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@mergesort
mergesort / AnimationDemo.swift
Last active December 18, 2023 02:34
A SwiftUI prototype animation for adding/removing players from a game
import SwiftUI
let colors = [
Color.pink,
Color.blue,
Color.green,
Color.orange,
Color.purple,
Color.black,
]
@douglashill
douglashill / updateSafeAreaForKeyboardFromNotification.swift
Last active June 25, 2023 16:11
Avoid the keyboard by leveraging additionalSafeAreaInsets.
// Avoids the keyboard in a UIKit app by leveraging additionalSafeAreaInsets.
// You can put this in the root view controller so the whole app will avoid the keyboard.
// Only tested on iOS 13.3.
// Made for https://douglashill.co/reading-app/
@objc func updateSafeAreaForKeyboardFromNotification(_ notification: Notification) {
guard let endFrameInScreenCoords = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect else {
return
}
// Please consider whether the force unwrap here is safe for your own use case.
@steventroughtonsmith
steventroughtonsmith / MRDMenuView.h
Created March 1, 2020 17:21
Simplified iOS menu view wired up to UIMenuBuilder
//
// MRDMenuView.h
// MobileRadio
//
// Created by Steven Troughton-Smith on 29/02/2020.
// Copyright © 2020 High Caffeine Content. All rights reserved.
//
#import <UIKit/UIKit.h>
@propertyWrapper
public struct AnyProxy<EnclosingSelf, Value> {
private let keyPath: ReferenceWritableKeyPath<EnclosingSelf, Value>
public init(_ keyPath: ReferenceWritableKeyPath<EnclosingSelf, Value>) {
self.keyPath = keyPath
}
@available(*, unavailable, message: "The wrapped value must be accessed from the enclosing instance property.")
public var wrappedValue: Value {
//: ## Demo
struct User: CustomStringConvertible {
let name: String
let age: Int
var description: String { "\(name) (\(age))" }
}
let users = [
User(name: "Bob", age: 22),
@AliSoftware
AliSoftware / Demo.swift
Last active October 31, 2023 12:25
NestableCodingKey: Nice way to define nested coding keys for properties
struct Contact: Decodable, CustomStringConvertible {
var id: String
@NestedKey
var firstname: String
@NestedKey
var lastname: String
@NestedKey
var address: String
enum CodingKeys: String, NestableCodingKey {
@mdiep
mdiep / diff-values.swift
Created February 4, 2020 13:02
Diff values with Mirror and AnyHashable
import Foundation
// Diff values for better test assertions.
//
// Enums and collections left as an exercise for the reader.
// A difference between two values
struct Difference: CustomStringConvertible {
let path: String
let actual: String
@vinczebalazs
vinczebalazs / SheetModalPresentationController.swift
Last active October 20, 2025 09:05
A presentation controller to use for presenting a view controller modally, which can be dismissed by a pull down gesture. The presented view controller's height is also adjustable.
import UIKit
extension UIView {
var allSubviews: [UIView] {
subviews + subviews.flatMap { $0.allSubviews }
}
func firstSubview<T: UIView>(of type: T.Type) -> T? {
allSubviews.first { $0 is T } as? T
@douglashill
douglashill / KeyboardScrollView.swift
Last active May 6, 2021 00:47
A UIScrollView subclass that allows scrolling using a hardware keyboard like NSScrollView. Supports arrow keys, option + arrow keys, command + arrow keys, space bar, page up, page down, home and end.
// Douglas Hill, November 2019
// Find the latest version of this file at https://github.com/douglashill/KeyboardKit
import UIKit
/// A scroll view that allows scrolling using a hardware keyboard like `NSScrollView`.
/// Supports arrow keys, option + arrow keys, command + arrow keys, space bar, page up, page down, home and end.
/// Limitations:
/// - Paging scroll views (isPagingEnabled = true) are not supported yet.
/// - The scroll view must become its own delegate so setting the delegate is not supported yet.
// Created by Sean Heber (@BigZaphod) on 10/12/19.
// License: BSD
import Foundation
//==---------------------------------------------------------
/// This implementation requires the ability to initialize an
/// instance of a type before it can decode it. This is to support
/// reference types automatically so that each instance is
/// only stored once in the archive. Decoding a reference