Welcome to the first Mobiletuts+ Workshop, a continuation of our Q&A series of video posts. In response to a user request over Twitter, this workshop will demonstrate how to animate a series of images and create simple animations with the iOS SDK. Watch this video and send in your own quick tip or tutorial requests for our next workshop session!
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In today’s tutorial, you will learn about Categories and how to use them to extend the functionality of Cocoa-Touch classes. This is our final installment in the Learn Objective-C series, so you will also be provided with a quick recap on what we’ve covered so far and then look at what you can do to further your skills as an Objective-C or iPhone application developer.
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This tutorial will teach you how to implement a UINavigationController object in your projects. By using this class, you will see how easy it is to provide your users with an intuitive way to navigate multiple screens of content. Enough talk, let’s jump in!
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This tutorial will show you how to quickly integrate the Twitter API with the iPhone SDK using Twitter-OAuth-iPhone, a plug-and-play Twitter library for the iPhone composed of multiple open-source projects combined and synthesized for ease of implementation by Ben Gottlieb.
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With this iOS SDK code snippet, you will learn how to cause the iPhone to vibrate with the AudioToolbox framework and a single line of code. You will also learn additional details about iPhone vibration not explained in the code snippet itself, such as how to generate multiple vibrations at once. The source code referenced in this screencast was written by KevinBomberry and posted to Snipplr, an Envato site dedicated to saving and sharing code.
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Welcome to the second part of our series on using the UITableView class! In this tutorial, we will cover how to add details to a UITableViewCell class, more UITableViewDelegate methods, and lazy loading of table view rows. We will also customize the appearance of the table view using cell.textLabel.text, cell.imageView.image, cell.accessoryType, cell.detailTextLabel.text, and custom section header/footer text. These enhancements will make our UITableView class more aesthetically appealing while still sticking to the iPhone Human Interface Guidelines required by Apple.
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Welcome to part five of this series on Objective-C. Today we’re going to look at memory management, an element of Objective-C (and many other languages) that tends to trip up newer programmers. Most scripting languages (such as PHP) take care of memory managaement automatically, but Objective-C requires that we are careful with our use of memory and manually create and release space for our objects.
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Welcome to the first in a two-part series on using the UITableView class with the iPhone SDK! In this tutorial, we will cover the fundamentals of the UITableView class and the UITableViewDelegate and UITableViewDataSource protocols. By the end of this tutorial, you will understand the basics of how these components fit together, and you will be on your way to creating your own table view based applications!
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After reading First steps with Core Data, we find ourselves enlightened in the way Core Data works and how it can help us develop data rich applications. However, the surface was only just scratched, and in some applications you might be left wondering how to implement a certain piece of functionality.
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With the iPad and the new iPhone 4 gaining popularity, it seems that iOS devices are quickly heading towards higher resolution displays. Higher resolution screens obviously make for a better user experience, but in order to take advantage of this, developers need to update their applications. This article will explain what all the fuss is about, and how to make your applications look good on higher resolutions by demonstrating two techniques for graphics optimizations.
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