How to divided into 4 equal parts horizontal in Layout
<p>I have to create an app like this</p>

<p><a href="http://s22.postimg.org/fhhzngr65/Untitled.png" rel="nofollow">http://s22.postimg.org/fhhzngr65/Untitled.png</a></p>

<p>To create 4 equal parts vertical, I use <code>android:weightSum="100"</code>
How to devided into 4 equal parts horizontal (I use LinearLayout and TableRow)</p>
