Hide content view of NSApplication window in order to navigate to main screen
问题 Initially I have my own setup on application main window, i.e. an image view(for background) and on it I have a set of buttons. Now when user taps on the buttons, respective lesson is launched, i.e. user is being navigated to the corresponding screen, i.e. I add the view to window's content view.... [self.window.contentView addSubview:self.lessonScreen.view]; Actually I know there is an approach of taking a view(custom view) on window, keeping on adding our views to that(for navigation). Then