());
-            final SingleChoiceDialogViewBinding binding =
-                    SingleChoiceDialogViewBinding.inflate(inflater);
-
-            final AlertDialog alertDialog = new AlertDialog.Builder(getContext())
-                    .setTitle(SLOT_TITLES[i])
-                    .setView(binding.getRoot())
-                    .setCancelable(true)
-                    .create();
-
-            final View.OnClickListener radioButtonsClickListener = v -> {
-                selectedAction = NotificationConstants.SLOT_ALLOWED_ACTIONS[i][v.getId()];
-                updateInfo();
-                alertDialog.dismiss();
-            };
-
-            for (int id = 0; id < NotificationConstants.SLOT_ALLOWED_ACTIONS[i].length; ++id) {
-                final int action = NotificationConstants.SLOT_ALLOWED_ACTIONS[i][id];
-                final RadioButton radioButton = ListRadioIconItemBinding.inflate(inflater)
-                        .getRoot();
-
-                // if present set action icon with correct color
-                final int iconId = NotificationConstants.ACTION_ICONS[action];
-                if (iconId != 0) {
-                    radioButton.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, iconId, 0);
-
-                    final var color = ColorStateList.valueOf(ThemeHelper
-                            .resolveColorFromAttr(getContext(), android.R.attr.textColorPrimary));
-                    TextViewCompat.setCompoundDrawableTintList(radioButton, color);
-                }
-
-                radioButton.setText(NotificationConstants.getActionName(getContext(), action));
-                radioButton.setChecked(action == selectedAction);
-                radioButton.setId(id);
-                radioButton.setLayoutParams(new RadioGroup.LayoutParams(
-                        ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
-                radioButton.setOnClickListener(radioButtonsClickListener);
-                binding.list.addView(radioButton);
-            }
-            alertDialog.show();
-
-            if (DeviceUtils.isTv(getContext())) {
-                FocusOverlayView.setupFocusObserver(alertDialog);
-            }
-        }
-    }
 }

app/src/main/java/org/schabi/newpipe/settings/custom/NotificationSlot.java

@@ -0,0 +1,172 @@
+package org.schabi.newpipe.settings.custom;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.ColorStateList;
+import android.os.Build;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.RadioButton;
+import android.widget.RadioGroup;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.content.res.AppCompatResources;
+import androidx.core.widget.TextViewCompat;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.databinding.ListRadioIconItemBinding;
+import org.schabi.newpipe.databinding.SingleChoiceDialogViewBinding;
+import org.schabi.newpipe.player.notification.NotificationConstants;
+import org.schabi.newpipe.util.DeviceUtils;
+import org.schabi.newpipe.util.ThemeHelper;
+import org.schabi.newpipe.views.FocusOverlayView;
+
+import java.util.Objects;
+import java.util.function.BiConsumer;
+
+class NotificationSlot {
+
+    private static final int[] SLOT_ITEMS = {
+            R.id.notificationAction0,
+            R.id.notificationAction1,
+            R.id.notificationAction2,
+            R.id.notificationAction3,
+            R.id.notificationAction4,
+    };
+
+    private static final int[] SLOT_TITLES = {
+            R.string.notification_action_0_title,
+            R.string.notification_action_1_title,
+            R.string.notification_action_2_title,
+            R.string.notification_action_3_title,
+            R.string.notification_action_4_title,
+    };
+
+    private final int i;
+    private @NotificationConstants.Action int selectedAction;
+    private final Context context;
+    private final BiConsumer<Integer, CheckBox> onToggleCompactSlot;
+
+    private ImageView icon;
+    private TextView summary;
+
+    NotificationSlot(final Context context,
+                     final SharedPreferences prefs,
+                     final int actionIndex,
+                     final View parentView,
+                     final boolean isCompactSlotChecked,
+                     final BiConsumer<Integer, CheckBox> onToggleCompactSlot) {
+        this.context = context;
+        this.i = actionIndex;
+        this.onToggleCompactSlot = onToggleCompactSlot;
+
+        selectedAction = Objects.requireNonNull(prefs).getInt(
+                context.getString(NotificationConstants.SLOT_PREF_KEYS[i]),
+                NotificationConstants.SLOT_DEFAULTS[i]);
+        final View view = parentView.findViewById(SLOT_ITEMS[i]);
+
+        // only show the last two notification slots on Android 13+
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU || i >= 3) {
+            setupSelectedAction(view);
+            setupTitle(view);
+            setupCheckbox(view, isCompactSlotChecked);
+        } else {
+            view.setVisibility(View.GONE);
+        }
+    }
+
+    void setupTitle(final View view) {
+        ((TextView) view.findViewById(R.id.notificationActionTitle))
+                .setText(SLOT_TITLES[i]);
+        view.findViewById(R.id.notificationActionClickableArea).setOnClickListener(
+                v -> openActionChooserDialog());
+    }
+
+    void setupCheckbox(final View view, final boolean isCompactSlotChecked) {
+        final CheckBox compactSlotCheckBox = view.findViewById(R.id.notificationActionCheckBox);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            // there are no compact slots to customize on Android 13+
+            compactSlotCheckBox.setVisibility(View.GONE);
+            view.findViewById(R.id.notificationActionCheckBoxClickableArea)
+                    .setVisibility(View.GONE);
+            return;
+        }
+
+        compactSlotCheckBox.setChecked(isCompactSlotChecked);
+        view.findViewById(R.id.notificationActionCheckBoxClickableArea).setOnClickListener(
+                v -> onToggleCompactSlot.accept(i, compactSlotCheckBox));
+    }
+
+    void setupSelectedAction(final View view) {
+        icon = view.findViewById(R.id.notificationActionIcon);
+        summary = view.findViewById(R.id.notificationActionSummary);
+        updateInfo();
+    }
+
+    void updateInfo() {
+        if (NotificationConstants.ACTION_ICONS[selectedAction] == 0) {
+            icon.setImageDrawable(null);
+        } else {
+            icon.setImageDrawable(AppCompatResources.getDrawable(context,
+                    NotificationConstants.ACTION_ICONS[selectedAction]));
+        }
+
+        summary.setText(NotificationConstants.getActionName(context, selectedAction));
+    }
+
+    void openActionChooserDialog() {
+        final LayoutInflater inflater = LayoutInflater.from(context);
+        final SingleChoiceDialogViewBinding binding =
+                SingleChoiceDialogViewBinding.inflate(inflater);
+
+        final AlertDialog alertDialog = new AlertDialog.Builder(context)
+                .setTitle(SLOT_TITLES[i])
+                .setView(binding.getRoot())
+                .setCancelable(true)
+                .create();
+
+        final View.OnClickListener radioButtonsClickListener = v -> {
+            selectedAction = NotificationConstants.ALL_ACTIONS[v.getId()];
+            updateInfo();
+            alertDialog.dismiss();
+        };
+
+        for (int id = 0; id < NotificationConstants.ALL_ACTIONS.length; ++id) {
+            final int action = NotificationConstants.ALL_ACTIONS[id];
+            final RadioButton radioButton = ListRadioIconItemBinding.inflate(inflater)
+                    .getRoot();
+
+            // if present set action icon with correct color
+            final int iconId = NotificationConstants.ACTION_ICONS[action];
+            if (iconId != 0) {
+                radioButton.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, iconId, 0);
+
+                final var color = ColorStateList.valueOf(ThemeHelper
+                        .resolveColorFromAttr(context, android.R.attr.textColorPrimary));
+                TextViewCompat.setCompoundDrawableTintList(radioButton, color);
+            }
+
+            radioButton.setText(NotificationConstants.getActionName(context, action));
+            radioButton.setChecked(action == selectedAction);
+            radioButton.setId(id);
+            radioButton.setLayoutParams(new RadioGroup.LayoutParams(
+                    ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
+            radioButton.setOnClickListener(radioButtonsClickListener);
+            binding.list.addView(radioButton);
+        }
+        alertDialog.show();
+
+        if (DeviceUtils.isTv(context)) {
+            FocusOverlayView.setupFocusObserver(alertDialog);
+        }
+    }
+
+    @NotificationConstants.Action
+    public int getSelectedAction() {
+        return selectedAction;
+    }
+}

