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@ethanhuang13
ethanhuang13 / VirtualKeyboard.swift
Last active June 25, 2025 08:44
MacBook Air M1 Zhuyin Keyboard written with SwiftUI ~=300 LOC, < 4hrs
//
// VirtualKeyboard.swift
// MacBook Air M1 Zhuyin Keyboard
// Written with SwiftUI ~=300 LOC, < 4hrs
// Created by Ethan Huang on 2021/1/13.
// Twitter: @ethanhuang13
import SwiftUI
struct VirtualKeyboard: View {
import kotlinx.cinterop.memScoped
import kotlinx.cinterop.allocArrayOf
import kotlinx.cinterop.addressOf
import kotlinx.cinterop.usePinned
import platform.Foundation.NSData
import platform.Foundation.create
import platform.posix.memcpy
public fun ByteArray.toData(): NSData = memScoped {
NSData.create(bytes = allocArrayOf(this@toData),
import Foundation
extension Locale {
func localizedCurrencySymbol(forCurrencyCode currencyCode: String) -> String? {
guard let languageCode = languageCode, let regionCode = regionCode else { return nil }
/*
Each currency can have a symbol ($, Β£, Β₯),
but those symbols may be shared with other currencies.
For example, in Canadian and American locales,
@timonus
timonus / programmatic-dynamic-images.m
Last active January 1, 2024 12:08
Programmatically create iOS 13 dynamic images
- (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 */;
@douglashill
douglashill / KeyboardTableView.swift
Last active March 30, 2023 22:01
A UITableView that allows navigation and selection using a hardware keyboard.
// Douglas Hill, December 2018
// Made for https://douglashill.co/reading-app/
// Find the latest version of this file at https://github.com/douglashill/KeyboardKit
import UIKit
/// A table view that allows navigation and selection using a hardware keyboard.
/// Only supports a single section.
class KeyboardTableView: UITableView {
// These properties may be set or overridden to provide discoverability titles for key commands.
@insidegui
insidegui / gist:a18124c0c573a4eb656f5c485ea7dae4
Last active February 9, 2025 18:03
Unofficial documentation for the iCloud Apple device image URL format
https://statici.icloud.com/fmipmobile/deviceImages-9.0/iPhone/iPhone9,4-2-3-0/online-infobox__3x.png
A B C D E F G
A: deviceImages version seems to determine the format of the image specifier (C, D, E, F)
B: device marketing name
C: device model identifier
D: color cover glass (front color)
1 - Black
2 - White
E: device enclosure color (back color)
@steipete
steipete / ios-xcode-device-support.sh
Last active May 11, 2025 13:30
Using iOS 15 devices with Xcode 12.5 (instead of Xcode 13)
# The trick is to link the DeviceSupport folder from the beta to the stable version.
# sudo needed if you run the Mac App Store version. Always download the dmg instead... you'll thank me later :)
# Support iOS 15 devices (Xcode 13.0) with Xcode 12.5:
sudo ln -s /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/15.0 /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport
# Then restart Xcode and reconnect your devices. You will need to do that for every beta of future iOS versions
# (A similar approach works for older versions too, just change the version number after DeviceSupport)
@steventroughtonsmith
steventroughtonsmith / gist:6788b6c340a0aa52345a
Created October 27, 2015 05:19
Run OS X Screen Saver as Wallpaper
/System/Library/Frameworks/ScreenSaver.framework/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine -background
@jarsen
jarsen / KeyboardNotifications.swift
Created July 16, 2015 17:14
keyboard notifications
func keyboardWillShow(notification: NSNotification) {
print("Showing keyboard")
guard let userInfo = notification.userInfo,
rectValue = userInfo[UIKeyboardFrameEndUserInfoKey] as? NSValue,
rawCurve = userInfo[UIKeyboardAnimationCurveUserInfoKey] as? UInt,
duration = userInfo[UIKeyboardAnimationDurationUserInfoKey] as? Double else {
return
}
let keyboardFrame = rectValue.CGRectValue()
@austinzheng
austinzheng / CustomTextInputView.swift
Last active January 20, 2022 15:14
Simple UIKeyInput example
import UIKit
/// A very simple example view that can accept keyboard input and add or delete text from an enclosed label.
class CustomTextInputView : UIControl, UIKeyInput {
var label : UILabel?
override func canBecomeFirstResponder() -> Bool {
return true
}