Jay Versluis

Facebook, Twitter & Co. change their brandings every now and again, and every time I need them for a project I keep scrambling to find the official links. Well no more – here’s a list of them all: Twitter: https://about.twitter.com/press/brand-assets Facebook: https://www.facebookbrand.com LinkedIn: http://developer.linkedin.com/documents/branding-guidelines Apple and App Store: https://developer.apple.com/app-store/marketing/guidelines/

Xcode includes something rather magical called the Apple Generic Versioning Tool. With this tool you can increase your Build Number automatically every time you hit “Build and Run” in Xcode. Here’s how you can add it to your project. I’m using Xcode 5.1 here with a new Single View iOS project. But this will work […]

The required Version and Build numbers you add to Xcode make it into your app’s Main Bundle. You can retrieve those values from the Main Bundle and use them in your app. Here’s how: – (void)viewDidLoad { [super viewDidLoad]; // set version and build fields from bundle NSString *version = [[[NSBundle mainBundle] infoDictionary] objectForKey:@”CFBundleShortVersionString”]; NSString […]

The cancel button is always index 0, and all other buttons in the array start at index 1 counting up. For completion, here’s how to create it: – (IBAction)showAlert:(id)sender { // create an alert view with three buttons UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@”Three Button Alert” message:@”This is an alert view with more than two buttons. […]

This is an addition to my previous article. To allow uses to restore their In-App Purchases you can expand on the previous article and include the following method in your Shop class. This needs to be public so it can be called from your main class: – (BOOL)restoreThePurchase { // verify/refresh receipt here (even though […]

This is an addition to my previous article. To allow uses to restore their In-App Purchases you can expand on the previous article and include the following method in your Shop class. This needs to be public so it can be called from your main class: – (BOOL)restoreThePurchase { // verify/refresh receipt here (even though […]

This “simple everyday” feature has caused me many headaches on many occasions. Implementing a simple unlockable feature isn’t as straightforward as it perhaps could be – and I’ll make it as simple as possible (so I won’t forget next time I need to add it to an app). In this example we’re going to have […]