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์•ˆ๋…•ํ•˜์„ธ์š”, ๊ฐ์žก๋‹ˆ๋‹ค?๐Ÿฅ” ^___^ ๐Ÿ˜บ github ๋ฐ”๋กœ๊ฐ€๊ธฐ ๐Ÿ‘‰๐Ÿป
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Xcode 4

[UIKit] UIResponder (feat. Responder, Responder Chain, FirstResponder)

์˜ค๋Š˜๋ถ€ํ„ฐ ๋ฏธ๋ผํด ๋ชจ๋‹ ์‹œ๊ฐ„์— 1์ผ 1์œ ์•„์ดํ‚ท ํฌ์ŠคํŒ…์„ ํ•ด๋ณด๋ ค๊ณ ํ•œ๋‹ค. ๊ตฌํ˜„์œ„์ฃผ์˜ ๊ณต๋ถ€๋ฅผ ํ•˜๋‹ค๋ณด๋‹ˆ, ๊ธฐ์ดˆ์ง€์‹์ด ๋„ˆ๋ฌด ๋ถ€์กฑํ•˜๋‹ค๊ณ  ๋Š๊ปด์กŒ๊ณ , UIKit์˜ ๊ตฌ์กฐ๋ฅผ ์ •ํ™•ํ•˜๊ฒŒ ํŒŒ์•…ํ•˜๊ณ  ์‹ถ์–ด์„œ ์‹œ์ž‘! ๐Ÿ”ต UIResponder xcodeํ”„๋กœ์ ํŠธ๋ฅด ๋งŒ๋“ค๋ฉด AppDelegate์™€ SceneDelegate๋ฅผ ์ฒ˜์Œ์œผ๋กœ ์ ‘ํ•˜๊ฒŒ ๋˜๋Š”๋ฐ, ์ด ๋‘๊ฐœ์˜ ํด๋ž˜์Šค๋Š” ๋™์ผํ•˜๊ฒŒ "UIResponder"๋ฅผ ์ƒ์†๋ฐ›๋Š”๋‹ค. ์šฐ์„  ๊ณต์‹๋ฌธ์„œ๊ฐ€ ์ •์˜ํ•œ ๊ฐœ๋…๋ถ€ํ„ฐ ์ฐจ๊ทผ์ฐจ๊ทผ ์ฝ์–ด๋ณด์ž. https://developer.apple.com/documentation/uikit/uiresponder Apple Developer Documentation developer.apple.com An abstract interface for responding to and ha..

Swift/UIKit 2022.07.07

[Core Data] Core Data ๊ฐœ๋… ๋จผ์ € ์ดํ•ดํ•˜๊ณ  ์‹œ์ž‘ํ•ด๋ณด๊ธฐ

์•ˆ๋…•ํ•˜์„ธ์š”, ๊ฐ์ž์ž…๋‹ˆ๋‹ค. ์ด๋ฒˆ์— ์ƒˆ๋กœ์šด ํ”„๋กœ์ ํŠธ๋ฅผ ์ง„ํ–‰ํ•˜๋ฉด์„œ Core Data๋ฅผ ์จ๋ณด๋ ค๊ณ  ํ•˜๋Š”๋ฐ์š”, ๊ทธ ์ „์— core data๊ฐ€ ๋ญ”์ง€๋ถ€ํ„ฐ ์ดํ•ดํ•˜๊ณ  ๋„˜์–ด๊ฐ€๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค! ํŒ€์›๋“ค ๋ชจ๋‘๊ฐ€ core data ์— ์ต์ˆ™ํ•˜์ง€ ์•Š์•„์„œ ์–ด๋ ค์šด ๊ธธ์ด๊ฒ ์ง€๋งŒ,, ์ตœ์„ ์„ ๋‹คํ•ด์„œ,, ์–ด์ฐŒ์ €์ฐŒ ๊ตฌํ˜„์„ ํ•ด๋ณด๋Š”๊ฒŒ ๋ชฉํ‘œ์ž…๋‹ˆ๋‹ค. ํ›„ํ›„ ๊ทธ๋Ÿผ start - ! ๐Ÿ’ป Core Data๋ž€? ๊ฐ„๋žตํ•˜๊ฒŒ ๋งํ•ด์„œ, Core Data๋ž€ macOS ๋ฐ iOS ์šด์˜ ์ฒด์ œ์—์„œ Apple์ด ์ œ๊ณตํ•˜๋Š” ๊ฐ์ฒด ๊ทธ๋ž˜ํ”„ ๋ฐ ์ง€์†์„ฑ ํ”„๋ ˆ์ž„์›Œํฌ์ž…๋‹ˆ๋‹ค. ๊ตฌ์ฒด์ ์ธ ์„ค๋ช…์€ ์•„๋ž˜ ๊ณต์‹ ๋ฌธ์„œ์—์„œ ํ™•์ธํ•ด๋ณผ ์ˆ˜ ์žˆ๋Š”๋ฐ์š”, https://developer.apple.com/documentation/coredata Apple Developer Documentation developer.ap..

