January 2012
Beginner
655 pages
16h 35m
English
Content preview from Beginning iOS 5 Application Development
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CHAPTER 2 EXERCISE SOLUTIONS
Answer to Question 1
The minimum image size you should design is 57 × 57 pixels (or 114 × 114 pixels for high resolution). It is OK to design a larger image because the iPhone automatically resizes it for you. In general, try to design a larger image because doing so prepares your application for the newer devices that Apple may roll out.
Answer to Question 2
The easiest way to add a launch image is to add an image named Default.png to your Xcode project. This image must be sized 480 × 320 pixels (or 960 × 640 pixels for high resolution).
Answer to Question 3
This ensures that the image is always copied into the project folder. If not, Xcode only makes a reference to the image; it is not physically in the project folder.