iOS8-Blog

Objective-C / Swift Tutorials, Resources and Competitions for the iPhone Developer

How to Accept Multiple Enum Values in a Property or Method

Every iOS developer has probably come across a property or method in an API that accepts multiple enum values at once, separated by a vertical pipe. How does that work, and how can we do the same?

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Storing Data with NSUserDefaults

How can you store data between application launches? There are plenty of ways, but here I will show you the simplest, NSUserDefaults.

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Set a background image in your iOS Application

This is a quick iOS Development tip that will show you two different ways that you can set the background image of you application

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NSDictionary – Objective-C Class Reference

Have you had a collection of objects that you want to by name? Lets say you had an object that contains contact info for a person. If I wanted to see the contact information for somebody, I’d want to just tell something, “Hey, give me Jimmy’s contact info”, and it would get it for me. That is exactly what NSDictionary does for you. NSDictionary is way to perform easy lookups for objects stored in the dictionary, via a key of ...

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Objective-C: Validate e-mail address

This Quick iOS Development tip is a piece of code that I use regularly to validate an email address.

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Objective-C: Property Attribute Reference Guide

This tutorial is intended to be a reference guide to the property attributes found in the iOS development programming language Objective-C.

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How to create rounded avatars in your iOS Application

Rounded avatars seem to be very fashionable these days. Even Apple adopted the rounded images for contacts. If you’re wondering how to achieve this in your app here is the answer.

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