From 6f702778f43fc65659606a42dfe08429f69e5b31 Mon Sep 17 00:00:00 2001
From: Gabe Schrecker <gabe@pbrb.co.uk>
Date: Sun, 10 Sep 2017 14:17:21 +0100
Subject: [PATCH] Support control of multiple media playback applications
 (#807)

* Added Lollipop only detection of the playing media package, using MediaSessionManager. Replicates funtionality of the Official Pebble client.
---
 .../receivers/GBMusicControlReceiver.java     | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/receivers/GBMusicControlReceiver.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/receivers/GBMusicControlReceiver.java
index 379475ca..1d5bf415 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/receivers/GBMusicControlReceiver.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/receivers/GBMusicControlReceiver.java
@@ -18,17 +18,23 @@
 package nodomain.freeyourgadget.gadgetbridge.service.receivers;
 
 import android.content.BroadcastReceiver;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.media.AudioManager;
+import android.media.session.MediaController;
+import android.media.session.MediaSessionManager;
 import android.os.SystemClock;
 import android.view.KeyEvent;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.List;
+
 import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.deviceevents.GBDeviceEventMusicControl;
+import nodomain.freeyourgadget.gadgetbridge.externalevents.NotificationListener;
 import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
 
 public class GBMusicControlReceiver extends BroadcastReceiver {
@@ -73,6 +79,22 @@ public class GBMusicControlReceiver extends BroadcastReceiver {
             Prefs prefs = GBApplication.getPrefs();
             String audioPlayer = prefs.getString("audio_player", "default");
 
+            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
+                MediaSessionManager mediaSessionManager =
+                        (MediaSessionManager) context.getSystemService(Context.MEDIA_SESSION_SERVICE);
+
+                List<MediaController> controllers = mediaSessionManager.getActiveSessions(
+                        new ComponentName(context, NotificationListener.class));
+                try {
+                    MediaController controller = controllers.get(0);
+                    audioPlayer = controller.getPackageName();
+                } catch (IndexOutOfBoundsException e) {
+                    System.err.println("IndexOutOfBoundsException: " + e.getMessage());
+                }
+            }
+
+            LOG.debug("keypress: " + musicCmd.toString() + " sent to: " + audioPlayer);
+
             long eventtime = SystemClock.uptimeMillis();
 
             Intent downIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null);