peantunes

struct RecursivelyGlowInTheDarkViewModifier: ViewModifier {
    let colors: [Color]
    func body(content: Content) -> some View {
        var modifiedColors = colors // First create a local variable
        let nextColor: Color?
        if !modifiedColors.isEmpty { // if it is not empty, remove the first element to use it
            nextColor = modifiedColors.remove(at: 0)
        } else { // or set as nil
            nextColor = nil
        }

peantunes

struct GlowInTheDarkViewModifier: ViewModifier {
    let active: Bool
    @ViewBuilder func body(content: Content) -> some View {
        if active {
            content
                .shadow(color: .yellow, radius: 5)
                .shadow(color: .white, radius: 5)
                .shadow(color: .green, radius: 5)
                .shadow(color: .blue, radius: 5)
                .shadow(color: .green, radius: 5)

atomicbird

At WWDC 2019 Apple released some videos directly online, with no corresponding live session. This is a list of those videos with links to the video pages.

Some sessions were presented during WWDC but then split into multiple videos when posted online. This list includes the online versions, since they don't appear in the WWDC schedule. For example WWDC included session 711, "Introducing Combine and Advances in Foundation". This was split into two online videos-- 722, "Introducing Combine", and 723, "Advances in Foundation". Both 722 and 723 are included here.

• 244 Visual Design and Accessibility https://developer.apple.com/videos/play/wwdc2019/244
• 245 Introducing the Indoor Maps Program https://developer.apple.com/videos/play/wwdc2019/245
• 246 Window Management in Your Multitasking App https://developer.apple.com/videos/play/wwdc2019/246
• 247 What’s New in ClassKit https://developer.apple.com/videos/play/wwdc2019/247
• 248 Creating an Accessible Reading Experience https://developer.apple.com/

timonus

- (UIImage *)dynamicImage
{
    UITraitCollection *const baseTraitCollection = /* an existing trait collection */;
    UITraitCollection *const lightTraitCollection = [UITraitCollection traitCollectionWithTraitsFromCollections:@[baseTraitCollection, [UITraitCollection traitCollectionWithUserInterfaceStyle:UIUserInterfaceStyleLight]]];
    UITraitCollection *const purelyDarkTraitCollection = [UITraitCollection traitCollectionWithUserInterfaceStyle:UIUserInterfaceStyleDark];
    UITraitCollection *const darkTraitCollection = [UITraitCollection traitCollectionWithTraitsFromCollections:@[baseTraitCollection, purelyDarkTraitCollection]];
    
    __block UIImage *lightImage;
    [lightTraitCollection performAsCurrentTraitCollection:^{
        lightImage = /* draw image */;

kostapappas

class MyCustomView: UIView {
    
    private var didSetupConstraints = false

    //In Swift initializers are not inherited for subclasses by default
    override init(frame: CGRect) {
        super.init(frame: frame)
    }
    
    // Deserialize your object here

shaps80

//
//  UserDefaults.swift
//  
//  Created by Shaps Benkau on 24/05/2018.
//  Copyright © 2018 152percent Ltd. All rights reserved.
//

import Foundation

#if os(iOS)

maxchuquimia

#!/bin/bash

CONFIG_PASSWORD="BE5D2905-0625-4EBF-BCA2-7F6F5D138425"
REQUIRED_CONFIG_FILE_PATH="${SRCROOT}/YourProject/App/Config/Configurations/Config-${CONFIGURATION}.plist"
CONFIG_OUTPUT_PATH="${SRCROOT}/YourProject/App/Config/Configurations/Config.json"
CONFIG_EXTENSION_OUTPUT_PATH="${SRCROOT}/YourProject/App/Config/Configurations/Config+Extension.swift"

set -e

if [ -z "${CONFIGURATION}" ]

miguelfermin

//
//  ViewController.swift
//  PageViewController
//
//  Created by Miguel Fermin on 5/8/17.
//  Copyright © 2017 MAF Software LLC. All rights reserved.
//

import UIKit

cotkjaer

extension CGRect
{
    /** Creates a rectangle with the given center and dimensions
    - parameter center: The center of the new rectangle
    - parameter size: The dimensions of the new rectangle
     */
    init(center: CGPoint, size: CGSize)
    {
        self.init(x: center.x - size.width / 2, y: center.y - size.height / 2, width: size.width, height: size.height)

markd2

import CoreGraphics

private typealias CGPathDumpUtility = CGPath
extension CGPathDumpUtility {

    func dump() {
        self.apply(info: nil) { info, unsafeElement in
            let element = unsafeElement.pointee
            
            switch element.type {