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iOS ๊ธฐ์ˆ  ๋ฉด์ ‘์„ ์ค€๋น„ํ•˜๋Š” ๋ ˆํฌ

๐Ÿ‘จ๐Ÿปโ€๐Ÿ’ป๐Ÿ‘ฉ๐Ÿปโ€๐Ÿ’ปiOS ๋ฉด์ ‘์— ๋‚˜์˜ฌ ์งˆ๋ฌธ๋“ค ์ด ์ •๋ฆฌ์— ๊ธฐ์žฌ๋œ ๋ฆฌ์ŠคํŠธ๋ฅผ ํ† ๋Œ€๋กœ ๊ณต๋ถ€ํ•˜๋Š” Repository์ž…๋‹ˆ๋‹ค.


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iOS

๋ฉด์ ‘์‹œ๊ธฐ๊ฐ€ WWDC์ดํ›„ (7์›”~11์›”)์ด๋ผ๋ฉด ํ•ด๋‹น๋…„๋„ WWDC์„ธ์…˜๋ณด๊ธฐ!
Apple All Videos

Question Answer
Bounds ์™€ Frame ์˜ ์ฐจ์ด์ ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
์‹ค์ œ ๋””๋ฐ”์ด์Šค๊ฐ€ ์—†์„ ๊ฒฝ์šฐ ๊ฐœ๋ฐœ ํ™˜๊ฒฝ์—์„œ ํ•  ์ˆ˜ ์žˆ๋Š” ๊ฒƒ๊ณผ ์—†๋Š” ๊ฒƒ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
์•ฑ์ด foreground์— ์žˆ์„ ๋•Œ์™€ background์— ์žˆ์„ ๋•Œ ์–ด๋–ค ์ œ์•ฝ์‚ฌํ•ญ์ด ์žˆ๋‚˜์š”? Done
AppDelegate์™€ SceneDelegate์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
App LifeCycle๊ณผ ๋™์ž‘ ์‹œ๋‚˜๋ฆฌ์˜ค์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
NSOperationQueue ์™€ GCD Queue ์˜ ์ฐจ์ด์ ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
GCD API ๋™์ž‘ ๋ฐฉ์‹๊ณผ ํ•„์š”์„ฑ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Global DispatchQueue ์˜ Qos ์—๋Š” ์–ด๋–ค ์ข…๋ฅ˜๊ฐ€ ์žˆ๋Š”์ง€, ๊ฐ๊ฐ ์–ด๋–ค ์˜๋ฏธ์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
์ž์‹ ๋งŒ์˜ Custom View๋ฅผ ๋งŒ๋“ค๋ ค๋ฉด ์–ด๋–ป๊ฒŒ ํ•ด์•ผํ•˜๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
iOS ์•ฑ์„ ๋งŒ๋“ค๊ณ , User Interface๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ๋ฐ ํ•„์ˆ˜์ ์ธ ํ”„๋ ˆ์ž„์›Œํฌ ์ด๋ฆ„์€ ๋ฌด์—‡์ธ๊ฐ€? Done
Foundation Kit์€ ๋ฌด์—‡์ด๊ณ  ํฌํ•จ๋˜์–ด ์žˆ๋Š” ํด๋ž˜์Šค๋“ค์€ ์–ด๋–ค ๊ฒƒ์ด ์žˆ๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Delegate๋ž€ ๋ฌด์–ธ์ธ๊ฐ€ ์„ค๋ช…ํ•˜๊ณ , retain ๋˜๋Š”์ง€ ์•ˆ๋˜๋Š”์ง€ ๊ทธ ์ด์œ ๋ฅผ ํ•จ๊ป˜ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
NotificationCenter ๋™์ž‘ ๋ฐฉ์‹๊ณผ ํ™œ์šฉ ๋ฐฉ์•ˆ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
UIKit ํด๋ž˜์Šค๋“ค์„ ๋‹ค๋ฃฐ ๋•Œ ๊ผญ ์ฒ˜๋ฆฌํ•ด์•ผํ•˜๋Š” ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์“ฐ๋ ˆ๋“œ ์ด๋ฆ„์€ ๋ฌด์—‡์ธ๊ฐ€? Done
TableView์˜ ๋™์ž‘ ๋ฐฉ์‹๊ณผ ํ™”๋ฉด์— Cell์„ ์ถœ๋ ฅํ•˜๊ธฐ ์œ„ํ•ด ์ตœ์†Œํ•œ ๊ตฌํ˜„ํ•ด์•ผ ํ•˜๋Š” DataSource ๋ฉ”์„œ๋“œ๋ฅผ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
