xcode 버젼 스위칭

현재 xcode 버젼 보기

xcode-select --print-path

스위칭하기

sudo xcode-select --switch /Applications/Xcode9.app/Contents/Developer

Fork 을 Original repo 와 동기화 방법

명령어 :

git pull UrlOfOriginalRepo YourCloneRepo


example)

AD01224046:~ user$ git pull https://git-dev.linecorp.com/buffett/client-ios.git develop

클래스이름 가져오기

let typeFromClass = String(describing: MyView.self)

        let myView = UINib(nibName: typeFromClass, bundle: nil).instantiate(withOwner: nil, options: nil)[0] as! UIView

        let typeFromInstance = String(describing: type(of: myView))

        

        print(typeFromClass) // "MyView"

        print(typeFromInstance) // "MyView"

MyView

MyView

생성자에 파라미터 전송하기

2. instantiate from class with parameters

//  MyView

class MyView: UIView {

    var color: UIColor

    

    required init(frame: CGRect, color: UIColor) {

        self.color = color

        super.init(frame: frame)

        

        // do anything after instantiated

        self.backgroundColor = self.color

    }

    

    required init?(coder aDecoder: NSCoder) { // never called

        fatalError("init(coder:) has not been implemented")

    }

    

}

//  ViewController.swift

override func viewDidLoad() {

        ...

        let myView = MyView(frame: CGRect(x: 0, y: 0, width: 100, height: 200), color: UIColor.cyan)

        ...

    }