Merge pull request #4 from heyongjian/master

huangming:merge the main branch to native branch.
Merge pull request #5 from heyongjian/master

huangming:merge the main branch to native branch.
Merge pull request #6 from heyongjian/master

huangming:merge the main branch to native branch.
Merge pull request #7 from heyongjian/master

huangming:merge the main branch to native branch.
Merge pull request #8 from heyongjian/master

huangming:merge the main branch to native branch.
Merge pull request #9 from heyongjian/master

huangming:merge the main branch to native branch.
huangming: add the desktop appearance function for joy launcher.
Merge pull request #9 from whuthm/master

huangming: 1,add the desktop appearance function for joy launcher.2,aslo add the icon background customize