Archive for September, 2009
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Rotate an Image with Animation – Part 1
Editor’s Note: Part 2 of this post shows how rotate an images, buttons and other UI objects up to 360 degrees as well as rotating objects clockwise or counter-clockwise. Last week I wrote a tip to demonstrate how to move an image on screen using animation. In this post I’ll show how to rotate an [...]
Create an iPhone Icon with No Border
In this tip on how to remove the shine/gloss effect on an iPhone icon, I showed the steps to go from an icon that looks like this: to an icon that looks like this: I got a question earlier today from a reader asking: “how can I create an icon with no shine effect and [...]
iPhone JSON Flickr Tutorial – Part 3
Welcome to the third and final post on working with the iPhone SDK, JSON and the Flickr API. In I Part 1 we setup a JSON library, created a Flickr API key and wrote code to retrieve images and the titles from Flickr. In Part 2 of the series we dove into the how to [...]
Move an Image with Animation
I was recently working on an application where I needed to animate an image moving on the screen. It surprisingly easy to do accomplish this effect. Let’s me show you the method that I came up with. The moveImage method takes five parameters – the image to move, duration of the animation in seconds, the [...]
Voices That Matter – iPhone Developers Conference Giveaway: We Have a Winner!
In this post, I announced a giveaway for one free pass to the Voices That Matter iPhone Developers Conference. The team at Voices That Matter have assembled an impressive list of speakers for the event on October 17th and 18th in Boston. Here’s an opportunity to learn from some of the best, including: Bill Dudney, [...]
iPhone JSON Flickr Tutorial – Part 2
Welcome to the second tutorial in this three part series on using the iPhone SDK, JSON and Flickr. In the first tutorial we covered the basics for setting up the JSON framework within your projects, registering to get Flickr API key, and writing some code to asynchronously fetch images and their accompanying titles from Flickr. [...]
Static Code Analysis (Clang) and Xcode 3.2
With the release of Xcode 3.2 (available with Mac OX 10.6 – Snow Leopard) you can easily run a static analysis check on your code, thanks to integration of Clang. If you’ve worked with Clang prior to its integration of Xcode, you already know just how cool this is for . If you are new [...]
