iOS5.1 + XCode4.5 device debug,the screen will ...
IfyouuseXCode4.5+DevicewithiOS5.1todebug,thescreenofdevicewillbewhiteorbecoveredbythebackground.Howtofixthisbug?Ifoundthatthisbugcausedbycallingofthemethod, "initWithFrame".Soifyoudon'tcallthismethod,