app/src/main/res/layout/settings_notification.xml

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-
 <androidx.constraintlayout.widget.ConstraintLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -8,64 +7,64 @@
         android:paddingTop="16dp">
 
     <org.schabi.newpipe.views.NewPipeTextView
-            android:id="@+id/textView"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="16dp"
-            android:layout_marginEnd="16dp"
-            android:clickable="false"
-            android:focusable="false"
-            android:gravity="center"
-            android:text="@string/notification_actions_summary"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintHorizontal_bias="0.0"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+        android:id="@+id/summary"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:clickable="false"
+        android:focusable="false"
+        android:gravity="center"
+        android:text="@string/notification_actions_summary"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 
-        <include
-            android:id="@+id/notificationAction0"
-            layout="@layout/settings_notification_action"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="8dp"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/textView" />
+    <include
+        android:id="@+id/notificationAction0"
+        layout="@layout/settings_notification_action"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/summary" />
 
-        <include
-            android:id="@+id/notificationAction1"
-            layout="@layout/settings_notification_action"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/notificationAction0" />
+    <include
+        android:id="@+id/notificationAction1"
+        layout="@layout/settings_notification_action"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/notificationAction0" />
 
-        <include
-            android:id="@+id/notificationAction2"
-            layout="@layout/settings_notification_action"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/notificationAction1" />
+    <include
+        android:id="@+id/notificationAction2"
+        layout="@layout/settings_notification_action"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/notificationAction1" />
 
-        <include
-            android:id="@+id/notificationAction3"
-            layout="@layout/settings_notification_action"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/notificationAction2" />
+    <include
+        android:id="@+id/notificationAction3"
+        layout="@layout/settings_notification_action"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/notificationAction2" />
 
-        <include
-            android:id="@+id/notificationAction4"
-            layout="@layout/settings_notification_action"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/notificationAction3" />
+    <include
+        android:id="@+id/notificationAction4"
+        layout="@layout/settings_notification_action"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/notificationAction3" />
 
-    </androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -57,7 +57,8 @@
     <string name="notification_action_2_title">Third action button</string>
     <string name="notification_action_3_title">Fourth action button</string>
     <string name="notification_action_4_title">Fifth action button</string>
-    <string name="notification_actions_summary">Edit each notification action below by tapping on it. Select up to three of them to be shown in the compact notification by using the checkboxes on the right</string>
+    <string name="notification_actions_summary">Edit each notification action below by tapping on it. Select up to three of them to be shown in the compact notification by using the checkboxes on the right.</string>
+    <string name="notification_actions_summary_android13">Edit each notification action below by tapping on it. The first three actions (play/pause, previous and next) are set by the system and cannot be customized.</string>
     <string name="notification_actions_at_most_three">You can select at most three actions to show in the compact notification!</string>
     <string name="notification_action_repeat">Repeat</string>
     <string name="notification_action_shuffle">Shuffle</string>