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UNT CSCE 4890 - 8 - Chapter 3 - Basic User Interaction

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Chapter 3Notes for Chapter 3Important Things in This ChapterOutletsAction – “Handlers”Outlets and ActionsDelegatesCHAPTER 3Beginning iPhone DevelopmentNotes for Chapter 3Some Basic User InteractionImportant Things in This ChapterModel View Controller ParadigmModel – classes with application dataView - screensController – application logic – button handlerAll should be separateDon’t have bank account class be responsible for the code to draw a table to display bank account dataOutletsTo refer to an object in Interface Builder from codeSo that you could change the text of a button in code, for exampleAction – “Handlers”A method that “handles” or gets called when a button gets pressed, for exampleOutlets and ActionsOutletActionDelegatesCode that does something for another objectApplication Delegate – handles things for the applicationWhat to do when it is shut down, for


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UNT CSCE 4890 - 8 - Chapter 3 - Basic User Interaction

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