Merge pull request #232 from AgoraIO/dev/fixbug

fix regression issues

Author: xia ning

Android/APIExample/app/src/main/java/io/agora/api/example/examples/advanced/PlayAudioFiles.java

@@ -323,14 +323,19 @@ else if (v.getId() == R.id.btn_effect)
     }
 
     private void stopProgressTimer() {
+        mixingProgressBar.setProgress(0);
         handler.removeCallbacksAndMessages(null);
     }
 
     private void startProgressTimer() {
-        final int result = (int) ((float) engine.getAudioMixingCurrentPosition() / (float) engine.getAudioFileInfo(Constant.URL_PLAY_AUDIO_FILES) * 100);
-        mixingProgressBar.setProgress(Long.valueOf(result).intValue());
-        handler.postDelayed(this::startProgressTimer, 500);
+        if(engine != null) {
+            int currentPosition = engine.getAudioMixingCurrentPosition();
+            if (mixingProgressBar.getMax() != 0 && !mixingProgressBar.isPressed())
+                mixingProgressBar.setProgress(currentPosition);
+            handler.postDelayed(this::startProgressTimer, 1000);
+        }
     }
+
     /**
      * @param channelId Specify the channel name that you want to join.
      *                  Users that input the same channel name join the same channel.*/

macOS/APIExample/Examples/Advanced/CustomAudioRender/CustomAudioRender.swift

@@ -157,8 +157,8 @@ class CustomAudioRender: BaseViewController {
             agoraKit.disableVideo()
 
             // set proxy configuration
-            let proxySetting = GlobalSettings.shared.proxySetting.selectedOption().value
-            agoraKit.setCloudProxy(AgoraCloudProxyType.init(rawValue: UInt(proxySetting)) ?? .noneProxy)
+//            let proxySetting = GlobalSettings.shared.proxySetting.selectedOption().value
+//            agoraKit.setCloudProxy(AgoraCloudProxyType.init(rawValue: UInt(proxySetting)) ?? .noneProxy)
 
             // set live broadcaster mode
             agoraKit.setChannelProfile(.liveBroadcasting)
@@ -167,10 +167,8 @@ class CustomAudioRender: BaseViewController {
 
             // setup external audio source
             exAudio.setupExternalAudio(withAgoraKit: agoraKit, sampleRate: UInt32(sampleRate), channels: UInt32(audioChannel), audioCRMode: .sdkCaptureExterRender, ioType: .remoteIO)
-            // important!! this example is using onPlaybackAudioFrame to do custom rendering
-            // by default the audio output will still be processed by SDK hence below api call is mandatory to disable that behavior
-            agoraKit.setParameters("{\"che.audio.external_render\": true}")
-            agoraKit.setParameters("{\"che.audio.keep.audiosession\": true}")
+            
+            agoraKit.enableExternalAudioSink(sampleRate, channels: audioChannel)
 
             // start joining channel
             // 1. Users can only see each other after they join the