Merge pull request #38 from heyongjian/ios-style

Merge pull request #120 from lwanghaol/ios-style
modfiy bug issue-18
modfiy bug issue-24
wanghao:fix bug:issue-16-17,when change the widget size and get widget from drawer
Merge pull request #121 from lwanghaol/ios-style

wanghao:fix bug issue-18,only paly the animation on the current page