Swift 代碼片斷

 

一、導航欄背景色和標題顏色

navigationController.navigationBar.barTintColor = .red //背景色
navigationController.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white] //標題顏色
self.navigationController?.navigationBar.tintColor = UIColor.white //左右按鈕文字顏色

 

二、App退出到桌面最小化

UIControl().sendAction(#selector(NSXPCConnection.suspend),
                               to: UIApplication.shared, for: nil)