ํ•˜๋‚˜์˜ View Controller ์ฝ”๋“œ์—์„œ ์—ฌ๋Ÿฌ TableView Controller ์—ญํ• ์„ ํ•ด์•ผ ํ•  ๊ฒฝ์šฐ ์–ด๋–ป๊ฒŒ ๊ตฌ๋ถ„ํ•ด์„œ ๊ตฌํ˜„ํ•ด์•ผ ํ•˜๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
App Bundle์˜ ๊ตฌ์กฐ์™€ ์—ญํ• ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
View ๊ฐ์ฒด์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
UIView ์—์„œ Layer ๊ฐ์ฒด๋Š” ๋ฌด์—‡์ด๊ณ  ์–ด๋–ค ์—ญํ• ์„ ๋‹ด๋‹นํ•˜๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
UIWindow ๊ฐ์ฒด์˜ ์—ญํ• ์€ ๋ฌด์—‡์ธ๊ฐ€? Done
UINavigationController ์˜ ์—ญํ• ์ด ๋ฌด์—‡์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
๋ชจ๋“  View Controller ๊ฐ์ฒด์˜ ์ƒ์œ„ ํด๋ž˜์Šค๋Š” ๋ฌด์—‡์ด๊ณ  ๊ทธ ์—ญํ• ์€ ๋ฌด์—‡์ธ๊ฐ€? Done
์•ฑ์ด ์‹œ์ž‘ํ•  ๋•Œ main.c ์— ์žˆ๋Š” UIApplicationMain ํ•จ์ˆ˜์— ์˜ํ•ด์„œ ์ƒ์„ฑ๋˜๋Š” ๊ฐ์ฒด๋Š” ๋ฌด์—‡์ธ๊ฐ€? Done
์•ฑ์˜ ์ฝ˜ํ…์ธ ๋‚˜ ๋ฐ์ดํ„ฐ ์ž์ฒด๋ฅผ ์ €์žฅ/๋ณด๊ด€ํ•˜๋Š” ํŠน๋ณ„ํ•œ ๊ฐ์ฒด๋ฅผ ๋ฌด์—‡์ด๋ผ๊ณ  ํ•˜๋Š”๊ฐ€? Done
์•ฑ ํ™”๋ฉด์˜ ์ฝ˜ํ…์ธ ๋ฅผ ํ‘œ์‹œํ•˜๋Š” ๋กœ์ง๊ณผ ๊ด€๋ฆฌ๋ฅผ ๋‹ด๋‹นํ•˜๋Š” ๊ฐ์ฒด๋ฅผ ๋ฌด์—‡์ด๋ผ๊ณ  ํ•˜๋Š”๊ฐ€? -
Swift์˜ ํด๋กœ์ €์™€ Objective-C์˜ ๋ธ”๋ก์€ ์–ด๋–ค ์ฐจ์ด๊ฐ€ ์žˆ๋Š”๊ฐ€? -
App thinning์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
setNeedsLayout์™€ setNeedsDisplay์˜ ์ฐจ์ด์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
NSCache์™€ ๋”•์…”๋„ˆ๋ฆฌ๋กœ ์บ์‹œ๋ฅผ ๊ตฌ์„ฑํ–ˆ์„๋•Œ์˜ ์ฐจ์ด๋ฅผ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
URLSession์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
prepareForReuse์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
ViewController์˜ ์ƒ๋ช…์ฃผ๊ธฐ๋ฅผ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done

Autolayout

Question Answer
์˜คํ† ๋ ˆ์ด์•„์›ƒ์„ ์ฝ”๋“œ๋กœ ์ž‘์„ฑํ•˜๋Š” ๋ฐฉ๋ฒ•์€ ๋ฌด์—‡์ธ๊ฐ€? (3๊ฐ€์ง€) Done
์Šคํ† ๋ฆฌ๋ณด๋“œ๋ฅผ ์ด์šฉํ–ˆ์„๋•Œ์˜ ์žฅ๋‹จ์ ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Safearea์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Left Constraint ์™€ Leading Constraint ์˜ ์ฐจ์ด์ ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
hugging, resistance์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Intrinsic Size์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done

