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@chriseidhof
chriseidhof / ContentView.swift
Last active March 27, 2024 19:14
Variadic Views
import SwiftUI
struct MyValue: _ViewTraitKey {
static var defaultValue: Int = 0
}
extension View {
func myValue(_ value: Int) -> some View {
_trait(MyValue.self, value)
}
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)
}
@icanzilb
icanzilb / Task.sleep.swift
Created September 9, 2021 09:30
Task.sleep(seconds:)
extension Task where Success == Never, Failure == Never {
/// Suspends the current task for at least the given duration in seconds.
/// Throws if the task is cancelled while suspended.
/// - Parameter seconds: The sleep duration in seconds.
static func sleep(seconds: TimeInterval) async throws {
try await Task.sleep(nanoseconds: UInt64(seconds * 1_000_000_000))
}
}
// Bigger iPhones = any Max, any Plus, iPhone XR, iPhone 11
switch (UITraitCollection.current.horizontalSizeClass, UITraitCollection.current.verticalSizeClass) {
case (.compact, .compact):
// Smaller iPhones in landscape
case (.compact, .regular):
// iPhones in portrait
// iPads in portrait during any split screen,
@ethanhuang13
ethanhuang13 / FacebookAuth.swift
Last active March 28, 2024 08:24
FacebookAuth is for iOS app developers who need to support Facebook login but don't want to use the official SDK
//
// FacebookAuth.swift
// GitHub: ethanhuang13
// Twitter: @ethanhuang13
import AuthenticationServices
import SafariServices
/*
Updated:
@zntfdr
zntfdr / firebase-iOS-breakdown.swift
Last active July 25, 2024 08:35
Firebase iOS Version breakdown
// How to:
// 1. Open the Firebase Analytics Dashboard
// 2. Scroll to bottom, where you see the "Users by Device model" widget
// 3. Click "View device models" in that widget (this opens the "Tech details" Firebase Analytics page)
// 4. Above the table shown in the new page, click on the “Device model” drop down menu and select “OS with Version”
// 5. Make sure to select “OS with version” and not “OS Version”
// 6. On the top right corner of the page, click on the “Share this report” icon (next to the date)
// 7. Click “Download file” on the new side bar, then “Download CSV"
// 8. Open the file and select the iOS/Android breakdown raw data
// 9. Replace the sample data in this script with your data
@unnamedd
unnamedd / MacEditorTextView.swift
Last active May 26, 2024 17:49
[SwiftUI] MacEditorTextView - A simple and small NSTextView wrapped by SwiftUI.
/**
* MacEditorTextView
* Copyright (c) Thiago Holanda 2020-2021
* https://twitter.com/tholanda
*
* MIT license
*/
import Combine
import SwiftUI
@smileyborg
smileyborg / InteractiveTransitionCollectionViewDeselection.m
Last active January 15, 2023 13:03
Animate table & collection view deselection alongside interactive transition (for iOS 11 and later)
// UICollectionView Objective-C example
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
NSIndexPath *selectedIndexPath = [[self.collectionView indexPathsForSelectedItems] firstObject];
if (selectedIndexPath != nil) {
id<UIViewControllerTransitionCoordinator> coordinator = self.transitionCoordinator;
if (coordinator != nil) {
[coordinator animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> context) {
void addMainThreadCheck(Class cls, SEL selector) {
#if DEBUG
void *symbol = dlsym(RTLD_DEFAULT, "__main_thread_add_check_for_selector");
if (!symbol) {
return;
}
void (*addCheck)(Class, SEL) = (__typeof__(addCheck))symbol;
addCheck(cls, selector);
#endif
}
@stelabouras
stelabouras / loadAssetToInstagram.m
Last active March 18, 2021 22:38
Loads a Camera Roll Asset to Instagram (works for both photos & videos)
- (void)loadCameraRollAssetToInstagram:(NSURL*)assetsLibraryURL andMessage:(NSString*)message
{
NSString *escapedString = [assetsLibraryURL.absoluteString urlencodedString];
NSString *escapedCaption = [message urlencodedString];
NSURL *instagramURL = [NSURL URLWithString:[NSString stringWithFormat:@"instagram://library?AssetPath=%@&InstagramCaption=%@", escapedString, escapedCaption]];
[[UIApplication sharedApplication] openURL:instagramURL];
}