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𡌂儔iOS辭�頗
2014.12.25(躂)

Swift
⻌嬡云今日中‵釬勻化心化

掛枙卞⻌月ゴ卞切斤勻午分仃

湮囀引中仇
午中中引允

悝窃?�窃
? 18鬏?�迶庾及ʊ霜詢苺毛逑𦲀
? 18鬏?湮悝忳歠卞囮㷍?
? 19鬏?湮悝忳歠卞囮㷍?淓戶化皿伕弘仿穴奈卞卅月
? 20鬏?頗扦毛棗戶化罷鏡五卞卅月
? 20測ゴ圉?桯笊頗嶱殼?岈𦲀蕾切奻仆公及坻焆〝譎軗仄化汃�允月
? 25鬏?云踢互卅中及匹婬僅皿伕弘仿穴奈卞卅月
? 27鬏?磐駁允月?iOS嶱逃毛宎戶月
? 28鬏?iOS辭�頗毛宎戶月

酖爛iOS毛揖曰宎戶化眕懂
夫凶允日𦲀�炵失皿伉毛釬勻化引允

升木手仇木手珨汜𤍈韜支勻凶仃升
磐擁方仁�尹化中卅中
? Perl
? C
? Java
? PHP
? Python

Objective-C
笯謎仁卅木月𠸎互允月ㄐ

Swift
手勻午笯謎仁卅木公丹卅
𠸎互允月ㄐ

釦滄勳款喧⻌藷云今日中

失斥尼件母
? Swift ⻌嬡云今日中
? 釦滄勳款喧匹失皿伉毛釬勻化心凶

? Objective-C午𤩸五源互綃丹乒用
? Objective-C卞反剠井勻凶乒用

Objective-C午
𤩸五源互綃丹乒用

Objective-C午
𤩸五源互綃丹乒用
? Swift互卅兮汜引木凶及井
? 皿伕斥尼弁玄釬傖及瑞劓
? 劐杅?隅杅及釬曰源
? 秶郘凳恅
? 弁仿旦及釬曰源
? 凳婖极及釬曰源
? 憝杅及釬曰源

卅氏匹Swift卅氏化
釬勻凶及ˋ

六勻井仁Objective-C
𤩸仃月方丹卞卅勻化五凶及卞ㄐ

燴蚕ㄠㄩ幛硃莽喧,紼棗餃梗娶紳,釦硃款梗,梆紳喧梗娶硃釵喧勳措梗

Fast, Modern, Safe, Interactive
? WWDC2014匹逃桶今木凶Swift及畿賡
? 末奈玄及婌今反Python毛價𨃨午允月午Objective-C反2.8捷﹜
Swift分午3.9捷及婌今
? Java支Perl卅升毛辭�仄化五凶�卞午勻化悝�戊旦玄互腴中
? 方曰�中噙腔倰葆仃﹜nil毛假�卞㜳尹月帊瞎心(Optional)﹜
ARC卅升
? 奶件正仿弁氾奴皮卞末奈旦戊奈玉毛犯田永弘匹五月ㄗREPL,
Playgroundㄘ

燴蚕ㄡㄩ倏莉轍梗釵喧勳措梗-唬互妏中勿日中

Objective-C互妏中勿日中
? 踏媆及晟惤毛�腕仄凶�卞龰勻化及悝�戊旦玄互詢中

卅氏匹Swift毛釬勻凶及ˋ
? Objective-C互﹜晟惤嶱逃�手iOS嶱逃氪手中引中
切妏中勿日井勻凶﹝
? Fast,Modern,Safe,Interactive卅陔晟惤勾仁勻
凶ㄐ

皿伕斥尼弁玄釬傖及瑞劓

皿伕斥尼弁玄釬傖及瑞劓
? Swift匹皿伕斥尼弁玄毛釬傖允月午五反﹜妏蚚晟惤
午仄化☆Swift★毛腢亼允月午斛猁郔腴癹及白央奶
伙毛蚚砩仄化仁木月
? 目永母奈白央奶伙午灍蚾白央奶伙互煦井木化中卅中
及匹�籵仄互謎今公丹

var hensuu:String = ※尺氏允丹§
let teisuu:String = ※化中允丹§

IF恅
if item == true {
＃
} else if item == false {
＃
} else {
＃
}
? 嗣仁及晟惤午湮极肮元
? 市永戊互剠中ㄗ丐勻化手謎中ㄘ
? 珨俴匹手笢嬤說互剠中午分戶

while恅
while i < 10 {
＃
}
do {
＃
} while i < 10

for恅
for var i = 0; i < 10; i++ {
＃?
}
for i in 0..<10 {
// 0~9
}
for i in 0＃10 {
// 0~10
}

let data = [("Joseph","America"), ("Jotaro","Japan")]
!
for (key, val) in data {
println("(key) is from (val).")
}

switch恅
switch country {
case "France":
println("禾伐伊ㄐ")
case "China":
println("ヤ蔆⺧緲ㄐ")
case "America":
println("卞仁ㄐ")
case "Canada":
println("仄扎仃ㄐ")
default:
println("闔ㄐ")
}
Objective-C匹反匹五卅井勻凶左皮斥尼弁玄互妏尹月ㄐ

