For an introduction to MapKit, see Ray Wenderlich's tutorial post, Introduction to MapKit on iOS. It's been a while since I did a mapkit tutorial and I (RT @rwenderlich: Nice tutorial by @shawng about adding polygon map overlays with MapKit: http://bit.ly/e379Dx)
iOS and Mac OS X application development, interface design, and interaction design blog with code snippets, walk-throughs, tips and tricks on building awesome stuff by Jake Marsh. (RT @deallocatedobjs: Make Your iOS Development Life Easier With SSToolkit http://bit.ly/g8Lj4f)
A graphics card can render 3D graphics hundreds of times faster than a CPU and graphics cards are used to accelerate compositing of windows on the desktop for a many-fold performance increase.
Despite the advantages of graphics cards in these areas, 2D geometry on the Mac is normally generated by the CPU in main memory. You can opt to have your program drawn on the graphics card instead but this option is off by default. This 2D on the graphics card drawing is named QuartzGL.
QuartzGL works by generating an an OpenGL ARB_fragment_program (pixel buffer drawing commands) and performing on the graphics card what would ordinarily be performed on the CPU.
The operating system that powers Apple’s iPhone and iPad devices, iOS, has proved incredibly popular with developers. A large part of this is almost certainly due to the opportunity that the App Store gives developers to make money, but the great development tools that Apple provide, in the form of XCode and Interface Builder, and also the Objective-C programming language, which iOS developers are required to use, certainly play their part.
cocos2d for iPhone Xcode 4 templates can be downloaded from here: cocos2d-1.0.0-beta_templates.tar.gz IMPORTANT: As you might know, Xcode 4 has a new (Nice ;) RT @cocos2d: cocos2d + box2d + chipmunk Xcode 4 templates: http://bit.ly/fEgsUq)
If your clients are not yet asking you to design transitions, they will likely do that on your next project. Transitions are hot, and not just because they entertain the eye. In confined mobile computing interfaces, on tablet devices or in complex virtual environments, transitions are an authentic, minimalist way of enabling way-finding, displaying system state and exposing crucial functionality – in short, they are key in creating a superior user experience.
Firstly, go into Help | Documentation and API Reference, if you click on the eye button on the left-hand side of the documentation window, do you see either the iOS 4.2 Library and/or the iOS 4.3 Library?
If you don't, go into XCode | Preferences, under the Documentation tab, see if you have GET buttons next to the iOS Libraries. If you do, click them and they will download.
Hey iCoders! Today we are going to make a fun project that takes advantage of UIGestureRecognizers which were introduced in iOS 3.0, way back when it was called iPhone OS. UIGestureRecognizer is an abstract class that several concrete classes extend Eg. UITapGestureRecognizer, UIPinchGestureRecognizer. Today we are going to be building a simple photo board application. You will be able to add photos from your board, move, rotate and zoom them in and out around the board. We will also build in some simple physics to give a sense of the photos being thrown around the board. Here is a short video of what our final product will look like.
First of all, kudos to Apple for updating the guidelines. The paragraphs you should look at for this discussion are 11.12 – 11.14. Based on my reading (and keep in mind that I’m an iOS developer, not a lawyer) these are your options:
1. Use IAP only for selling content
2. Use a combination of IAP and your own ecommerce
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