ed-yee

extension Color {
    
    /// Create colour with integer RGB values
    /// - Parameters:
    ///   - colorSpace: Color space
    ///   - red: Red colour value from 0 to 255, inclusive
    ///   - green: Green colour value from 0 to 255, inclusive
    ///   - blue: Blue colour value from 0 to 255, inclusive
    ///   - opacity: Opacity from 0 to 1
    init(_ colorSpace: Color.RGBColorSpace = .sRGB,

ed-yee

//  XCode 13.4.1
//  Swift 5.6.1

import UIKit
import PlaygroundSupport

class testViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        self.view.frame = CGRect(x: 0, y: 0, width: 375, height: 812)

ed-yee

// Define text attributes and create a fancy title
let fancyTitleAttrs: [NSAttributedString.Key: Any] = [
    .font: UIFont.systemFont(ofSize: 18, weight: .bold),
    .foregroundColor: UIColor.red
]
let errorTitle = NSAttributedString(string: "Error!!", 
                                    attributes: fancyTitleAttrs)
                                    
// Create an alert controller - without title.
let alert = UIAlertController(title: "Error", 

ed-yee

//  XCode 13.4.1
//  Swift 5.6.1

import UIKit
import PlaygroundSupport

class testViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        self.view.frame = CGRect(x: 0, y: 0, width: 375, height: 812)

ed-yee

//  XCode 13.4.1
//  Swift 5.6.1

import UIKit
import PlaygroundSupport

class testViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        self.view.frame = CGRect(x: 0, y: 0, width: 375, height: 812)

ed-yee

//  XCode 13.4.1
//  Swift 5.6.1

import UIKit
import PlaygroundSupport

class testViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        self.view.frame = CGRect(x: 0, y: 0, width: 375, height: 812)

ed-yee

//  XCode 13.4.1
//  Swift 5.6.1

class testViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        self.view.frame = CGRect(x: 0, y: 0, width: 375, height: 812)
        self.view.backgroundColor = .white
    }
    

ed-yee

import UIKit

// Define text attributes
let fancyTitleAttrs: [NSAttributedString.Key: Any] = [
    .font: UIFont.systemFont(ofSize: 18, weight: .bold),
    .foregroundColor: UIColor.red
]

let errorTitle = NSAttributedString(string: "Error", attributes: fancyTitleAttrs)

ed-yee

let alert = UIAlertController(title: "Error", 
                              message: "Invalid credential", 
                              preferredStyle: .alert)

alert.addAction(UIAlertAction(title: "OK", 
                              style: .default, 
                              handler: { action in
  // Do something
}))