Making Your App Static

Making Your App Static with Swift

Transcript

1. .BLJOH:PVS
   "QQ4UBUJD
   :VTFJ/JTIJZBNB !ZVTFJOJTIJZBNB
   
   QPUBUPUJQT
   

   View Slide

2. 8IPBN*
   w :VTFJ/JTIJZBNB !ZVTFJOJTIJZBNB
   
   w J04EFWFMPQFSZFBST
   w $PPLQBE
   w *OUFSOBUJPOBMHSPVQ
   w -FBSOJOH&OHMJTI
   
   

   View Slide

3. (MPCBM
   

   View Slide

4. /PXXFIBWFB
   TUBUJDMBOHVBHFʜ
   

   View Slide

5. 5IFSFTUJMM
   SFNBJOTBMPUPG
   EZOBNJDQBSU
   

   View Slide

6. 6*7JFX$POUSPMMFS
   

   View Slide

7. let storyBoard = UIStoryboard(name: "Main", bundle: nil)
   let vc =
   storyBoard.instantiateViewControllerWithIdentifier("FooBar") as! FooBarViewController
   navigationController?.pushViewController(vc, animated: true)
   class FooBarViewController : UIViewController {}
   

   View Slide

8. $PEF(FOFSBUPS
   wLS[Z[BOPXTLJN/BUBMJF
   wTRVBSFPCKDDPEFHFOVUJMT
   wQBVMTBNVFMT4#$POTUBOUT
   

   View Slide

9. 4UPSZCPBSE

   7JFX$POUSPMMFS
   w $MBTTOBNF'JMFOBNF 4UPSZCPBSE
   
   ‣ 'PP#BS7JFX$POUSPMMFSTXJGU
   ‣ 'PP#BS7JFX$POUSPMMFSTUPSZCPBSE
   w 4UPSZCPBSE&OUSZ1PJOU
   class FooBarViewController : UIViewController {
   var aProperty: Int?
   

   View Slide

10. protocol StoryboardInstantiable {}
    func instantiate(_: T.Type) -> T {
    let storyBoard = UIStoryboard(name: TypeNameFromType(T), bundle: nil)
    return storyBoard.instantiateInitialViewController() as! T
    }
    extension FooBarViewController : StoryboardInstantiable {}
    let vc = instantiate(FooBarViewController)
    vc.aProperty = 1
    navigationController?.pushViewController(vc, animated: true)
    1SPUPDPM
    (MPCBM'VODUJPO
    

    View Slide

11. 1SPUPDPM&YUFOTJPO
    protocol StoryboardInstantiable {}
    extension StoryboardInstantiable {
    static func instantiate() -> Self {
    let storyBoard = UIStoryboard(name: TypeNameFromType(Self), bundle: nil)
    return storyBoard.instantiateInitialViewController() as! Self
    }
    }
    extension FooBarViewController : StoryboardInstantiable {}
    let vc = FooBarViewController.instantiate()
    vc.aProperty = 1
    4XJGU
    

    View Slide

12. 5ZQF$POTUSBJOUT
    extension StoryboardInstantiable where Self: UIViewController {
    static func instantiate() -> Self {
    let storyBoard = UIStoryboard(name: TypeNameFromType(Self), bundle: nil)
    return storyBoard.instantiateInitialViewController() as! Self
    }
    }
    class SomeClass : StoryboardInstantiable {}
    SomeClass.instantiate() // Compile error
    

    View Slide

13. )PXUPHFU
    BUZQFOBNF
    

    View Slide

14. 0CKFDUJWF$
    NSString * className =
    NSStringFromClass([FooBarViewController class]);
    NSLog(@"Class name is %@", className);
    

    View Slide

15. 4XJGU
    let classString = NSStringFromClass(FooBarViewController)
    // => Potatotips.FooBarViewController
    classString.componentsSeparatedByString(".").last!
    // => FooBarViewController
    

    View Slide

16. /FTUFE$MBTT
    class Hoge {
    class FooBarViewController : UIViewController {}
    }
    println(Hoge.FooBarViewController.self)
    // => Potatotips.Hoge.FooBarViewController
    println(NSStringFromClass(Hoge.FooBarViewController.self))
    // => _TtCC10Potatotips4Hoge20FooBarViewController
    println(Hoge.FooBarViewController.self.description())
    // => _TtCC10Potatotips4Hoge20FooBarViewController
    println(Hoge.FooBarViewController.self.debugDescription())
    // => _TtCC10Potatotips4Hoge20FooBarViewController
    

    View Slide

17. View Slide

18. .BOHMFE/BNF
    $ xcrun swift-demangle _TtCC10Potatotips4Hoge20FooBarViewController

