We blog on all things iOS

The problem with we are faced when using mobile devices and especially when we are developing for mobile devices is how to present everything that a user needs. Mobile devices are relatively small and they never were intended for reading word documents. Nowadays we can see that we can read and also edit word documents […]

By default, the buttons on iOS are rectangular shaped. In most situations in which a developer can be that’s enough and we can do most of the things. But sometimes, application requirements are such that we need a different approach to resolve that situation. Let’s say you need the area of the button to be […]

Reading position (gyro) data from iPhone is not something new, however, it’s rarely used. Gyro data can be used to monitor users footsteps in health applications, as game controls where tilting of your phone causes characters to do different actions and so on… Now, the unbelievable thing behind this stuff is that it can be […]

One of new features in iOS5 is Core Image. It allows you to create amazing image effects in your apps. Core Image comes with several built-in filters, in this tutorial I’ll show you how to use them. Create new project “Single View Application”, add CoreImage framework to project, add UIImageView to your view with Interface […]

Thousands of apps are being developed everyday by people just like you. Apple’s iOS, their mobile operating system found on the iPhone, iPad, and iPod Touch offers unique developer tools to get you started in creating apps that could become useful, fun, and exciting. Your first step in becoming an iOS developer is joining the iOS Developer […]

UITableView has Plain and Grouped style. When you use grouped style top cell will have upper corners rounded, middle cell don’t have any of corners rounded and bottom cell have lower corners rounded. I’ll show you how to customize UITableView grouped look, so you’ll need 3 cell images: top, middle and bottom image. You’ll also […]

Today I’ve been playing a bit Jetpack Joyride, game is really cool and I noticed one nice detail in game: as you finish game you get option to take a look at gameplay screenshot and if you like it you can save it to your photo album. This gave me an idea to write a […]

Common sense for gestures detection in iOS programming is to use UIGestureRecognizer class. Gestures you can detect are: tap, pinch, rotation, swipe, pan and long press. To define gesture recognizer you’ll have to use one of UIGestureRecognizer subclasses: UITapGestureRecognizer; UIPinchGestureRecognizer; UIRotationGestureRecognizer; UISwipeGestureRecognizer; UIPanGestureRecognizer; UILongPressGestureRecognizer. It’s possible to create dependencies between gesture recognizers and I’ll show […]

I can see that very often developers in their apps just place image on screen and they do nothing about it. With Quartz framework you can easily add some effects to UIImageView like: borders, rounded corners, shadow, etc. Images with such effects looks much better. In this tutorial I’ll show you how to create UIImageView […]

This short tutorial will show you how to programmatically create UILabel inside of UIScrollView. UILabel will contain long text and we’ll set UIScrollView content size to fit UILabel size. Create new project (view based application) and inside your main view controller find method viewDidLoad, tha’s where we going to add our code. First we need […]