Swift

Question Answer
Optional ์ด๋ž€ ๋ฌด์—‡์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Fast Enumeration ์ด๋ž€ ๋ฌด์—‡์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Class ์™€ Struct์˜ ์ฐจ์ด์ ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Property ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Instance ๋ฉ”์„œ๋“œ์™€ Type ๋ฉ”์„œ๋“œ์˜ ์ฐจ์ด์ ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Delegate Pattern์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Singleton Pattern์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Observer Pattern์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
KVO ๋™์ž‘ ๋ฐฉ์‹์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. -
Delegates์™€ Notification ๋ฐฉ์‹์˜ ์ฐจ์ด์ ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
๋ฉ€ํ‹ฐ ์“ฐ๋ ˆ๋“œ๋กœ ๋™์ž‘ํ•˜๋Š” ์•ฑ์„ ์ž‘์„ฑํ•˜๊ณ  ์‹ถ์„ ๋•Œ ๊ณ ๋ คํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐฉ์‹๋“ค์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
ํ”„๋กœํ† ์ฝœ์ด๋ž€ ๋ฌด์—‡์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Hashable์ด ๋ฌด์—‡์ด๊ณ , Equatable์„ ์™œ ์ƒ์†ํ•ด์•ผ ํ•˜๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
mutating ํ‚ค์›Œ๋“œ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
ํƒˆ์ถœ(@escaping) ํด๋กœ์ €์— ๋Œ€ํ•˜์—ฌ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Generic์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Extension์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. -
์ ‘๊ทผ ์ œ์–ด์ž์˜ ์ข…๋ฅ˜์—” ์–ด๋–ค๊ฒŒ ์žˆ๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค Done
defer๋ž€ ๋ฌด์—‡์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
defer๊ฐ€ ํ˜ธ์ถœ๋˜๋Š” ์ˆœ์„œ๋Š” ์–ด๋–ป๊ฒŒ ๋˜๊ณ , defer๊ฐ€ ํ˜ธ์ถœ๋˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ๋ฅผ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
property wrapper์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
Resultํƒ€์ž…์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. -
Codable์— ๋Œ€ํ•˜์—ฌ ์„ค๋ช…ํ•˜์‹œ์˜ค. -

ARC

Question Answer
ARC๋ž€ ๋ฌด์—‡์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Retain Count ๋ฐฉ์‹์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Strong ๊ณผ Weak ์ฐธ์กฐ ๋ฐฉ์‹์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
ARC ๋Œ€์‹  Manual Reference Count ๋ฐฉ์‹์œผ๋กœ ๊ตฌํ˜„ํ•  ๋•Œ ๊ผญ ์‚ฌ์šฉํ•ด์•ผ ํ•˜๋Š” ๋ฉ”์„œ๋“œ๋“ค์„ ์“ฐ๊ณ  ์—ญํ• ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
retain ๊ณผ assign ์˜ ์ฐจ์ด์ ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
์ˆœํ™˜ ์ฐธ์กฐ์— ๋Œ€ํ•˜์—ฌ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
๊ฐ•ํ•œ ์ˆœํ™˜ ์ฐธ์กฐ (Strong Reference Cycle) ๋Š” ์–ด๋–ค ๊ฒฝ์šฐ์— ๋ฐœ์ƒํ•˜๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
ํŠน์ • ๊ฐ์ฒด๋ฅผ autorelease ํ•˜๊ธฐ ์œ„ํ•ด ํ•„์š”ํ•œ ์‚ฌํ•ญ๊ณผ ๊ณผ์ •์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
Autorelease Pool์„ ์‚ฌ์šฉํ•ด์•ผ ํ•˜๋Š” ์ƒํ™ฉ์„ ๋‘ ๊ฐ€์ง€ ์ด์ƒ ์˜ˆ๋กœ ๋“ค์–ด ์„ค๋ช…ํ•˜์‹œ์˜ค. -

Architecture

Question Answer
MVC, MVVM, Viper ๋“ฑ ์ž์‹ ์ด ์•Œ๊ณ ์žˆ๋Š” ์•„ํ‚คํ…์ณ๋ฅผ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
์˜์กด์„ฑ ์ฃผ์ž…์— ๋Œ€ํ•˜์—ฌ ์„ค๋ช…ํ•˜์‹œ์˜ค.