    _TtCC10Potatotips4Hoge20FooBarViewController ---> Potatotips.Hoge.FooBarViewController
    _T t CC 10Potatotips 4Hoge 20FoobarViewController
    Swift global symbol
    Type
    2 nested class
    Module name

    (10 characters)
    Class name Class name
    

    View Slide

19. %FNBOHMFE5ZQF/BNF
    println(reflect(Hoge.FooBarViewController.self).summary)
    // => Potatotips.Hoge.FooBarViewController
    println(toString(Hoge.FooBarViewController.self))
    // => Potatotips.Hoge.FooBarViewController
    

    View Slide

20. TUSVDUPSFOVN
    struct A { struct B { struct C {} } }
    enum X { enum Y {} }
    println(reflect(A.B.C.self).summary)
    // => Potatotips.A.B.C
    println(reflect(X.Y.self).summary)
    // => Potatotips.X.Y
    println(toString(A.B.C.self))
    // => Potatotips.A.B.C
    println(toString(X.Y.self))
    // => Potatotips.X.Y
    

    View Slide

21. 4XJGU
    print(String(Hoge.FooBarViewController.self))
    // => Potatotips.Hoge.FooBarViewController
    

    View Slide

22. 6*5BCMF7JFX
    

    View Slide

23. override func tableView(
    tableView: UITableView,
    cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
    let cell = tableView.dequeueReusableCellWithIdentifier(
    "Cell",
    forIndexPath: indexPath) as! FooBarCell
    /4*OEFY1BUI
    

    View Slide

24. NSIndexPath Meaning
    

    View Slide

25. enum Section {
    case Birds(row: Bird), Fishes(row: Fish)
    enum Bird: Int { case Parrot, Owl, Woodpeckers }
    enum Fish: Int { case Carp, Dragonfish }
    init?(indexPath: NSIndexPath) {
    switch (indexPath.section, indexPath.row) {
    case (0, let x):
    guard let bird = Bird(rawValue: x) else { return nil }
    self = Birds(row: bird)
    case (1, let x):
    guard let fish = Fish(rawValue: x) else { return nil }
    self = Fishes(row: fish)
    default: return nil
    }
    }
    var indexPath: NSIndexPath {
    switch self {
    case .Birds(let row): return NSIndexPath(forRow: row.rawValue, inSection: 0)
    case .Fishes(let row): return NSIndexPath(forRow: row.rawValue, inSection: 1)
    }
    }
    }
    

    View Slide

26. override func tableView(
    tableView: UITableView,
    cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
    let title: String
    if let section = Section(indexPath: indexPath) {
    switch section {
    case .Birds(row: .Owl): title = "Owl"
    default: title = "Other"
    }
    } else {
    title = "Invalid"
    }
    // ...
    

    View Slide

27. 6*5BCMF7JFX$FMM
    override func tableView(
    tableView: UITableView,
    cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
    let cell = tableView.dequeueReusableCellWithIdentifier(
    "Cell",
    forIndexPath: indexPath) as! FooBarCell
    

    View Slide

28. $MBTTOBNF

    'JMFOBNF OJC
    

    *EFOUJpFS
    

    View Slide

29. extension UITableView {
    func registerNibForCellWithType(type: T.Type) {
    let className = TypeNameFromType(T)
    let nib = UINib(nibName: className, bundle: nil)
    registerNib(nib, forCellReuseIdentifier: className)
    }
    func registerClassForCellWithType(type: T.Type) {
    let className = TypeNameFromType(T)
    registerClass(T.self, forCellReuseIdentifier: className)
    }
    func dequeueReusableCellWithType(
    type: T.Type,
    forIndexPath indexPath: NSIndexPath) -> T {
    return dequeueReusableCellWithIdentifier(
    TypeNameFromType(T),
    forIndexPath: indexPath) as! T
    }
    }
    3FHJTUFSBOE
    %FRVFVFCZ5ZQF
    

    View Slide

30. class FooBarCell : UITableViewCell {
    @IBOutlet weak var label: UILabel!
    }
    // Register
    let tableView = UITableView()
    tableView.registerNibForCellWithType(FooBarCell)
    // Dequeue
    let cell = tableView.dequeueReusableCellWithType(
    FooBarCell.self,
    forIndexPath: indexPath)
    cell.label.text = title
    1VUUIFNJOUP
    "DUJPO
    

    View Slide

31. 4VNNBSZ
    

    View Slide

32. w'JOETPNFUIJOHXSPOHPO
    lDPNQJMFUJNFz
    w(FOFSBUJOHTUSJOHTGSPN
    UZQFT
    w3FEVDFDPEFXJUIHFOFSJDT
    

    View Slide

33. 8FBSFIJSJOH
    

    View Slide

34. "OZ2VFTUJPOT
    

    View Slide