Handle looping for Android

android/src/main/java/com/zmxv/RNSound/RNSoundModule.java

@@ -25,6 +25,13 @@ public class RNSoundModule extends ReactContextBaseJavaModule {
   Map<Integer, MediaPlayer> playerPool = new HashMap<>();
   ReactApplicationContext context;
   final static Object NULL = null;
+  /**
+   * Number of loops for the sound.
+   * -1 - play inifity
+   * 0 - play once
+   * 1 - play twice etc.
+   */
+  Integer loops = 0;
 
   public RNSoundModule(ReactApplicationContext context) {
     super(context);
@@ -134,22 +141,7 @@ public void play(final Integer key, final Callback callback) {
     if (player.isPlaying()) {
       return;
     }
-    player.setOnCompletionListener(new OnCompletionListener() {
-      boolean callbackWasCalled = false;
-
-      @Override
-      public synchronized void onCompletion(MediaPlayer mp) {
-        if (!mp.isLooping()) {
-          if (callbackWasCalled) return;
-          callbackWasCalled = true;
-          try {
-            callback.invoke(true);
-          } catch (Exception e) {
-              //Catches the exception: java.lang.RuntimeException·Illegal callback invocation from native module
-          }
-        }
-      }
-    });
+    player.setOnCompletionListener(new OnCompletionListenerLooped(callback, this.loops));
     player.setOnErrorListener(new OnErrorListener() {
       boolean callbackWasCalled = false;
 
@@ -201,11 +193,16 @@ public void setVolume(final Integer key, final Float left, final Float right) {
   }
 
   @ReactMethod
-  public void setLooping(final Integer key, final Boolean looping) {
-    MediaPlayer player = this.playerPool.get(key);
-    if (player != null) {
-      player.setLooping(looping);
-    }
+  public void setNumberOfLoops(final Integer key, final Integer loops) {
+  	if (loops == -1) {
+  	  MediaPlayer player = this.playerPool.get(key);
+		if (player != null) {
+		  player.setLooping(true);
+		}
+	}
+	else {
+  	  this.loops = loops;
+	}
   }
 
   @ReactMethod
@@ -258,3 +255,39 @@ public Map<String, Object> getConstants() {
     return constants;
   }
 }
+
+class OnCompletionListenerLooped implements OnCompletionListener {
+  /**
+   * Number of loops. 0 - play once, 1 - play twice etc.
+   * Media player have set looping to true if -1 is given from react component.
+   */
+  Integer loops = 0;
+  boolean callbackWasCalled = false;
+  Callback callback;
+
+  public OnCompletionListenerLooped(Callback callback, Integer loops) {
+  	super();
+  	this.callback = callback;
+  	this.loops = loops;
+  }
+
+  @Override
+  public synchronized void onCompletion(MediaPlayer mp) {
+  	if (!mp.isLooping()) {
+  	  if (this.loops > 0) {
+  	  	mp.start();
+  	  	this.loops--;
+  	  	return;
+	  }
+	  if (callbackWasCalled)
+	  	return;
+  	  callbackWasCalled = true;
+  	  try {
+  	  	callback.invoke(true);
+	  }
+	  catch (Exception e) {
+  	  	//Catches the exception: java.lang.RuntimeException·Illegal callback invocation from native module
+	  }
+	}
+  }
+}

sound.js

@@ -123,7 +123,7 @@ Sound.prototype.getNumberOfLoops = function() {
 Sound.prototype.setNumberOfLoops = function(value) {
   this._numberOfLoops = value;
   if (this._loaded) {
-    if (IsAndroid || IsWindows) {
+    if (IsWindows) {
       RNSound.setLooping(this._key, !!value);
     } else {
       RNSound.setNumberOfLoops(this._key, value);