iOS8中想要一次性設(shè)置 status 隱藏, 需要在 info.plist 文件中加入一個(gè)
View controller-based status bar appearance
并設(shè)置為 NO, 這是告訴系統(tǒng)status bar不依賴于UIViewController. 這樣就可以通過
application.statusBarHidden = YES;
View controller-based status bar appearance
application.statusBarHidden = YES;