Tutorial: How To Use The iOS Keychain To Store Names And Passwords
If you have been using the Mac OS for any amount of time then you are likely aware of Apple’s password management system known as the Keychain. iOS devices also have a keychain system for storing user data securely.
If you need to store username/password data for a web service securely within your apps then you will likely want to use the iOS keychain service. I’ve found an excellent guide explaining the basics of reading and writing to the keychain. Also included is a sample project demonstrating keychain usage (you will need to run on an actual device to test real saving/loading to the keychain).
The Best Resources In iOS Development July 12th 2010 (For Week 07/03-07/09)
The number of resources being shared for iOS developers has grown dramatically. I created this site to feature my own tutorials and tips along with those created by other iPhone programmers.
It seems that with the introduction of the iPad and iPhone 4 there is an explosion in the number of resources and blog posts for iOS development, and it certainly appears that the popularity of the iOS SDK has hit a new peak.
Core Animation: Simplified Animation Techniques – Book Review
Core Animation is a topic that I’ve brought up a few times showing some code snippets for simple animation effects, and talking about how it could be used in simple games. Unfortunately the amount of material available covering Core Animation has been somewhat lacking, and nothing especially specifically covering iPhone OS 3. Fortunately Core Animation: Simplified Animation Techniques For Mac And iPhone Development was released in Late 2009 that covers this topic in more depth.
iPhone App Review Sites – Huge Traffic Ranked List
Please go to the latest edition of the iOS App Review Sites listing for the most recent version of this list.
Hi, welcome to another update to my listing of app review sites. These sites should allow for free links to your apps in one form or another and accept submissions. If any now force you to pay to get your app listed please post in the comments below, and they will be promptly removed. If you have an iPhone app review site that you would like added to the list that is actively updated, is not just purely automated, and accepts free submissions please post about it in the comments below.
Core Data Tutorial – NSFetchedResultsController
Core Data is an extremely hot topic, and one of the key difficulties people seem to be having is integrating Core Data with a UITableView. This is where the NSFetchedResultsController comes in.
Marcus Zarra of Cocoa is My Girlfriend and author of the Pragmatic Programmers Core Data book has written an excellent tutorial on Core Data in the January 2010 Issue of Pragpub magazine (PDF link). The tutorial begins on page 24.