From 9db99a07d0c5ac8eecd8b8c1b42792caab0fcc40 Mon Sep 17 00:00:00 2001
From: Kingkor Roy Tirtho <krtirtho@gmail.com>
Date: Tue, 12 Jul 2022 01:35:10 +0600
Subject: [PATCH] Initial Volume maxed out to 100% fixed Android audio is not
 pausing on other audio source is running

---
 lib/provider/Playback.dart           |  4 +++-
 lib/services/MobileAudioService.dart | 16 +++++++++++++++-
 pubspec.lock                         |  4 ++--
 pubspec.yaml                         |  1 +
 4 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/lib/provider/Playback.dart b/lib/provider/Playback.dart
index c5fb7840..0cd7e205 100644
--- a/lib/provider/Playback.dart
+++ b/lib/provider/Playback.dart
@@ -23,7 +23,6 @@ import 'package:spotube/provider/YouTube.dart';
 import 'package:spotube/services/LinuxAudioService.dart';
 import 'package:spotube/services/MobileAudioService.dart';
 import 'package:spotube/utils/PersistedChangeNotifier.dart';
-import 'package:spotube/utils/platform.dart';
 import 'package:youtube_explode_dart/youtube_explode_dart.dart' hide Playlist;
 import 'package:collection/collection.dart';
 import 'package:spotube/extensions/list-sort-multiple.dart';
@@ -80,6 +79,9 @@ class Playback extends PersistedChangeNotifier {
 
     (() async {
       cache = await Hive.openLazyBox<CacheTrack>("track-cache");
+
+      await player.setVolume(volume);
+
       _subscriptions.addAll([
         player.onPlayerStateChanged.listen(
           (state) async {
diff --git a/lib/services/MobileAudioService.dart b/lib/services/MobileAudioService.dart
index a426a262..87109ef8 100644
--- a/lib/services/MobileAudioService.dart
+++ b/lib/services/MobileAudioService.dart
@@ -1,13 +1,23 @@
 import 'dart:async';
 
 import 'package:audio_service/audio_service.dart';
+import 'package:audio_session/audio_session.dart';
 import 'package:audioplayers/audioplayers.dart';
 import 'package:spotube/provider/Playback.dart';
 
 class MobileAudioService extends BaseAudioHandler {
   final Playback playback;
+  AudioSession? session;
 
   MobileAudioService(this.playback) {
+    AudioSession.instance.then((s) {
+      session = s;
+      s.interruptionEventStream.listen((event) {
+        if (event.type != AudioInterruptionType.duck) {
+          playback.pause();
+        }
+      });
+    });
     final _player = playback.player;
     _player.onPlayerStateChanged.listen((state) async {
       if (state != PlayerState.completed) {
@@ -31,6 +41,7 @@ class MobileAudioService extends BaseAudioHandler {
   }
 
   void addItem(MediaItem item) {
+    session?.setActive(true);
     mediaItem.add(item);
   }
 
@@ -44,7 +55,10 @@ class MobileAudioService extends BaseAudioHandler {
   Future<void> seek(Duration position) => playback.seekPosition(position);
 
   @override
-  Future<void> stop() => playback.stop();
+  Future<void> stop() async {
+    await session?.setActive(true);
+    await playback.stop();
+  }
 
   @override
   Future<void> skipToNext() async {
diff --git a/pubspec.lock b/pubspec.lock
index 70e08e12..c3ec6182 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -65,12 +65,12 @@ packages:
     source: hosted
     version: "0.1.1"
   audio_session:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: audio_session
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.6+1"
+    version: "0.1.9"
   audioplayers:
     dependency: "direct main"
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 4b8953e3..4cb82f63 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -64,6 +64,7 @@ dependencies:
   dbus: ^0.7.3
   audioplayers: ^1.0.1
   introduction_screen: ^3.0.2
+  audio_session: ^0.1.9
 
 dev_dependencies:
   flutter_test: