Common

1. Several target in one project.

• How to add a new Static Library target in current project?

2. Global variable in project - Swift.

• Class Definition.

    class MyNumber: NSNumber {
        ...
  
        class func getNumber() {
            ...
        }
    }
  

• Used in project.

    struct Global {
        static var myNumber = MyNumber()
    }
  
    class ViewController: UIViewController {
  
        override func viewDidLoad() {
            super.viewDidLoad()
            // Do any additional setup after loading the view, typically from a nib.
            Global.myNumber.getNumber()
        }
  
        override func didReceiveMemoryWarning() {
            super.didReceiveMemoryWarning()
            // Dispose of any resources that can be recreated.
        }
    }
  

3. Open "http" not "https"

How can I add NSAppTransportSecurity to my info.plist file?