title: android videoview fullscreen when click button
body: <p>i want to show fullscreen the video when click a button. And then return old size teh video when run fullscreen!</p>
  
  <p>how can i do that?</p>
  
  <pre><code>&lt;LinearLayout
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:layout_alignParentLeft="true"
      android:layout_below="@+id/linearLayout1"
      android:gravity="center_horizontal"
      android:orientation="vertical" &gt;
  
      &lt;WebView
          android:id="@+id/Web"
          android:layout_width="fill_parent"
          android:layout_height="150dp"
          android:layout_marginLeft="10dp"
          android:layout_marginRight="10dp"
          android:layout_marginTop="2dp"
          android:background="@drawable/screen_background" /&gt;
  
      &lt;VideoView
          android:id="@+id/videoView1"
          android:layout_width="264dp"
          android:layout_height="128dp"
          android:layout_marginTop="3dp" /&gt;
  </code></pre>