how to set wallpaper fixed and scrollable same like OGQ Backgrounds HD App do's in android
<p>I wants to  set wallpaper fixed and scrollable.
This is link to the OGQ Backgrounds HD App.
<a href="https://play.google.com/store/apps/details?id=com.ogqcorp.bgh" rel="nofollow">https://play.google.com/store/apps/details?id=com.ogqcorp.bgh</a></p>

<p>That app screen shots attached here, The same way i wants to do any how.
please suggest any library or reflection class code, hacking or any other code.<a href="https://i.stack.imgur.com/maTwV.jpg" rel="nofollow"><img src="https://i.stack.imgur.com/maTwV.jpg" alt="Scrollable Standard Wallpaper"></a></p>

<p><a href="https://i.stack.imgur.com/daiCh.jpg" rel="nofollow"><img src="https://i.stack.imgur.com/daiCh.jpg" alt="Fixed Fit to screen Wallpaper"></a></p>

<p><a href="https://i.stack.imgur.com/jd4b8.png" rel="nofollow"><img src="https://i.stack.imgur.com/jd4b8.png" alt="Fixed Fit Center Wallpaper"></a></p>