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iOS SDK Programming A Beginners Guide
book

iOS SDK Programming A Beginners Guide

by James Brannan, Blake Ward
January 2011
Beginner content levelBeginner
544 pages
11h 36m
English
McGraw-Hill
Content preview from iOS SDK Programming A Beginners Guide

Chapter 11Activity Progress and Alerting Users

Key Skills & Concepts

• Using a UIActivityIndicatorView to indicate processing

• Using a UIProgressView to indicate processing

• Using a UIAlertView to warn users

• Using a UIActionSheet to inform users

• Using application badges to remind users of items needing their attention

While processing, many times an application must inform users that they must wait. A poorly constructed application provides no graphical clue that the application is busy processing; a well-constructed application does provide a graphical clue. The iOS SDK provides the UIActivityIndicatorView and UIProgressView classes to tell a user to “please wait, I’m working.” The UIActivityIndicatorView uses a spinning “gear” to tell ...

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Publisher Resources

ISBN: 9780071759083