how to draw custom gallery in android
<p>I want to develop an app based on the image in which thumbnails can move from top to bottom and left to right simultaneously.<img src="http://i.stack.imgur.com/jyBEH.png" alt="enter image description here"></p>

<p>please refer the image where gray parts are the thumbnails.
I want to know from where i can start </p>

<p>Looking for the help</p>
