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More from Ken Morishita (9)
SwiftでのiOSアプリ開発
- 2. ⮬ᕫ⤂
•
mokemokechicken
@{Twi6er,
Facebook,
Github,
Qiita}
• ᰴᘧ♫䜖䜑䜏㻌2014ᖺᗘCTO
௵ᮇ䛿1ᖺ䛺䛾䛷䛩
• タィ/䜲䞁䝣䝷/䝃䞊䝞䝃䜲䝗/iOS
䛜
• 䛣䜒䜣䛱䜓䜣ዲ䛝䛺ඣ䛾䝟䝟
㻞
- 13. Accessಟ㣭Ꮚ
• public
protected
䛸䛛䛿↓䛔
– 䛾Module䛛䜙䜰䜽䝉䝇ྍ⬟
• Internal
(┬␎䛿䛣䜜䠅
– ྠ୍Moduleෆ䛺䜙䜰䜽䝉䝇ྍ⬟
– 䛾Module䛛䜙䛿䜰䜽䝉䝇䛷䛝䛺䛔
• private
– ྠ୍䝣䜯䜲䝹ෆ䛺䜙䜰䜽䝉䝇ྍ⬟
– 䛾䝣䜯䜲䝹䛛䜙䛿䜰䜽䝉䝇䛷䛝䛺䛔
㻝㻟
- 21. nil䛻㛵䛩䜛ぶษ䛺ゝㄒᵝ
var
name:
String
䜢䛻䛩䜛䛸
ᆺ nil䛾௦ධ
ෆᐜ䜈䛾䜰䜽䝉䝇
ෆᐜ䛜nil
䛰䛳䛯ሙྜ
String 䛷䛝䛺䛔 name.isEmpty 䛒䜚ᚓ䛺䛔
String? 䛷䛝䜛
name?.isEmpty
nil䛻䛺䜛
name!.isEmpty ᐇ⾜䜶䝷䞊
String! 䛷䛝䜛 name.isEmpty ᐇ⾜䜶䝷䞊
䟿䛾䛰䛡
䜶䝷䞊䛜䛒䜚ᚓ䜛
㻞㻝
- 24. 䛂ᆺ䟿䛃䛾䛔䛹䛣䜝:
䛘䜀
ViewController
䛺䛹䛿init()䛷䛿䛺䛟䚸
㻌viewDidLoad
䛺䛹䛷ึᮇ䛩䜛䛾䛷
䝯䞁䝞ኚᩘ䛿㻌ᆺ?
䛛㻌ᆺ!
䛻䛩䜛ᚲせ䛜䛒䜛䚹
䛭䛾୰䛷
䛂እ㒊䛛䜙ᚲ䛪䝉䝑䝖䛥䜜䜛ኚᩘ䛃
䛂IBOutlet䛾䜘䛖䛺ኚᩘ䛃
䛿䚸ᆺ!䛺䛹䛷䜒OK䛸ゝ䛘䜛䚹
㻞㻠
- 26. ObjecWve-‐C
䛸䛾㐃ᦠ䠖
ObjC
䜢
Swi$䛛䜙ཧ↷
projectྡ-‐Bridging-‐Header.h
䛸䛔䛖䝣䜯䜲䝹䜢స䛳䛶䛭䛣䛻
importᩥ䜢᭩䛟
petamp-‐Bridging-‐Header.h
㻞㻢
- 33. 䛻䜒䛔䜝䛔䜝Ẽ䛜䛔䛶䛔䜛
• Closure䛜᭩䛝䜔䛩䛔
• ᙉຊ䛺Switch
Case
• enum
䛜䛛䛺䜚㧗ᶵ⬟
• ྍኚ㛗ᘬᩘ䛾㛵ᩘ䛜ᐃ⩏䛧䜔䛩䛔
• ᘬᩘ䛻default್䜢ᐃ⩏䛷䛝䜛
• Class
property
䛾
get,
set,
willSet,
didSet
• extension
䛻䜘䜛ᣑᙇ䚸Int
䛺䛹䜒ᣑᙇ䛷䛝䜛
㻟㻟
- 35. ObjCഃ䛾
weakኚᩘ䛻ὀព
↑䛣䛖䛔䛖
property䛻
Swi$ഃ䛾Object䜢
௦ධ䠄⤖ᯝⓗ䛻䠅䛩䜛㝿䛻
NSObject䜢⥅ᢎ䛧䛶䛺䛔䛸௦ධ䛥䜜䛺䛔
h6p://qiita.com/mokemokechicken/items/c0386acqb37429f9c16
䝎䝯
䝎䝯
OK
䛂䝎䝯䛃䛺䜔䛴䛿䛩䛠䛻nil䛻䛺䜚䜎䛩
㻟㻡
- 36. @selector
䛷䜆Object䛻ὀព
UIBu6on#addTarget
NSNoWficaWonCenter#addObserver
䛺䛹䛷㻌@selector䜢䛖ᣦᐃ䜢䛩䜛ሙྜ䚸
䛭䛾ᑐ㇟䛸䛺䜛Object䛿
NSObject䜢⥅ᢎ䛧䛯䜚䚸@objc
䛾䜘䛖䛺ಟ㣭䛜ᚲせ䚹
䜒䛧䛭䜜䜙䛜䛺䛡䜜䜀Crash䛩䜛䚹
㻟㻢
h6p://qiita.com/mokemokechicken/items/9d7b941a45a5534411c9
- 37. @selector
䛷䜆Object䛻ὀព
㻟㻣
䛣䜣䛺䝁䞊䝗䛰䛸䜽䝷䝑䝅䝳䛩䜛
Hoge
䛣䛣䛷䜽䝷䝑䝅䝳䟿
䛜
NSObject䜢⥅ᢎ䛧䛯䜚䚸
@objc
ಟ㣭䛥䜜䛶䛔䜜䜀ኵ
h6p://qiita.com/mokemokechicken/items/9d7b941a45a5534411c9