Slide 1
Slide 1 text
.BLJOH:PVS
"QQ4UBUJD
:VTFJ/JTIJZBNB !ZVTFJOJTIJZBNB
QPUBUPUJQT
Slide 2
Slide 2 text
8IPBN*
w :VTFJ/JTIJZBNB !ZVTFJOJTIJZBNB
w J04EFWFMPQFSZFBST
w $PPLQBE
w *OUFSOBUJPOBMHSPVQ
w -FBSOJOH&OHMJTI
Slide 3
Slide 3 text
(MPCBM
Slide 4
Slide 4 text
/PXXFIBWFB
TUBUJDMBOHVBHFʜ
Slide 5
Slide 5 text
5IFSFTUJMM
SFNBJOTBMPUPG
EZOBNJDQBSU
Slide 6
Slide 6 text
6*7JFX$POUSPMMFS
Slide 7
Slide 7 text
let storyBoard = UIStoryboard(name: "Main", bundle: nil)
let vc =
storyBoard.instantiateViewControllerWithIdentifier("FooBar") as! FooBarViewController
navigationController?.pushViewController(vc, animated: true)
class FooBarViewController : UIViewController {}
Slide 8
Slide 8 text
$PEF(FOFSBUPS
wLS[Z[BOPXTLJN/BUBMJF
wTRVBSFPCKDDPEFHFOVUJMT
wQBVMTBNVFMT4#$POTUBOUT
Slide 9
Slide 9 text
4UPSZCPBSE
7JFX$POUSPMMFS
w $MBTTOBNF'JMFOBNF 4UPSZCPBSE
‣ 'PP#BS7JFX$POUSPMMFSTXJGU
‣ 'PP#BS7JFX$POUSPMMFSTUPSZCPBSE
w 4UPSZCPBSE&OUSZ1PJOU
class FooBarViewController : UIViewController {
var aProperty: Int?
Slide 10
Slide 10 text
protocol StoryboardInstantiable {}
func instantiate(_: T.Type) -> T {
let storyBoard = UIStoryboard(name: TypeNameFromType(T), bundle: nil)
return storyBoard.instantiateInitialViewController() as! T
}
extension FooBarViewController : StoryboardInstantiable {}
let vc = instantiate(FooBarViewController)
vc.aProperty = 1
navigationController?.pushViewController(vc, animated: true)
1SPUPDPM
(MPCBM'VODUJPO
Slide 11
Slide 11 text
1SPUPDPM&YUFOTJPO
protocol StoryboardInstantiable {}
extension StoryboardInstantiable {
static func instantiate() -> Self {
let storyBoard = UIStoryboard(name: TypeNameFromType(Self), bundle: nil)
return storyBoard.instantiateInitialViewController() as! Self
}
}
extension FooBarViewController : StoryboardInstantiable {}
let vc = FooBarViewController.instantiate()
vc.aProperty = 1
4XJGU
Slide 12
Slide 12 text
5ZQF$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
Slide 13
Slide 13 text
)PXUPHFU
BUZQFOBNF
Slide 14
Slide 14 text
0CKFDUJWF$
NSString * className =
NSStringFromClass([FooBarViewController class]);
NSLog(@"Class name is %@", className);
Slide 15
Slide 15 text
4XJGU
let classString = NSStringFromClass(FooBarViewController)
// => Potatotips.FooBarViewController
classString.componentsSeparatedByString(".").last!
// => FooBarViewController
Slide 16
Slide 16 text
/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
Slide 17
Slide 17 text
No content
Slide 18
Slide 18 text
.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
Slide 19
Slide 19 text
%FNBOHMFE5ZQF/BNF
println(reflect(Hoge.FooBarViewController.self).summary)
// => Potatotips.Hoge.FooBarViewController
println(toString(Hoge.FooBarViewController.self))
// => Potatotips.Hoge.FooBarViewController
Slide 20
Slide 20 text
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
Slide 21
Slide 21 text
4XJGU
print(String(Hoge.FooBarViewController.self))
// => Potatotips.Hoge.FooBarViewController
Slide 22
Slide 22 text
6*5BCMF7JFX
Slide 23
Slide 23 text
override func tableView(
tableView: UITableView,
cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier(
"Cell",
forIndexPath: indexPath) as! FooBarCell
/4*OEFY1BUI
Slide 24
Slide 24 text
NSIndexPath Meaning
Slide 25
Slide 25 text
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)
}
}
}
Slide 26
Slide 26 text
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"
}
// ...
Slide 27
Slide 27 text
6*5BCMF7JFX$FMM
override func tableView(
tableView: UITableView,
cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier(
"Cell",
forIndexPath: indexPath) as! FooBarCell
Slide 28
Slide 28 text
$MBTTOBNF
'JMFOBNF OJC
*EFOUJpFS
Slide 29
Slide 29 text
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
Slide 30
Slide 30 text
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
Slide 31
Slide 31 text
4VNNBSZ
Slide 32
Slide 32 text
w'JOETPNFUIJOHXSPOHPO
lDPNQJMFUJNFz
w(FOFSBUJOHTUSJOHTGSPN
UZQFT
w3FEVDFDPEFXJUIHFOFSJDT
Slide 33
Slide 33 text
8FBSFIJSJOH
Slide 34
Slide 34 text
"OZ2VFTUJPOT