Show custom actions in music widget

services/music/src/main/java/de/mm20/launcher2/music/MusicService.kt

@@ -8,6 +8,7 @@ import android.content.pm.PackageManager
 import android.graphics.Bitmap
 import android.media.AudioManager
 import android.media.MediaMetadata
+import android.media.Rating
 import android.media.session.MediaController
 import android.media.session.MediaSession
 import android.media.session.PlaybackState.CustomAction
@@ -67,6 +68,7 @@ interface MusicService {
     fun play()
     fun togglePause()
     fun seekTo(position: Long)
+    fun performCustomAction(action: CustomAction)
     fun openPlayer(): PendingIntent?
 
     fun openPlayerChooser(context: Context)
@@ -552,6 +554,13 @@ internal class MusicServiceImpl(
         )
     }
 
+    override fun performCustomAction(action: CustomAction) {
+        scope.launch {
+            val controller = currentMediaController.firstOrNull()
+            controller?.transportControls?.sendCustomAction(action.action, action.extras)
+        }
+    }
+
     private fun getMusicApps(): Set<String> {
         // List of known music apps that don't have the correct intent filter
         val apps = mutableSetOf(

services/music/src/main/java/de/mm20/launcher2/music/SupportedActions.kt

@@ -2,6 +2,8 @@ package de.mm20.launcher2.music
 
 import android.media.session.PlaybackState
 import android.media.session.PlaybackState.CustomAction
+import android.os.Bundle
+import android.util.Log
 
 data class SupportedActions(
     val stop: Boolean = false,
@@ -24,5 +26,14 @@ data class SupportedActions(
         setPlaybackSpeed = actions?.and(PlaybackState.ACTION_SET_PLAYBACK_SPEED) == PlaybackState.ACTION_SET_PLAYBACK_SPEED,
         setRating = actions?.and(PlaybackState.ACTION_SET_RATING) == PlaybackState.ACTION_SET_RATING,
         customActions = customActions ?: emptyList(),
-    )
+    ) {
+        for (action in customActions ?: emptyList()) {
+            Log.d("MM20", action.action.toString())
+            val extras = action.extras ?: Bundle.EMPTY
+            val keySet = extras.keySet()
+            for (key in keySet) {
+                Log.d("MM20", "$key: ${extras.get(key)}")
+            }
+        }
+    }
 }