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The Complete Idiot's Guide® To iPad and iPhone App Development by Troy Brant

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Chapter 8
Text Fields
In This Chapter
• Tip calculator app
• Protocols
• Delegation
• UITextField
• Number formatting
Love it or hate it, the lack of a physical keyboard is one of the defining characteristics of both iPhones and iPads. At first glance, it seems like it would be an awful experience to use the software keyboard, especially if you have big, clumsy fingers. However, with the use of predictive typing techniques and some nifty artificial intelligence, the onscreen keyboard works surprisingly well. Even without tactile feedback, you can quickly type your message, and the phone kindly corrects the big-fingered, clumsy mistakes you happen to make.
Incorporating the keyboard into your application is extraordinarily simple. If ...

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