iPhone Development 101

Code Tips

User Interface

Sizes of iPhone UI Elements
Default (Launch) Image Sizes for iPhone & iPad
View Frames and Bounds
The Status Bar - hiding; setting the color
UIAlertView - pop-up alert messages
UINavigationController & UINavigationBar
UITableView
UIImage - displaying images
UIView - animating views

Distribution

Checklist for submitting an app to the app store
App Store Categories
Build your app for distribution
What to do when your app gets approved
Tracking App Usage and Sales

Marketing

Setting up a web page for your app
Designing an iPhone-friendly Website
Promoting Your App

Objective-C

Protocols
Singletons
Strings
Custom URL Schemes
Saving Data

Cocoa & iOS

Notifications
Multitasking

Xcode

Xcode 4 Tips and Tricks
Renaming & Refactoring
Storyboards

Dev Tools & Design

App Design Templates
Buttons & Icons
Graphics Apps
Retina Images
Tools for Creating App Mockups
Open Source iOS Libraries

Links

Apple:

Apple's iPhone Dev Center is the place to go to become an iPhone developer.
Apple's iPhone Developer Forums are available to registered iPhone developers.

Other Forums:

MacRumors iPhone Programming Forum
iPhone Dev SDK Forum
Stack Overflow is a q&a site for developers. Chances are good your question has already been answered here - and if not, you can post a question and get an answer fast.

Blogs:

Ray Wenderlich has lots of great tutorials for iOS development.
ManiacDev.com posts regular iOS Development tutorials and programming tips.
iPhone Development Blog by Jeff LaMarche, author of the Beginning iPhone Development book.
Cocoa with Love - Matt Gallagher's Cocoa/iPhone programming blog, with example projects.
Theocacao - Scott Stevenson's Cocoa blog.
iPhone Developer Tips by John Muchow - more useful code snippets.
NSBlog by Mike Ash. His Friday Q&A postings cover some more technical C and Objective-C topics.

Etc.

Conferences for iPhone Developers

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