auramagi’s gists

auramagi / CoreTextShape.swift

Last active June 27, 2022 11:16

Use Core Text in SwiftUI

auramagi / LayoutAdaptor.swift

Created June 11, 2022 12:43

Drive UIView frame layout with SwiftUI Layout protocol

	// The main layout logic

	import SwiftUI

	final class LayoutAdaptor: UIView {
	var layout: (any Layout)? {
	didSet { setNeedsLayout() }
	}

	override func layoutSubviews() {

auramagi / ImageRendererModifier.swift

Created June 7, 2022 08:08

Using SwiftUI ImageRenderer in view modifier-like view extension

	import SwiftUI

	struct ContentView: View {
	var body: some View {
	Text("Hello WWDC22")
	.rendered(scale: 2)
	}
	}

	struct ContentView_Previews: PreviewProvider {

auramagi / PTRBug.swift

Created January 12, 2022 19:57

UIRefreshControl stuck when changing tabs in UITabBarController

	import UIKit

	@main
	class AppDelegate: UIResponder, UIApplicationDelegate {
	var window: UIWindow?

	func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

	func makeRefreshControl() -> UIRefreshControl {
	let refresh = UIRefreshControl()

auramagi / BracketScanner.swift

Created November 29, 2021 03:27

Parse Swift type into a tree where the child nodes are the generic types. Useful for making trees from SwiftUI View types.

	import Foundation

	final class BracketScanner {
	let text: String

	init(text: String) {
	self.text = text.trimmingCharacters(in: CharacterSet(charactersIn: "()"))
	}

	lazy var scanner: Scanner = {

auramagi / ToDoApp.swift

Last active September 2, 2021 10:36

ForEachでBindingを渡す書き方のサンプルコード

	import SwiftUI

	@main
	struct ToDoApp: App {
	@StateObject var model: Model = .init()

	var body: some Scene {
	WindowGroup {
	ScrollView {
	VStack(alignment: .leading) {

auramagi / ConsoleOutput.txt

Last active October 3, 2024 04:07

SwiftUI _viewDebugData

	// Output of print(_viewDebugData), formatted for easier viewing

	[SwiftUI._ViewDebug.Data(
	data: [
	SwiftUI._ViewDebug.Property.value: SwiftUI._SafeAreaInsetsModifier(elements: [], nextInsets: nil),
	SwiftUI._ViewDebug.Property.displayList: (display-list
	(item #:identity 2 #:version 6
	(frame (143.66666666666666 354.0; 88.0 20.333333333333332))
	(text "Hello World" #:size (88.0, 20.333333333333332))
	)

auramagi / Cats.swift

Last active December 11, 2020 03:21

Swift cat images

	enum Cats {
	private struct CatResponse: Decodable {
	let url: URL
	}

	@discardableResult
	static func getRandomImageURL(completion: @escaping (URL?) -> Void) -> URLSessionDataTask {
	let request = URLRequest(url: URL(string: "https://api.thecatapi.com/v1/images/search")!)
	let task = URLSession.shared.dataTask(with: request) { data, _, _ in
	let catURL: URL? = {

auramagi / NoReloadDataTableViewController.swift

Last active August 25, 2020 14:34

No reloadData

	// reloadDataを使わないようにしましょう
	import UIKit
	import DiffableDataSources // https://github.com/ra1028/DiffableDataSources
	@available(iOS, introduced: 13.0)
	typealias TableViewDiffableDataSource = UITableViewDiffableDataSource

	@available(iOS, introduced: 13.0)
	typealias DiffableDataSourceSnapshot = NSDiffableDataSourceSnapshot

auramagi / PickerLabel.swift

Created February 18, 2019 16:52

Present UIPicker on a UILabel to select from a few options. Supports a placeholder value. For this example the picker selects a weekday.

Mike Apurin auramagi