[UIScreen mainScreen].applicationFrame与[UIScreen mainScreen].bounds区别:
applicationFrame会自动判断是否存在状态栏,其值为{0,0},{320,480}或 {0,20},{320,480}
bounds不会自动判断,值永远为{0,0},{320,480}
[UIScreen mainScreen].applicationFrame与[UIScreen mainScreen].bounds区别,布布扣,bubuko.com
[UIScreen mainScreen].applicationFrame与[UIScreen mainScreen].bounds区别