Why doesn't bar button change back to blue? [duplicate]
问题 This question already has answers here : iOS UINavigationBar button remains faded after segue back (4 answers) Closed last year . I have a '+' button in my main page of my app. It is a UIBarButtonItem . I don't do anything with it in code, only connect it to another view controller in storyboard with segue. The button starts out with its normal blue color. After I dismiss the view controller that was segued to, the bar button item appears gray for some reason. Does anyone know why? Like I