犯白巧伙玄匹break今木月互﹜
fallthrough匹棒及case手�I燴匹五月
switch country {
case "France":
println("禾伐伊ㄐ")
case "China":
println("ヤ蔆⺧緲ㄐ")
case "America":
println("卞仁ㄐ")
case "Canada":
println("仄扎仃ㄐ")
fallthrough
default:
println("闔ㄐ")
}

弁仿旦及釬曰源
class ClassName {
!
}
class ClassName: ParentClass {
!
}
輥創仄卅中
輥創允月

仇氏卅仇午手匹五月
class className {
!
}
class 仁日允友奈戈 {
!
}
class class_name{
!
}

失弁本旦戊件玄伕奈伙手手切欠氏匹五引允
�仄仁反及切幻升ㄐ
private class ClassName {
!
}

奶件旦正件旦劐杅
var someValue: String =
}

Objective-C午掀廌
SwiftObjective-C
struct Cat{
char* name;
int* age;
}
struct Cat{
卅引尹: 靡ゴ
age: Int
}

func hoge(foo:Int, bar:String)->Void {
// 價掛
}
!
func fuga(aaa foo:Int, bbb bar:String)->Void {
// 仿矛伙勾五
}
!
func hogefuga(foo:Int = 10, bar:String = "")->Void {
// 犯白巧伙玄�偞隅
}
!
func fugahoge(foo:Int...)->Void {
// 竘杅褫劐墿
}
!
hoge(1, "aa")
fuga(aaa: 1, bbb: "ee")
hogefuga(foo: 1, bar: "ee")
fugahoge(1,2,3,4,5,6,7,8)

Objective-C午𤩸五源互綃丹乒用
? 午勻勾五支允中ㄐ
? 戊奈玉及講互𦑩曰公丹ㄐ

Objective-C卞
剠井勻凶乒用

Objective-C卞剠井勻凶乒用
? Optional倰
? Implicitly Unwrapped Optional倰
? ??栳呾赽
? 倰芢�
? 斥尼生伉弁旦
? 正皿伙

Optional倰
var optvar1: Optional<String>
var optvar2: String? // Optional<String>午云卅元ㄐ
}
?劐杅反斛內睡井⻌勻化中卅仁切扎中仃卅中
?⻌勻化中卅中�磁反奶瓦扑乓仿奶扒匹場ヽ趙仄卅五扎中仃卅中
?公木手支曰凶仁卅中�磁反Optional倰=(nil毛偝⺍允月劐杅)
卞隴尨腔卞仄卅五扎中仃卅中

Optional倰: 仿永皿今木化中月
? 倰互Optional<Type>匹婦引木化中月及匹仿永皿今
木化中月﹜午中丹
? 仿永皿今木化中月及匹劐杅毛瞳蚚允月午五反失件仿永
皿ㄗ=Optional倰井日啋〝及源及劐杅毛龰曰堤允ㄘ
允月斛猁互丐月
? Type? 午中丹�扴匹測蚚匹五月

Optional倰: 失件仿永皿允月源楊
? Forced Unwrapping
? Optional Chaining
? Optional Binding
? 掀廌栳呾赽

Optional倰: Forced Unwrapping
public class WrappedObj {
var someString: String = "幻仆幻仆"
}
!
public class TestObj {
func callWrapObj {
var wrappedObj:WrappedObj? = WrappedObj()
!
var anotherObj = wrappedObj!.someString;
}
}

}
!
func callWrapObj {
var wrappedObj:WrappedObj? //nil
!
var anotherObj = wrappedObj!.someString;
// -> Runtime error: unexpectedly found nil while unwrapping an Optional value
}
}
仿件正奶丞巨仿奈卞卅月

Optional倰: Optional Chaining
}
!
func callWrapObj {
var wrappedObj:WrappedObj? = WrappedObj()
!
var anotherObj = wrappedObj?.someString;
}
}

}
!
func callWrapObj {
!
}
}
nil互殿今木月
anotherObj卞nil互⻌勻化仄引歹卅中及井ˋ

}
!
func callWrapObj {
!
}
}
1. wrappedObj互失件仿永皿今木月
2. String及someString互殿今木月
3. someString互仿永皿今木月
4. anotherObj卞仿永皿今木凶someString互測⻌今木月

Optional倰ㄩOptional Binding
var wrapped: WrappedObj?
if var unwrapped = wrapped {
var anotherString = unwrapped.someString
}
unwrapped互nil分勻凶�磁
磐彆反false午卅曰if及笢反灍俴今木卅中
unwrapped反仿永皿今木卅中

Optional倰ㄩ掀廌栳呾赽
? 掀廌栳呾赽毛妏丹媆反赻�腔卞失件仿永皿今木月
? wrapped互nil分午掀廌及磐彆互false卞卅月
var wrapped: Int? = 1;
var result = (wrapped == 0)

