diff --git a/VitamioBundle/res/layout/mediacontroller.xml b/VitamioBundle/res/layout/mediacontroller.xml
index 65b08da..a693ae9 100644
--- a/VitamioBundle/res/layout/mediacontroller.xml
+++ b/VitamioBundle/res/layout/mediacontroller.xml
@@ -46,7 +46,7 @@
                 android:background="#00000000"
                 android:contentDescription="@string/mediacontroller_play_pause"
                 android:gravity="center"
-                android:src="@drawable/mediacontroller_pause_button" />
+                android:src="@android:drawable/ic_media_pause" />
 
             <ImageButton
                 android:id="@+id/ImageButton01"
@@ -57,7 +57,7 @@
                 android:background="#00000000"
                 android:gravity="center"
                 android:scaleType="fitCenter"
-                android:src="@drawable/mediacontroller_ff_left" />
+                android:src="@android:drawable/ic_media_rew" />
 
             <ImageButton
                 android:id="@+id/ImageButton02"
@@ -70,7 +70,7 @@
                 android:background="#00000000"
                 android:gravity="center"
                 android:scaleType="fitCenter"
-                android:src="@drawable/mediacontroller_ff_right" />
+                android:src="@android:drawable/ic_media_ff" />
 
         </RelativeLayout>
 
diff --git a/VitamioBundle/src/io/vov/vitamio/widget/MediaController.java b/VitamioBundle/src/io/vov/vitamio/widget/MediaController.java
index a695f03..8fc01ee 100644
--- a/VitamioBundle/src/io/vov/vitamio/widget/MediaController.java
+++ b/VitamioBundle/src/io/vov/vitamio/widget/MediaController.java
@@ -20,6 +20,7 @@ package io.vov.vitamio.widget;
 import io.vov.utils.Log;
 import io.vov.utils.StringUtils;
 import io.vov.vitamio.R;
+import android.R.drawable;
 import android.content.Context;
 import android.graphics.Rect;
 import android.media.AudioManager;
@@ -468,9 +469,9 @@ public class MediaController extends FrameLayout {
 			return;
 
 		if (mPlayer.isPlaying())
-			mPauseButton.setImageResource(R.drawable.mediacontroller_pause_button);
+			mPauseButton.setImageResource(drawable.ic_media_pause);
 		else
-			mPauseButton.setImageResource(R.drawable.mediacontroller_play_button);
+			mPauseButton.setImageResource(drawable.ic_media_play);
 	}
 
 	private void doPauseResume() {
diff --git a/src/com/upc/pbe/upcnews/VideoActivity.java b/src/com/upc/pbe/upcnews/VideoActivity.java
index e12c66f..e275f32 100644
--- a/src/com/upc/pbe/upcnews/VideoActivity.java
+++ b/src/com/upc/pbe/upcnews/VideoActivity.java
@@ -20,6 +20,7 @@ import android.net.TrafficStats;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.KeyEvent;
 import android.view.View;
 import android.widget.Toast;
 
@@ -196,6 +197,17 @@ public class VideoActivity extends Activity {
 	}
 	
 	@Override
+	public boolean onKeyDown(int keyCode, KeyEvent event) {
+		// Determina el funcionament al apretar la tecla de tornar enrere
+		if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) 
+		{
+			quitPlayer();
+			return true;
+		}
+		return super.onKeyDown(keyCode, event);
+	}
+	
+	@Override
 	public void onConfigurationChanged(Configuration newConfig) {
 		if (video != null)
 			video.setVideoLayout(VideoView.VIDEO_LAYOUT_SCALE, 0);