<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="horizontal" >

    <FrameLayout
        android:id="@+id/fragmentContainer1"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1" >

    </FrameLayout>

     <FrameLayout
         android:id="@+id/fragmentContainer2"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_weight="2" 
         android:visibility="gone">
    </FrameLayout>
 
     
         <FrameLayout
         android:id="@+id/fragmentContainer3"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_weight="2" 
         android:visibility="gone">
    </FrameLayout>
</LinearLayout>