tree c53e85440fc26b18dbdbbc03fd3dcd0197db3f9c
parent a064d92143622e1257d3858c256b66cfa79f73d2
author guangbing <guangbing@codeaurora.org> 1464760600 +0800
committer guangbing <guangbing@codeaurora.org> 1464945903 +0800

SnapdragonLauncher: add and remove screen for FlatLauncher

Add function for Flat-Launcher: add new screen and remove empty screen.
Description: add a new page which only contains a button after last one in overview mode,
it would add a new empty page at last one when the button was clicked,and each empty
page could be deleted as long as the it's delete button was clicked.

Change-Id: Ie23ac9565dd86018c2b700274bdc23e73b1c4037