Add setIosCategory

android/src/main/java/com/ryanheise/just_audio/JustAudioPlugin.java

@@ -30,6 +30,9 @@ public class JustAudioPlugin implements MethodCallHandler {
 			new AudioPlayer(registrar, id);
 			result.success(null);
 			break;
+		case "setIosCategory":
+			result.success(null);
+			break;
 		default:
 			result.notImplemented();
 			break;

darwin/Classes/AudioPlayer.m

@@ -18,13 +18,15 @@
 	id _endObserver;
 	id _timeObserver;
 	BOOL _automaticallyWaitsToMinimizeStalling;
+	BOOL _configuredSession;
 }
 
-- (instancetype)initWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar playerId:(NSString*)idParam {
+- (instancetype)initWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar playerId:(NSString*)idParam configuredSession:(BOOL)configuredSession {
 	self = [super init];
 	NSAssert(self, @"super init cannot be nil");
 	_registrar = registrar;
 	_playerId = idParam;
+	_configuredSession = configuredSession;
 	_methodChannel = [FlutterMethodChannel
 		methodChannelWithName:[NSMutableString stringWithFormat:@"com.ryanheise.just_audio.methods.%@", _playerId]
 		      binaryMessenger:[registrar messenger]];
@@ -285,6 +287,9 @@
 	// TODO: dynamically adjust the lag.
 	//int lag = 6;
 	//int start = [self getCurrentPosition];
+	if (_configuredSession) {
+		[[AVAudioSession sharedInstance] setActive:YES error:nil];
+	}
 	[_player play];
     if (!@available(macOS 10.12, iOS 10.0, *)) {[self setPlaybackState:playing];}
 	// TODO: convert this Android code to iOS

darwin/Classes/JustAudioPlugin.m

@@ -1,9 +1,11 @@
 #import "JustAudioPlugin.h"
 #import "AudioPlayer.h"
 #import "AudioPlayer.h"
+#import <AVFoundation/AVFoundation.h>
 
 @implementation JustAudioPlugin {
 	NSObject<FlutterPluginRegistrar>* _registrar;
+	BOOL _configuredSession;
 }
 
 + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
@@ -25,7 +27,23 @@
 	if ([@"init" isEqualToString:call.method]) {
 		NSArray* args = (NSArray*)call.arguments;
 		NSString* playerId = args[0];
-		AudioPlayer* player = [[AudioPlayer alloc] initWithRegistrar:_registrar playerId:playerId];
+		AudioPlayer* player = [[AudioPlayer alloc] initWithRegistrar:_registrar playerId:playerId configuredSession:_configuredSession];
+		result(nil);
+	} else if ([@"setIosCategory" isEqualToString:call.method]) {
+		NSNumber* categoryIndex = (NSNumber*)call.arguments;
+		AVAudioSessionCategory category = nil;
+		switch (categoryIndex.integerValue) {
+			case 0: category = AVAudioSessionCategoryAmbient; break;
+			case 1: category = AVAudioSessionCategorySoloAmbient; break;
+			case 2: category = AVAudioSessionCategoryPlayback; break;
+			case 3: category = AVAudioSessionCategoryRecord; break;
+			case 4: category = AVAudioSessionCategoryPlayAndRecord; break;
+			case 5: category = AVAudioSessionCategoryMultiRoute; break;
+		}
+		if (category) {
+			_configuredSession = YES;
+		}
+		[[AVAudioSession sharedInstance] setCategory:category error:nil];
 		result(nil);
 	} else {
 		result(FlutterMethodNotImplemented);

example/ios/Podfile.lock

@@ -25,4 +25,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: f32fb4e7c14f8b3ca19a369d7be425dd9241af27
 
-COCOAPODS: 1.7.5
+COCOAPODS: 1.9.1

example/ios/Runner.xcodeproj/project.pbxproj

@@ -315,7 +315,6 @@
 /* Begin XCBuildConfiguration section */
 		249021D3217E4FDB00AE95B9 /* Profile */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
@@ -388,7 +387,6 @@
 		};
 		97C147031CF9000F007C117D /* Debug */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
@@ -444,7 +442,6 @@
 		};
 		97C147041CF9000F007C117D /* Release */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;

example/lib/main.dart

@@ -18,6 +18,7 @@ class _MyAppState extends State<MyApp> {
   @override
   void initState() {
     super.initState();
+    AudioPlayer.setIosCategory(IosCategory.playback);
     _player = AudioPlayer();
     _player
         .setUrl(

ios/Classes/AudioPlayer.h

@@ -2,7 +2,7 @@
 
 @interface AudioPlayer : NSObject<FlutterStreamHandler>
 
-- (instancetype)initWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar playerId:(NSString*)idParam;
+- (instancetype)initWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar playerId:(NSString*)idParam configuredSession:(BOOL)configuredSession;
 
 @end
 

lib/just_audio.dart

@@ -50,6 +50,22 @@ class AudioPlayer {
     return MethodChannel('com.ryanheise.just_audio.methods.$id');
   }
 
+  /// Configure the audio session category on iOS. Has no effect on Android.
+  ///
+  /// Note that the default category on iOS is [IosCategory.soloAmbient], but
+  /// for a typical media app, you will probably want to change this to
+  /// [IosCategory.playback].  If you wish to override the default, call this
+  /// method before playing any audio.
+  ///
+  /// Note: If you use other audio plugins in conjunction with this one, it is
+  /// possible that the other audio plugin may override the setting you choose
+  /// here. (You may consider asking the developer of each other plugin you use
+  /// to provide a similar method so that you can configure the same category
+  /// universally.)
+  static Future<void> setIosCategory(IosCategory category) async {
+    await _mainChannel.invokeMethod('setIosCategory', category.index);
+  }
+
   final Future<MethodChannel> _channel;
 
   final int _id;
@@ -540,3 +556,14 @@ class IcyMetadata {
 
   IcyMetadata({@required this.info, @required this.headers});
 }
+
+/// The audio session categories on iOS, to be used with
+/// [AudioPlayer.setIosCategory].
+enum IosCategory {
+  ambient,
+  soloAmbient,
+  playback,
+  record,
+  playAndRecord,
+  multiRoute,
+}