Implementing setSpeed for android (#169)

* remove player.prepare

* Implementing setSpeed for android

* Updating feature table with android setSpeed

Author: twitwi

README.md

@@ -21,7 +21,7 @@ Get/set volume | ✓ | ✓ | ✓
 Get/set pan | ✓ |   |
 Get/set loops | ✓ | ✓ | ✓
 Get/set current time | ✓ | ✓ | ✓
-Set speed | ✓ |   |
+Set speed | ✓ | ✓ |
 
 ## Installation
 

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

@@ -44,17 +44,6 @@ public void prepare(final String fileName, final Integer key, final Callback cal
       callback.invoke(e);
       return;
     }
-    try {
-      player.prepare();
-    } catch (Exception exception) {
-              Log.e("RNSoundModule", "Exception", exception);
-
-       WritableMap e = Arguments.createMap();
-        e.putInt("code", -1);
-        e.putString("message", exception.getMessage());
-        callback.invoke(e);
-        return;
-    }
     this.playerPool.put(key, player);
     WritableMap props = Arguments.createMap();
     props.putDouble("duration", player.getDuration() * .001);
@@ -157,6 +146,14 @@ public void setLooping(final Integer key, final Boolean looping) {
     }
   }
 
+  @ReactMethod
+  public void setSpeed(final Integer key, final Float speed) {
+    MediaPlayer player = this.playerPool.get(key);
+    if (player != null) {
+      player.setPlaybackParams(player.getPlaybackParams().setSpeed(speed));
+    }
+  }
+
   @ReactMethod
   public void setCurrentTime(final Integer key, final Float sec) {
     MediaPlayer player = this.playerPool.get(key);

sound.js

@@ -135,7 +135,7 @@ Sound.prototype.setNumberOfLoops = function(value) {
 Sound.prototype.setSpeed = function(value) {
   this._setSpeed = value;
   if (this._loaded) {
-    if (!IsAndroid && !IsWindows) {
+    if (!IsWindows) {
       RNSound.setSpeed(this._key, value);
     }
   }