Merge pull request #118 from whuthm/ios-style

Bug: issue-22, when switch horizontal and vertical screen, launcher crash.
breakpoint download apk
Merge pull request #37 from heyongjian/ios-style

merger
Merge pull request #120 from lwanghaol/ios-style

wanghao:breakpoint download
Merge pull request #66 from heyongjian/ios-style

Ios style