| extension StringProtocol { | |
| subscript(_ offset: Int) -> String.Element { | |
| if offset >= 0 { | |
| self[index(startIndex, offsetBy: offset)] | |
| } else { | |
| self[index(endIndex, offsetBy: offset)] | |
| } | |
| } | |
| import UIKit | |
| import UserNotifications | |
| final class SceneDelegate: UIResponder, UIWindowSceneDelegate { | |
| private let pushAppLaunchRule = PushAppLaunchRule() | |
| var window: UIWindow? | |
| func sceneDidBecomeActive(_ scene: UIScene) { |
| import notify | |
| import Combine | |
| enum Notify {} | |
| extension Notify { | |
| struct Status: Error { | |
| let rawValue: UInt32 | |
| init(_ rawValue: UInt32) { | |
| self.rawValue = rawValue |
| import SwiftUI | |
| /** | |
| ### Exercises for the viewer | |
| - Phase interrupt handling. | |
| - Use Swift concurrency. | |
| - Color scheme awareness. | |
| - Rework animations to be more spring-like à la what shipped in `0.90.0`. |
| import SwiftUI | |
| import Foundation | |
| struct ContentView: View { | |
| var body: some View { | |
| HStack(spacing: 4) { | |
| PizzaView(color: .blue, orientation: .left) | |
| PizzaView(color: .red, orientation: .right) | |
| } | |
| } |
| // | |
| // LayoutThatFits.swift | |
| // WWDC22Experiments | |
| // | |
| // Created by Ryan Lintott on 2022-06-08. | |
| // | |
| import SwiftUI | |
| struct LayoutThatFits: Layout { |
| func scrollViewDidScroll(_ scrollView: UIScrollView) { | |
| for (i, view) in scrollView.subviews.enumerated() { | |
| var ty = 0.0 | |
| if scrollView.contentOffset.y < 0 { | |
| // We're scrolling past the top of the scroll view. | |
| // Translate each item in the scroll view by some amount based on its index and scroll offset. | |
| ty = CGFloat(i) * abs(offsetY) / 8.0 * pow(1.12, CGFloat(i)) | |
| } | |
| view.transform = CGAffineTransform(translationX: 0, y: ty) | |
| } |
An Xcode Playground that contains examples of the various options available to you when you use the new FormatStyle protocol in iOS 15.
Read the series on my blog:
https://ampersandsoftworks.com/posts/formatstyle-deep-dive/
Download the Xcode Playground:
A collection of all of the various options and styles available to you if you'd like to format data into string on iOS 15.
See every option in detail at fuckingformatstyle.com or goshdarnformatstyle.com.
| struct ScrollViewOffsetPreferenceKey: PreferenceKey { | |
| static var defaultValue: CGPoint = .zero | |
| static func reduce(value: inout CGPoint, nextValue: () -> CGPoint) { | |
| value = nextValue() | |
| print("value = \(value)") | |
| } | |
| typealias Value = CGPoint |