Functional Programming

Question Answer
ํ•จ์ˆ˜ํ˜• ํ”„๋กœ๊ทธ๋ž˜๋ฐ์ด ๋ฌด์—‡์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
๊ณ ์ฐจ ํ•จ์ˆ˜๊ฐ€ ๋ฌด์—‡์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
Swift Standard Library์˜ map, filter, reduce, compactMap, flatMap์— ๋Œ€ํ•˜์—ฌ ์„ค๋ช…ํ•˜์‹œ์˜ค. Done


Optional

Advanced

Question Answer
Protocol์—์„œ๋Š” ์™œ var๋งŒ ๋˜๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์š”. -
sync ๋ฐฉ์‹๊ณผ async ๋ฐฉ์‹์œผ๋กœ URL Connection์„ ์ฒ˜๋ฆฌํ•  ๊ฒฝ์šฐ์˜ ์žฅ๋‹จ์ ์„ ๋น„๊ตํ•˜์‹œ์˜ค. -
method swizzling์ด ๋ฌด์—‡์ด๊ณ , ์–ด๋–จ ๋•Œ ์‚ฌ์šฉํ•˜๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
NSCoder ํด๋ž˜์Šค๋Š” ์–ด๋–ค ์ƒํ™ฉ์—์„œ ์–ด๋–ป๊ฒŒ ์จ์•ผ ํ•˜๋Š”์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
Responder Chain ๊ตฌ์กฐ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜๊ณ , First Responder ์—ญํ• ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. Done
NSObject๋ถ€ํ„ฐ UIButton ๊นŒ์ง€ ์ƒ์† ๊ณผ์ •์˜ ๊ณ„์ธต๊ณผ ์—ญํ• ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
shallow copy์™€ deep copy์˜ ์ฐจ์ด์ ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
Push Notification ๋ฐฉ์‹์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. -
Foundation ๊ณผ Core Foundation ํ”„๋ ˆ์ž„์›Œํฌ์˜ ์ฐจ์ด์ ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
NSURLConnection ์—์„œ ์‚ฌ์šฉํ•˜๋Š” Delegate ๋ฉ”์„œ๋“œ๋“ค์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. -
plist ํŒŒ์ผ ๊ตฌ์กฐ์™€ plist ํŒŒ์ผ์— ์ €์žฅ๋œ ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ค๋ฃจ๊ธฐ ์ ํ•ฉํ•œ ํด๋ž˜์Šค๋ฅผ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
Core Data์™€ Sqlite ๊ฐ™์€ ๋ฐ์ดํ„ฐ ๋ฒ ์ด์Šค์˜ ์ฐจ์ด์ ์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
JSON ๋ฐ์ดํ„ฐ๋ฅผ ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐฉ์‹๊ณผ ํŒŒ์„œ, ๊ฐ์ฒด ๋ณ€ํ™˜ ๋ฐฉ์‹์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜์‹œ์˜ค. -
์›น ์„œ๋ฒ„์™€ HTTP ์—ฐ๊ฒฐ์„ ์‚ฌ์šฉํ•ด์„œ ๋ฐ์ดํ„ฐ๋ฅผ ์ฃผ๊ฑฐ๋‚˜ ๋ฐ›์œผ๋ ค๋ฉด ์‚ฌ์šฉํ•ด์•ผ ํ•˜๋Š” ํด๋ž˜์Šค์™€ ๋™์ž‘์„ ์„ค๋ช…ํ•˜์‹œ์˜ค. -

Combine

Question Answer
PassthroughSubject์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค -
@Published์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค -
Anycancleable์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค -
sink์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜์‹œ์˜ค -

Rx

Question Answer
Reactive Programming์ด ๋ฌด์—‡์ธ์ง€ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
RxSwift์—์„œ Hot Observable๊ณผ Cold Observable์˜ ์ฐจ์ด๋ฅผ ์„ค๋ช…ํ•˜์‹œ์˜ค. -
Subject์™€ drive์˜ ์ฐจ์ด๋ฅผ ์„ค๋ช…ํ•˜์‹œ์˜ค. -

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๐Ÿ‘จโ€๐Ÿซ iOS ๊ธฐ์ˆ  ๋ฉด์ ‘์„ ์ค€๋น„ํ•˜๋Š” ๋ ˆํฌ

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