douglashill

// 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.

douglashill

// 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.

chriseidhof

// Run any SwiftUI view as a Mac app.

import Cocoa
import SwiftUI

NSApplication.shared.run {
    VStack {
        Text("Hello, World")
        	.padding()
            .background(Capsule().fill(Color.blue))

jordansinger

import SwiftUI
import PlaygroundSupport

struct Desktop: View {
    var body: some View {
        ZStack {
//              Image(uiImage: #imageLiteral(resourceName: "IMG_6281.JPG"))
            Color(UIColor.systemBlue)
            macOS()
        }

nicklockwood

// This gist demonstrates how you can implement versioning for a Codable struct to support loading
// old serialized data after changing the structure. Notable features of this solution:
//
// * No need to make new properties optional, or to perform post-processing on the struct after
//   loading in ordeer to populate missing values
// * No need to change the call site - from the outside this struct behaves just the same
//   as if we had implemented codable directly in the normal way.
// * Versioning can be applied individually to parents or leaves in a larger tree of
//   structs without affecting the other elements
// * This approach will work even if the original struct was not designed with versioning in mind

IanKeen

extension View {
    func relative(width: CGFloat? = nil, height: CGFloat? = nil, alignment: Alignment = .center) -> some View {
        Color.clear
            .frame(maxWidth: width.map { _ in .infinity }, maxHeight: height.map { _ in .infinity })
            .overlay(GeometryReader { proxy in
                ZStack {
                    self.frame(
                        width: width.map { proxy.size.width * $0 },
                        height: height.map { proxy.size.height * $0 }
                    )

IanKeen

import Foundation
import SwiftUI

extension EnvironmentValues {
    public func value<T>(_: T.Type = T.self, forKey key: String) -> T? {
        guard let value = first(where: { name($0, equals: key) }) else {
            print("No EnvironmentValue with key '\(key)' found.")
            return nil
        }

PimCoumans

import UIKit

protocol StepAnimatable {
    
    /// Start a sequence where you add each step in the `addSteps` closure. Use the provided `AnimationSequence` object
    /// to add each step which should either be an actual animation or a delay.
    /// The `completion` closure is executed when the last animation has finished.
    /// - Parameters:
    ///   - addSteps: Closure used to add steps to the provided `AnimationSequence` object
    ///   - completion: Executed when the last animation has finished.

eliyap

struct ContentView: View {
    @State var pictureExpanded = false
    
    var body: some View {
        VStack(alignment: .leading, spacing: 0) {
            Text("Once upon a time there was a turtle named George who made friends with a giraffe at the local water park and then they went on lots of adventures together.")
            
            Button {
                withAnimation {
                    pictureExpanded.toggle()

joshdholtz

import SwiftUI
import RevenueCat

struct Constants {
    static let apiKey = "<your_api_key>" // Will look like: appl_bunchofotherstuffhere
    static let entitlementName = "<your_entitlement_name>" // I use something like "pro"
}

@main
struct ATinySampleApp: App {