cafielo

enum Env: String {
    case debug
    case testFlight
    case appStore
}

struct App {
    struct Folders {
        static let documents: NSString = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] as NSString
        static let temporary: NSString = NSTemporaryDirectory() as NSString

cafielo

  let alertController = UIAlertController(title: nil, message: "Alert message.", preferredStyle: .actionSheet)

  let defaultAction = UIAlertAction(title: "Default", style: .default, handler: { (alert: UIAlertAction!) -> Void in
    //  Do some action here.
  })

  let deleteAction = UIAlertAction(title: "Delete", style: .destructive, handler: { (alert: UIAlertAction!) -> Void in
    //  Do some destructive action here.
  })

cafielo

  let alertController = UIAlertController(title: nil, message: "Alert message.", preferredStyle: .actionSheet)

  let defaultAction = UIAlertAction(title: "Default", style: .default, handler: { (alert: UIAlertAction!) -> Void in
    //  Do some action here.
  })

  let deleteAction = UIAlertAction(title: "Delete", style: .destructive, handler: { (alert: UIAlertAction!) -> Void in
    //  Do some destructive action here.
  })

cafielo

let redBox = UIView(frame: CGRect(x: 100, y: 100, width: 128, height: 128))
redBox.backgroundColor = .red
redBox.layer.cornerRadius = 25

cafielo

extension UIView {
   func roundCorners(corners: UIRectCorner, radius: CGFloat) {
        let path = UIBezierPath(roundedRect: bounds, byRoundingCorners: corners, cornerRadii: CGSize(width: radius, height: radius))
        let mask = CAShapeLayer()
        mask.path = path.cgPath
        layer.mask = mask
    }
}

cafielo

// 1 import 
import CoreMotion

// 2 create property that can store CMMotionManager
var motionManager: CMMotionManager! 

// 3 initialize it
motionManager = CMMotionManager()

// 4 check accelermoter is available

cafielo

import SwiftUI

struct ContentView: View {
    var body: some View {
        VStack {
            Text("Hello, world!")
            Image(systemName: "swift")
        }
    }
}

cafielo

// MARK: var, let 이해
let numOfEyes = 2
var fisrtName = "John"


// MARK: Array, Dictionary 이해
let scores: [Int] = [56, 92, 100, 80]
let firstScore = scores[0]

cafielo

extension UIDevice {
    var hasNotch: Bool {
        let bottom = UIApplication.shared.keyWindow?.safeAreaInsets.bottom ?? 0
        return bottom > 0
    }
}


if UIDevice.current.hasNotch {
    //... consider notch 

cafielo

extension String {
    func trimTrailingWhitespaces() -> String {
        return self.replacingOccurrences(of: "\\s+$", with: "", options: .regularExpression)
    }
}

let string = "there is string with trailing whitespace     "
let trimmed = string.trimTrailingWhitespaces()