Merge pull request #13 from heyongjian/master

huangming:merge the main branch to native branch.
Merge pull request #14 from heyongjian/master

huangming:merge the main branch to native branch.
huangming: add the hotseat and folder adaptation for joy launcher.
Merge pull request #15 from whuthm/master

huangming:add the hotseat and folder adaptation for joy launcher.