iosappdeveloper’s gists

iosappdeveloper / UIControl+EventPublisher.swift

Created January 1, 2021 22:01

Supports handling of events on a UIControl using Combine framework

	extension UIControl {
	struct EventPublisher: Publisher {
	typealias Output = Void
	typealias Failure = Never

	fileprivate var control: UIControl
	fileprivate var event: Event

	func receive<S: Subscriber>(subscriber: S) where S.Input == Output, S.Failure == Failure {
	let subscription = EventSubscription<S>()

iosappdeveloper / WKWebViewEventListener.swift

Last active November 17, 2023 15:56

Add event listener from iOS code and then get callback in native code

	func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
	print("\(#function): \(message)")
	}

	func setupSubViews() {
	let configurations = WKWebViewConfiguration()
	let controller = WKUserContentController()
	let myEventScriptString =
	"""
	var elements = document.getElementsByClassName('button');

iosappdeveloper / index1.html

Last active July 11, 2018 21:02

	<!DOCTYPE html>
	<html>
	<head>
	<link rel="stylesheet" type="text/css" href="button.css">
	<style>
	.centered {
	padding: 15px;
	text-align: center;
	}
	</style>

iosappdeveloper / ViewController.m

Created September 17, 2015 13:23

UINavigationController "Back" button - custom handling

	// Navigation BACK Button - custom
	- (void)viewDidLoad {
	[super viewDidLoad];

	UIBarButtonItem *backButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Backk" style:(UIBarButtonItemStylePlain) target:self action:@selector(back:)];
	self.navigationItem.backBarButtonItem = backButtonItem;
	self.navigationItem.hidesBackButton = NO;
	}

	- (void)back:(id)button {

iosappdeveloper / gist:f7beaf293ceb6fbc70e6

Created September 29, 2014 00:20

UIView border layer color with shadow animation


	CALayer *layer = self.downloadContainerView.layer;
	layer.shadowOffset = CGSizeMake(2, 2);
	layer.shadowColor = [UIColor blackColor].CGColor;
	layer.shadowRadius = 4.0f;
	layer.shadowPath = [[UIBezierPath bezierPathWithRect:layer.bounds] CGPath];

	CABasicAnimation *color = [CABasicAnimation animationWithKeyPath:@"borderColor"];
	color.fromValue = (id)[UIColor redColor].CGColor;
	color.toValue = (id)[UIColor lightGrayColor].CGColor;

iosappdeveloper / gist:c040224c4861aef1641d

Created August 14, 2014 16:01

Dynamic table view cell height using auto layout

	// $$$ Not self tested yet but accepted answer at http://stackoverflow.com/questions/25306299/how-to-make-autosizeheight-uitableviewcell

	// For iOS 6 and 7. After iOS 8, it's claimed to be automatic.
	@property (nonatomic, strong) CustomCell *layoutTableViewCell;


	UINib *cellNib = [UINib nibWithNibName:CustomCellNibName bundle:nil];
	self.layoutTableViewCell = [[cellNib instantiateWithOwner:nil options:nil] objectAtIndex:0];