Add setRate to android. Fix rate playback on iOS

README.md

@@ -658,6 +658,7 @@ Stops recording an audio file.
 ### Supported Platforms
 
 - iOS
+- Android
 
 ### Parameters
 

src/android/AudioHandler.java

@@ -487,6 +487,23 @@ public void setVolume(String id, float volume) {
         }
     }
 
+    /**
+     * Set the playback rate of an audio file
+     * 
+     * @param id   The id of the audio player
+     * @param rate The playback rate
+     */
+    public void setRate(String id, float rate) {
+        String TAG3 = "AudioHandler.setRate(): Error : ";
+        AudioPlayer audio = this.players.get(id);
+        if (audio != null) {
+            audio.setRate(rate);
+        } else {
+            LOG.e(TAG3, "Unknown Audio Player " + id);
+        }	        
+    }
+
+
     private void onFirstPlayerCreated() {
         origVolumeStream = cordova.getActivity().getVolumeControlStream();
         cordova.getActivity().setVolumeControlStream(AudioManager.STREAM_MUSIC);

src/ios/CDVSound.m

@@ -581,6 +581,7 @@ - (void)seekToAudio:(CDVInvokedUrlCommand*)command
 
         BOOL isPlaying = (avPlayer.rate > 0 && !avPlayer.error);
         BOOL isReadyToSeek = (avPlayer.status == AVPlayerStatusReadyToPlay) && (avPlayer.currentItem.status == AVPlayerItemStatusReadyToPlay);
+        float currentPlaybackRate = avPlayer.rate;
 
         // CB-10535:
         // When dealing with remote files, we can get into a situation where we start playing before AVPlayer has had the time to buffer the file to be played.
@@ -590,7 +591,11 @@ - (void)seekToAudio:(CDVInvokedUrlCommand*)command
                  toleranceBefore: kCMTimeZero
                   toleranceAfter: kCMTimeZero
                completionHandler: ^(BOOL finished) {
-                   if (isPlaying) [avPlayer play];
+                   if (isPlaying) { 
+                       [avPlayer play];
+                       // [avPlayer play] sets the rate to 1, so we need to set it again after seeking
+                       [avPlayer setRate:currentPlaybackRate];
+                   };
                }];
         } else {
             NSString* errMsg = @"AVPlayerItem cannot service a seek request with a completion handler until its status is AVPlayerItemStatusReadyToPlay.";