diff --git a/res/layout/main_activity.xml b/res/layout/main_activity.xml
index 6b0389b..0e13cd6 100644
--- a/res/layout/main_activity.xml
+++ b/res/layout/main_activity.xml
@@ -22,7 +22,7 @@
         android:maxHeight="@dimen/lesize"
         android:maxWidth="@dimen/lesize"
         android:scaleType="fitCenter" />
-    
+
     <TextView
         android:id="@+id/textViewXml"
         android:layout_width="wrap_content"
@@ -46,28 +46,35 @@
         android:layout_marginTop="21dp"
         android:textAppearance="?android:attr/textAppearanceSmall" />
 
-    <TextView
-        android:id="@+id/textViewAlerta"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignBottom="@+id/imageViewAlerta"
-        android:layout_alignTop="@+id/imageViewAlerta"
-        android:layout_toRightOf="@+id/imageViewAlerta"
-        android:text="@string/alertVitamioNotInstalled"
-        android:textColor="@color/Orange"
-        android:visibility="invisible" />
-
-    <ImageView
-        android:id="@+id/imageViewAlerta"
-        android:layout_width="wrap_content"
+    <RelativeLayout
+        android:id="@+id/Alerta"
+        android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:layout_above="@+id/button"
-        android:layout_alignLeft="@+id/button"
-        android:layout_marginBottom="28dp"
-        android:layout_marginLeft="17dp"
-        android:layout_marginRight="5dip"
-        android:contentDescription="@string/alertLogoDescription"
-        android:src="@android:drawable/ic_dialog_alert"
-        android:visibility="invisible" />
+        android:layout_centerHorizontal="true"
+        android:layout_marginBottom="20dp" >
+
+        <TextView
+            android:id="@+id/textViewAlerta"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignBottom="@+id/imageViewAlerta"
+            android:layout_alignTop="@+id/imageViewAlerta"
+            android:layout_centerHorizontal="true"
+            android:text="@string/alertVitamioNotInstalled"
+            android:textColor="@color/Orange"
+            android:visibility="invisible" />
+
+        <ImageView
+            android:id="@+id/imageViewAlerta"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginRight="5dip"
+            android:layout_toLeftOf="@id/textViewAlerta"
+            android:contentDescription="@string/alertLogoDescription"
+            android:src="@android:drawable/ic_dialog_alert"
+            android:visibility="invisible" />
+
+    </RelativeLayout>
 
 </RelativeLayout>
\ No newline at end of file
diff --git a/src/com/upc/pbe/upcnews/HLS.java b/src/com/upc/pbe/upcnews/HLS.java
index 1567262..7d51592 100644
--- a/src/com/upc/pbe/upcnews/HLS.java
+++ b/src/com/upc/pbe/upcnews/HLS.java
@@ -71,9 +71,34 @@ public class HLS
 		d.descarregarguardar(seg.getURL(), localFolder);
 		double bps = bm.Measure(segmentBytes, startTime);
 		Log.d(TAG, "Velocitat actual (KB/s): " + (bps / 8e3));
-		if ((bps < qualities.get(currentQuality).getQuality()) && (bps != -1))
+		if ((bps <= qualities.get(currentQuality).getQuality()) && (bps != -1))
 		{
-			currentQuality++;
+			int newQuality;
+			for(newQuality = 0; newQuality < qualities.size(); newQuality++)
+			{
+				if(bps >= qualities.get(newQuality).getQuality())
+				{
+					break;
+				}
+			}
+			currentQuality = newQuality;
+			currentVideo--; //Corregimos el del loadVideo()
+			loadVideo();
+		}
+		else if((bps > qualities.get(currentQuality).getQuality()) && (bps != -1))
+		{
+			int newQuality;
+			for(newQuality = qualities.size(); newQuality <= 0; newQuality--)
+			{
+				if(bps <= qualities.get(newQuality).getQuality())
+				{
+					newQuality--;
+					break;
+				}
+			}
+			currentQuality = newQuality;
+			currentVideo--; //Corregimos el del loadVideo()
+			loadVideo();
 		}
 		return localFolder
 				+ seg.getURL().substring(seg.getURL().lastIndexOf("/") + 1, seg.getURL().length());
diff --git a/src/com/upc/pbe/upcnews/MainActivity.java b/src/com/upc/pbe/upcnews/MainActivity.java
index be7e0b1..7727b26 100644
--- a/src/com/upc/pbe/upcnews/MainActivity.java
+++ b/src/com/upc/pbe/upcnews/MainActivity.java
@@ -109,9 +109,9 @@ public class MainActivity extends Activity implements OnClickListener {
 
 	public boolean onCreateOptionsMenu(Menu menu) {
 		//Determina el funcionament al apretar la tecla d'opcions
-		getMenuInflater().inflate(R.menu.menu, menu);
-		Log.d(TAG, "Menu");
-		return true;
+			getMenuInflater().inflate(R.menu.menu, menu);
+			Log.d(TAG, "Menu");
+			return true;
 	}
 
 	public boolean onOptionsItemSelected(MenuItem item) {
@@ -136,6 +136,7 @@ public class MainActivity extends Activity implements OnClickListener {
 	 * (NORMAL) Poner la defaultURL al server de PBE	
 	 * (WISHLIST) Descarga en segundo plano (Mejora dificil)
 	 * (WISHLIST) A�adir gif Imanol bailando (Easter eggs? vais en serio? XDDDDDDDDDDDD)
+	 * (LOW) Por qué peta las preferences en mi tablet??
 	 * Borrar esta puta mierda
 	 */
 }
diff --git a/src/com/upc/pbe/upcnews/Prefs.java b/src/com/upc/pbe/upcnews/Prefs.java
index a33b207..4dcf98a 100644
--- a/src/com/upc/pbe/upcnews/Prefs.java
+++ b/src/com/upc/pbe/upcnews/Prefs.java
@@ -19,7 +19,7 @@ public class Prefs extends PreferenceActivity {
 		addPreferencesFromResource(R.xml.prefs);
 	}
 	
-	@Override
+	/*@Override
 	public boolean onCreateOptionsMenu(Menu menu) {
 		//Determina el funcionament al apretar la tecla d'opcions
 		getMenuInflater().inflate(R.menu.menu, menu);
@@ -40,6 +40,6 @@ public class Prefs extends PreferenceActivity {
 			default:
 				return false;
 		}
-	}
+	}*/
 
 }
\ No newline at end of file
diff --git a/src/com/upc/pbe/upcnews/VideoActivity.java b/src/com/upc/pbe/upcnews/VideoActivity.java
index 064cd56..96d97ac 100644
--- a/src/com/upc/pbe/upcnews/VideoActivity.java
+++ b/src/com/upc/pbe/upcnews/VideoActivity.java
@@ -25,7 +25,14 @@ public class VideoActivity extends Activity {
 	public void onCreate(Bundle savedInstanceState) {
 		
 		//Creem el layout
+		
 		super.onCreate(savedInstanceState);
+		//Necesario para las libs
+		if (!io.vov.vitamio.LibsChecker.checkVitamioLibs(this))
+		{
+			return;
+		}
+
 		setContentView(R.layout.activity_video);
 		video = (VideoView) findViewById(R.id.VideoView1);
 		//Creem un listener associat al fi de l'activitat (el fi de cada ts)