bugfix - 230/Stop player should not be freed the resources

android/src/main/kotlin/com/simform/audio_waveforms/AudioPlayer.kt

@@ -132,7 +132,6 @@ class AudioPlayer(
         }
         isPlayerPrepared = false
         player?.stop()
-        player?.release()
         result.success(true)
     }
 
@@ -146,6 +145,15 @@ class AudioPlayer(
             result.error(Constants.LOG_TAG, "Failed to pause the player", e.toString())
         }
 
+    }
+    fun release(result: MethodChannel.Result) {
+        try {
+            player?.release()
+            result.success(true)
+        } catch (e: Exception) {
+            result.error(Constants.LOG_TAG, "Failed to release player resource", e.toString())
+        }
+
     }
 
     fun setVolume(volume: Float?, result: MethodChannel.Result) {

android/src/main/kotlin/com/simform/audio_waveforms/AudioWaveformsPlugin.kt

@@ -113,6 +113,11 @@ class AudioWaveformsPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
                     result.error(Constants.LOG_TAG, "Player key can't be null", "")
                 }
             }
+            Constants.releaseAudioPlayerResource -> {
+                val key = call.argument(Constants.playerKey) as String?
+                audioPlayers[key]?.release(result)
+                recorder = null
+            }
             Constants.seekTo -> {
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                     val progress = call.argument(Constants.progress) as Int?

android/src/main/kotlin/com/simform/audio_waveforms/Utils.kt

@@ -44,6 +44,7 @@ object Constants {
     const val startPlayer = "startPlayer"
     const val stopPlayer = "stopPlayer"
     const val pausePlayer = "pausePlayer"
+    const val releaseAudioPlayerResource = "releaseAudioPlayerResource"
     const val seekTo = "seekTo"
     const val progress = "progress"
     const val setVolume = "setVolume"

example/ios/Runner.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 51;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -155,7 +155,7 @@
 		97C146E61CF9000F007C117D /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1300;
+				LastUpgradeCheck = 1430;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
 					97C146ED1CF9000F007C117D = {
@@ -199,10 +199,12 @@
 /* Begin PBXShellScriptBuildPhase section */
 		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
 			inputPaths = (
+				"${TARGET_BUILD_DIR}/${INFOPLIST_PATH}",
 			);
 			name = "Thin Binary";
 			outputPaths = (
@@ -213,6 +215,7 @@
 		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@@ -339,7 +342,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -420,7 +423,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -469,7 +472,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;

example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1300"
+   LastUpgradeVersion = "1430"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

ios/Classes/AudioPlayer.swift

@@ -86,11 +86,15 @@ class AudioPlayer: NSObject, AVAudioPlayerDelegate {
     func stopPlayer(result: @escaping FlutterResult) {
         stopListening()
         player?.stop()
-        player = nil
         timer = nil
         result(true)
     }
 
+    func release(result: @escaping FlutterResult) {
+        player = nil
+        result(true)
+    }
+
     func getDuration(_ type: DurationType, _ result: @escaping FlutterResult) throws {
         if type == .Current {
             let ms = (player?.currentTime ?? 0) * 1000

ios/Classes/SwiftAudioWaveformsPlugin.swift

@@ -81,6 +81,12 @@ public class SwiftAudioWaveformsPlugin: NSObject, FlutterPlugin {
                 result(FlutterError(code: Constants.audioWaveforms, message: "Can not stop player", details: "Player key is null"))
             }
             break
+        case Constants.releaseAudioPlayerResource:
+            let key = args?[Constants.playerKey] as? String
+            if(key != nil){
+                audioPlayers[key!]?.release(result: result)
+            }
+            break;
         case Constants.seekTo:
             let key = args?[Constants.playerKey] as? String
             if(key != nil){

ios/Classes/Utils.swift

@@ -36,6 +36,7 @@ struct Constants {
     static let startPlayer = "startPlayer"
     static let stopPlayer = "stopPlayer"
     static let pausePlayer = "pausePlayer"
+    static let releaseAudioPlayerResource = "releaseAudioPlayerResource"
     static let seekTo = "seekTo"
     static let progress = "progress"
     static let setVolume = "setVolume"

lib/src/base/audio_waveforms_interface.dart

@@ -122,6 +122,12 @@ class AudioWaveformsInterface {
     return result ?? false;
   }
 
+  ///platform call to release resource
+  Future<bool> release(String key)async{
+    var result = await  _methodChannel.invokeMethod(Constants.releaseAudioPlayerResource,{Constants.playerKey : key});
+    return result ?? false;
+  }
+
   ///platform call to pause player
   Future<bool> pausePlayer(String key) async {
     var result = await _methodChannel

lib/src/base/constants.dart

@@ -20,6 +20,7 @@ class Constants {
   static const String preparePlayer = "preparePlayer";
   static const String startPlayer = "startPlayer";
   static const String stopPlayer = "stopPlayer";
+  static const String releaseAudioPlayerResource = "releaseAudioPlayerResource";
   static const String pausePlayer = "pausePlayer";
   static const String seekTo = "seekTo";
   static const String progress = "progress";

lib/src/controllers/player_controller.dart

@@ -209,7 +209,7 @@ class PlayerController extends ChangeNotifier {
     notifyListeners();
   }
 
-  /// A function to stop player. After calling this, resources are freed.
+  /// A function to stop player. After calling this.
   Future<void> stopPlayer() async {
     final isStopped =
         await AudioWaveformsInterface.instance.stopPlayer(playerKey);
@@ -219,6 +219,11 @@ class PlayerController extends ChangeNotifier {
     notifyListeners();
   }
 
+  /// Releases the resources associated with this player.
+  Future<void> release() async {
+    await AudioWaveformsInterface.instance.release(playerKey);
+  }
+
   /// Sets volume for this player. Doesn't throw Exception.
   /// Returns false if it couldn't set the volume.
   ///
@@ -264,6 +269,7 @@ class PlayerController extends ChangeNotifier {
   @override
   void dispose() async {
     if (playerState != PlayerState.stopped) await stopPlayer();
+    await release();
     PlatformStreams.instance.playerControllerFactory.remove(this);
     if (PlatformStreams.instance.playerControllerFactory.length == 1) {
       PlatformStreams.instance.dispose();