Merge pull request #11 from whuthm/master

huangming:add the screen cycle function for joy launcher.
Merge pull request #7 from heyongjian/master

merger
update virtual shortcut icon when it is installed
set the default values for icon size or text size
Merge pull request #12 from lwanghaol/master

wanghao:set the default values for icon size or text size
Merge pull request #12 from heyongjian/master

huangming:merge the main branch to native branch.