Archive for 2009
Detect Taps on UITabBarController and Determining Class Type
I’ve been working on an application which uses a UITabBarController as the primary means of navigation. One of the tabs leads one to a UIViewController that displays a UIWebview as the main user interface. The browser based navigation in the webview is based on a legacy (read WAP) website that has a great deal of [...]
Playing Sounds/Audio – AVAudioPlayer
I previously wrote about using Audio Session Services which offers a quick and easy approach for playing short sounds. However, there are a number of limitations, including no control over the volume, playing time is limited to 30 seconds and the only file types supported are AIFF, WAV and CAF. Sounds with AVAudioPlayer AVAudioPlayer offers [...]
Fade Transition – Fade Images In and Out
Although the iPhone includes a number of effects designed for transitioning between views, sometimes a simple fading effect of one image to another, within the same view, is all you need. For example, in a recent application during the application startup, I wanted the splash image to fade away, and another image of the primary [...]
UIAlertView and Landscape Mode
I bumped into a rather odd UI issue early last week – I was working on an application which runs entirely in landscape mode. However, when I displayed an alert view, it came up as follows: Setting Landscape Mode In my application, I had the following interface orientation setting inside the info.plist file:
Book Giveaway: Head First iPhone Development – Winner Announcement
Each Friday in November, O’Reilly and iPhone Developer Tips is giving away an eBook copy of O’Reilly’s Head First iPhone Development. Winner for this week This weeks winner is Woongcheol Yang, congratulations Woongcheol! Woongcheol is from South Korea and is currently a computer science major at Princeton University. Mostly interested in developing web applications, Woongcheol [...]
Does iPhone Support Camera and Recording of Video?
This is the final tip in a series of four that is based on content from the O’Reilly book Head First iPhone Development. O’Reilly and iPhone Developer Tips are collaborating to give away a free ebook (electronic copy) of Head First iPhone Development each Friday in November. You can register in this weeks drawing by [...]
Book Giveaway: Head First iPhone Development – Winner Announcement
Each Friday in November, O’Reilly and iPhone Developer Tips will giveaway an eBook copy of O’Reilly’s Head First iPhone Development. The giveaway works like this: Each Monday in November I’ll write a tip that is based on ideas and code in the book. Through out the week, you can register for the book giveaway by [...]
Cartoons to Go! iPhone Application
I thought I would pass along that an application I originally submitted in February (yes, February) has finally been approved. Cartoons to Go! is a video streaming application that does just one thing, play vintage cartoons. No Frills UI The application that is now available on the App Store has little similarity to the original [...]
Post to a Twitter Account from the iPhone
This is the third tip in a series of four that is based on content from the O’Reilly book Head First iPhone Development. This tip is from a code sample in Chapter 3 – Objective-C for the iPhone, and shows how to post to a Twitter account.
