Mobile Developer Tips » Rodney Aiglstorfer

Using NSScanner to convert Hex to RGB Color

Rodney Aiglstorfer — Sat, 28 Feb 2009 18:31:59 +0000

Using NSScanner to convert Hex to RGB Color is protected by Copyright © MobileDeveloperTips.com 2008-2012 • All Rights Reserved I’ve found that defining a custom UIColor using RGB values is a little counter intuitive compared to the more common hexadecimal notation used in CSS. This is particularly true if you want to define a color [...] Related posts:

Launching Your Own Application via a Custom URL Scheme

Rodney Aiglstorfer — Mon, 15 Dec 2008 02:40:21 +0000

Launching Your Own Application via a Custom URL Scheme is protected by Copyright © MobileDeveloperTips.com 2008-2012 • All Rights Reserved One of the coolest features of the iPhone SDK is an application’s ability to “bind” itself to a custom URL scheme and for that scheme to be used to launch itself from either a browser [...] Related posts:

Launching Other Apps within an iPhone Application (Part 2)

Rodney Aiglstorfer — Mon, 15 Dec 2008 00:06:03 +0000

Launching Other Apps within an iPhone Application (Part 2) is protected by Copyright © MobileDeveloperTips.com 2008-2012 • All Rights Reserved To continue on the types of URL Schemes that are supported by the iPhone (see Part 1); today I will show you how to: Launch YouTube “Deep Link” to content in iTunes YouTube Links The [...] Related posts:

How to “fix” Subversion in XCode 3

Rodney Aiglstorfer — Wed, 10 Dec 2008 18:58:37 +0000

How to “fix” Subversion in XCode 3 is protected by Copyright © MobileDeveloperTips.com 2008-2012 • All Rights Reserved If you don’t take the necessary steps to prepare for subversion, you will run into problems using it in XCode. This is because XCode produces files that “confuse” Subversion because it either thinks they are text files [...] Related posts:

How to Mask an Image

Rodney Aiglstorfer — Tue, 09 Dec 2008 21:32:46 +0000

How to Mask an Image is protected by Copyright © MobileDeveloperTips.com 2008-2012 • All Rights Reserved Masking an image enables a developer to create images with irregular shapes dynamically. Masking is often used to create a user interface that is more compelling and less boring. Take for example the following example … Creating the mask [...]

“Default.png” the secret of the load screen …

Rodney Aiglstorfer — Sat, 22 Nov 2008 04:09:47 +0000

“Default.png” the secret of the load screen … is protected by Copyright © MobileDeveloperTips.com 2008-2012 • All Rights Reserved Ever wondered how all of the applications on your iPhone seem to show a loading screen or “boilerplate” as soon as the icon is touched and wondered how they get the image to appear quickly? Well [...]

How to “unfreeze” your iPhone Application

Rodney Aiglstorfer — Mon, 03 Nov 2008 04:32:25 +0000

Have you ever found yourself stumped because your application locks up but doesn't seem to crash or in any other way indicate that there is an error? If you have, then you are likely the victim of a common problem that can occur when you attempt to make certain changes to the UI outside of the main thread. Put more technically ... you are doing something that is not "Thread Safe". Related posts:

How to Prevent iPhone from Sleeping

Rodney Aiglstorfer — Wed, 29 Oct 2008 04:43:07 +0000

How to Prevent iPhone from Sleeping is protected by Copyright © MobileDeveloperTips.com 2008-2012 • All Rights Reserved The automatic sleep timer is one of the ways the iPhone saves power. If the screen isn’t touched for a certain amount of time, it dims the screen and eventually turns it off. Although you should leave the [...]

How to Get Width/Size/Length of UIString in a Specific Font

Rodney Aiglstorfer — Wed, 29 Oct 2008 04:27:57 +0000

How to Get Width/Size/Length of UIString in a Specific Font is protected by Copyright © MobileDeveloperTips.com 2008-2012 • All Rights Reserved If you’ve ever been frustrated trying to find a way to compute the height of a string that wraps you will know my pain. Recently, I discovered that UIKit has made some addition to [...]

Launching Other Apps within an iPhone Application

Rodney Aiglstorfer — Mon, 27 Oct 2008 05:09:18 +0000

Launching Other Apps within an iPhone Application is protected by Copyright © MobileDeveloperTips.com 2008-2012 • All Rights Reserved In an earlier post I talked about how to launch the browser from within an iPhone application using the UIApplication:openURL: method. It is also possible to use this same technique to launch other applications on the iPhone [...] Related posts:

Launching the Browser from within an iPhone application