Making Your App Static

Making Your App Static with Swift

Transcript

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7. let storyBoard = UIStoryboard(name: "Main", bundle: nil) let vc = storyBoard.instantiateViewControllerWithIdentifier("FooBar") as! FooBarViewController navigationController?.pushViewController(vc, animated: true) class FooBarViewController : UIViewController {}
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   1PJOU class FooBarViewController : UIViewController { var aProperty: Int?
10. protocol StoryboardInstantiable {} func instantiate<T: StoryboardInstantiable>(_: 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
    
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    &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
    
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    $POTUSBJOUT extension StoryboardInstantiable where Self: UIViewController { static func instantiate() -> Self { let storyBoard = UIStoryboard(name: TypeNameFromType(Self), bundle: nil) return storyBoard.instantiateInitialViewController() as! Self } } class SomeClass : StoryboardInstantiable {} SomeClass.instantiate() // Compile error
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14. 0CKFDUJWF$ NSString * className = NSStringFromClass([FooBarViewController class]); NSLog(@"Class name is %@", className);
15. 4XJGU let classString = NSStringFromClass(FooBarViewController) // => Potatotips.FooBarViewController classString.componentsSeparatedByString(".").last! // => FooBarViewController
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    $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
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    /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
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    /BNF println(reflect(Hoge.FooBarViewController.self).summary) // => Potatotips.Hoge.FooBarViewController println(toString(Hoge.FooBarViewController.self)) // => Potatotips.Hoge.FooBarViewController
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    FOVN 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
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     print(String(Hoge.FooBarViewController.self)) // => Potatotips.Hoge.FooBarViewController
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23. override func tableView( tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { let cell = tableView.dequeueReusableCellWithIdentifier( "Cell", forIndexPath: indexPath) as! FooBarCell /4*OEFY1BUI
24. NSIndexPath Meaning
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) } } }
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" } // ...
27. 6*5BCMF7JFX$FMM override func tableView( tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { let cell = tableView.dequeueReusableCellWithIdentifier( "Cell", forIndexPath: indexPath) as! FooBarCell
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29. extension UITableView { func registerNibForCellWithType<T: UITableViewCell>(type: T.Type) { let className = TypeNameFromType(T) let nib = UINib(nibName: className, bundle: nil) registerNib(nib, forCellReuseIdentifier: className) } func registerClassForCellWithType<T: UITableViewCell>(type: T.Type) { let className = TypeNameFromType(T) registerClass(T.self, forCellReuseIdentifier: className) } func dequeueReusableCellWithType<T: UITableViewCell>( type: T.Type, forIndexPath indexPath: NSIndexPath) -> T { return dequeueReusableCellWithIdentifier( TypeNameFromType(T), forIndexPath: indexPath) as! T } }
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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
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