iOS_Dev_Workshop_TechStreet.pdf

Transcript

1. iPhone Dev workshop
   step-by-step
   Wednesday, November 20, 13
   

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2. Wednesday, November 20, 13
   

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3. Me
   Wednesday, November 20, 13
   

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4. Me
   Mark Wilkinson
   Wednesday, November 20, 13
   

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5. Me
   Mark Wilkinson
   UH grad in Comp. Eng.
   Wednesday, November 20, 13
   

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6. Me
   Mark Wilkinson
   UH grad in Comp. Eng.
   Former DotNetter, now full-
   time mobile developer at
   ChaiOne.
   Wednesday, November 20, 13
   

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7. Me
   Mark Wilkinson
   UH grad in Comp. Eng.
   Former DotNetter, now full-
   time mobile developer at
   ChaiOne.
   Head of the C#UG for the last
   3 years.
   Wednesday, November 20, 13
   

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8. create a new Xcode
   project, single view app
   Wednesday, November 20, 13
   

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9. remove the initial View Controller, add Nav-
   Contronller in the Main.storyboard
   Wednesday, November 20, 13
   

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10. Wire-up the Root
    ViewController
    • Set the Class of the Root VC to be your TSViewController
    • Change base class of TSViewController to
    UITableViewController
    Wednesday, November 20, 13
    

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11. add UITableView
    essential methods
    Wednesday, November 20, 13
    

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12. set edit and add
    buttons on NavBar
    Wednesday, November 20, 13
    

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13. add your model objects array,
    update the tableView methods
    Wednesday, November 20, 13
    

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14. Setup the AlertViews to
    enter Gift information
    Wednesday, November 20, 13
    

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15. lets do some
    refactoring
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16. Where’s the bug?
    Wednesday, November 20, 13
    

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17. Check if they chose
    OK or Cancel
    Wednesday, November 20, 13
    

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18. Create and save your new
    gift to the collection
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19. Reload the tableView
    to show the new gift
    Wednesday, November 20, 13
    

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20. 2 more bugs, why did the
    tableView not show it added?
    then a crash, what happened
    here?
    Wednesday, November 20, 13
    

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21. Add ability to delete
    gifts
    Wednesday, November 20, 13
    

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22. Hmm...closing the app loses all
    your gifts, you need to persist
    Wednesday, November 20, 13
    

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23. awesome, not read them back
    each app start
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24. don’t forget to delete
    gifts
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25. Onto the drill-down, add a new
    ViewController, add a WebView
    control+click the prototype
    cell, then drag onto the
    added View Controller,
    choose ‘Push’ segue
    Wednesday, November 20, 13
    

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26. Create the backing ViewController
    class for this details View Controller
    Wednesday, November 20, 13
    

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27. Wire-up the storyboard view to this
    view-controller, wire up the
    UIWebView to the interface
    Wednesday, November 20, 13
    

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28. name the segue that you just created
    from the tableViewCell to the
    DetailsViewController
    set identifier of the prototype cell to
    “giftCell”
    Wednesday, November 20, 13
    

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29. change the
    cellForRowAtIndexPathMethod
    create the prepareForSegue method,
    set the url path for the details
    ViewController
    Wednesday, November 20, 13
    

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30. load the URL in the
    detailsViewController
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31. Bonus, refactor and
    NSCoding
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32. Move all the saving/persisting logic of gifts out of the
    main ViewController
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33. NSCoder and NSKeyedArchiver
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34. Now use NSKeyedArchiver
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35. Resources
    • developer.apple.com
    • objc.io
    • nsscreencast.com
    • ChaiOne if you want to do this for a living
    Wednesday, November 20, 13
    

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