Implicitly Unwrapped Optional倰
赻�腔卞失件仿永皿今木月Optional倰
var optvar3: ImplicitlyUnwrappedOptional<String>
var optvar4: String! // ImplicitlyUnwrappedOptional<String>午云卅元
}

var implWrapped: WrappedObj! = WrappedObj()
var implString = implWrapped.someString;

var implWrapped: WrappedObj! //nil
var implString = implWrapped.someString;
// -> Runtime error: unexpectedly found nil while unwrapping an Optional value
仿件正奶丞巨仿奈卞卅月

??栳呾赽
var result = number != nil ? number : 0
var number:Int? = 1
仇丹中丹�磁
var result = number ?? 0
ˊ

倰芢�
var name = "蚋氪"
var hp = 700
let ratio = 2.5
倰毛赻�腔卞𢜪戶化仁木月ㄐ
var name:String = "蚋氪"
var hp:Int = 700
let ratio:Float = 2.5
手切欠氏隴尨腔卞硌隅手匹五月

斥尼生伉弁旦
丟末永玉?�婖极?皿伕玄戊伙卅升卞勾中化
仇木日毛網太堤允�互竘杅﹜丟件田﹜𥽋曰�卅升及倰毛
硌隅匹五月扑旦氾丞
var one:Int = 1
var two:Int = 2
var three:Int = 3
!
var m = max(one,two,three)
var one:Float = 1.0
var two:Float = 2.0
var three:Float = 3.0
!
var one:String = "1"
var two:String = "2"
var three:String = "3"
!

斥尼生伉弁旦憝杅
引內反斥尼生伉永弁匹反卅仁
Int毛竘杅卞午勻化Int及饜蹈毛殿允憝杅毛釬勻化心月
func repeat(item:Int, times:Int) -> [Int] {
var result = [Int]()
for i in 0...times {
result.append(item)
}
return result
}

func repeat(item:Int, times:Int) -> [Int] {
var result = [Int]()
result.append(item)
}
return result
}
!
repeat(10, 3) //[10,10,10]
repeat(※a§, 3) //巨仿奈
Int分仃匹卅仁坻及倰及竘杅毛午木月方丹卞仄凶中ㄐ
func repeat<T>(item:T, times:Int) -> [T] {
var result = [T]()
result.append(item)
}
return result
}
!
repeat(10, 3) //[10,10,10]
repeat(※a§, 3) //[※a§,§a§,§a§]

func larger<T:Comparable>(one:T, two:T) -> T {
return one > two ? one : two;
}
倰秶廣丐曰

正皿伙
var tuple = ("堎珧丹今亢", 14)
var name = tuple.0 //※堎珧丹今亢§
var age = tuple.1 //14
var tuple = (name:§堎珧丹今亢", age:14)
var name = tuple.name //※堎珧丹今亢§
var age = tuple.age //14
猁匼卞靡ゴ毛勾仃月仇午手匹五月

云今日中反仇仇引匹ㄐ

釦滄勳款喧匹兜硃喧釵堯鬼勳喧中元勻化心凶

? WatchKit匹匹五月(匹五公丹卅)仇午
? AppleWatch及失皿伉珨笊UI毛灍蚾仄凶�互中月及
匹公木毛申伙玉仄化�井仄化心凶

WatchKit匹釬木月手及
? WatchKit Apps: AppleWatch失皿伉﹝蕆𦵴匹橢曰狟仆化
中仁手及午賒醱互ピ曰杸歹月手及及ㄡ意�﹝凶分仄﹜價掛腔
卞反iPhone失皿伉及扔皮﹝
? Grances: 旦弁伕奈伙支�摩互匹五卅中﹜桶尨蚚及賒醱﹝失
皿伉及云眭日六﹜毞𠸎支市它件玄母它件卅升互珨媆腔卞桶
尨今木﹜交奈扒奈互民仿�匹五月奶丟奈斥
? 籵眭賒醱ㄩ失皿伉及失奶戊件﹜籵眭囀⺍﹜失皿伉靡分仃毛桶
尨允月扑亦奈玄賒醱午﹜旦弁伕奈伙褫夔匹﹜中中友ㄐ脹及毀
𡛟毛殿六月伕件弘賒醱及ㄡ意�﹝

WatchKit
? WKInterfaceController
? WKUserNoti?cationInterfaceController
? WKInterfaceDevice
? WKInterfaceObject
卅氏午�窒匹15弁仿旦﹝
籵眭?犯田奶旦ロ�?Controller?UI由奈汁

? WKInterfaceButton
? WKInterfaceDate
? WKInterfaceGroup
? WKInterfaceImage
? WKInterfaceMap
? WKInterfaceSeparator
? WKInterface端端舝r
? WKInterfaceSwitch
? WKInterfaceTable
? WKInterfaceTimer

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釦滄勳款喧⻌藷云今日中

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