fullscreen
fulllscreen2
Revert "fulllscreen2"

This reverts commit fcbb6aa8279bd9911d6c9c1dbdaadebf8472ac9e.
Revert "Revert "fulllscreen2""

This reverts commit 62ad7b845ff024386f01fe0aa2d977d6aaa86683.
Merge pull request #19 from Forward0728/master

update