Swift/Core Data 2022.06.08

[Swift] ๊ณต์‹ ๋ฌธ์„œ ์ •๋ฆฌ (16) - Optional Chaining (์˜ต์…”๋„ ์ฒด์ด๋‹, ?)

์•ˆ๋…•ํ•˜์„ธ์š”, ๊ฐ์ž์ž…๋‹ˆ๋‹ค. ์˜ค๋žœ๋งŒ์— ๋Œ์•„์˜จ ๊ฒƒ ๊ฐ™์€๋ฐ์š”, (์•„๋‹Œ๊ฐ€ ใ…Ž) ์š”์ฆ˜ ์Šคํ„ฐ๋””๋งŒ ์ง„ํ–‰ํ•˜๊ณ  ์Šคํ„ฐ๋””ํ•œ ๋‚ด์šฉ์„ ์—…๋กœ๋“œํ•˜๋Š” ๊ฒƒ์„ ๊นŒ๋จน์—ˆ๋„ค์š”. ๊ทธ๋ฆฌ๊ณ  ์‚ฌ๋žŒ์ด๋ผ๋Š”๊ฒŒ,, ์กฐ๊ธˆ ์š”์ฆ˜ ๋‚˜ํƒœํ•ด์ ธ์„œ ใ… ใ…  ๋‹ค์‹œ ํ•œ๋ฒˆ ํ™”์ดํŒ… ์™ธ์น˜๊ณ  ๊ฐ“์ƒ์‚ด๊ธฐ ๋‹ค์‹œ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค ํ—ˆํ—› Swift Document chap16. optional chaining ๋ณด๋Ÿฌ๊ฐ€๊ธฐ Optional Chaining — The Swift Programming Language (Swift 5.6) Optional Chaining Optional chaining is a process for querying and calling properties, methods, and subscripts on an optional that might currently be nil...

[Swift] ๊ณต์‹ ๋ฌธ์„œ ์ •๋ฆฌ (8) - Enumerations (์—ด๊ฑฐํ˜•)

์•ˆ๋…•ํ•˜์„ธ์š”, ๊ฐ์ž์ž…๋‹ˆ๋‹ค. ์˜ค๋Š˜์€ enumerations์— ๋Œ€ํ•ด์„œ ์ •๋ฆฌํ•ด๋ณด์•˜์Šต๋‹ˆ๋‹ค. swift ๊ฐœ๋ฐœ์ž ๋‹จํ†ก๋ฐฉ์—์„œ ๋งˆ์นจ ์–ด๋–ค๋ถ„์ด enum์— ๋Œ€ํ•ด์„œ ์‹ค๋ฌด์—์„œ ๋งŽ์ด ์“ฐ์ด๋Š”์ง€ ์—ฌ์ญค๋ดค๋Š”๋ฐ์š”.. (๋‚˜์ด์Šค ํƒ€์ด๋ฐ) ์‹ค๋ฌด์—์„œ๋„ ๊ต‰์žฅํžˆ ๋งŽ์ด ์“ฐ์ธ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ์‹ค๋ฌด์—์„œ ์–ด๋–ป๊ฒŒ ์“ฐ์ด๋Š”์ง€๋Š” ๋‹ค์‹œ๋‹ค์‹œ! ๊ณต๋ถ€ํ•ด๋ณด๋ฉด์„œ ์‚ดํŽด๋ด์•ผ๊ฒ ์ง€๋งŒ, ๊ทธ๋ฆฌ๊ณ  ๊ฒฝํ—˜ํ•ด๋ด์•ผ๊ฒ ์ง€๋งŒ swift์˜ enum์€ ๋‹ค๋ฅธ ์–ธ์–ด์— ๋น„ํ•ด ๊ฐ•๋ ฅํ•œ ์ ์ด ๋งŽ๋‹ค๋ณด๋‹ˆ ์‹ค๋ฌด์—์„œ ํ•„์ˆ˜์ ์ด๋ผ๊ณ  ํ•˜๋„ค์š”. ์—ฌ๋Ÿฌ ์ƒํƒœ๋ฅผ ๋‚˜ํƒ€๋‚ด์•ผํ•  ๋•Œ๋‚˜, ๋ญ ๊ฐ€๋…์„ฑ๋ถ€๋ถ„์—์„œ๋„ ํฐ ์—ญํ• ์„ ํ•œ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ์‹ค๋ฌด๋ฅผ ๊ฒฝํ—˜ํ•˜๊ธฐ ์ „์— enum์— ๋Œ€ํ•œ ์‚ฌ์šฉ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด์„œ ์ž˜ ์•Œ์•„๋ณด๊ณ  ๊ณต๋ถ€ํ•ด์•ผ๊ฒ ๋‹ค๊ณ  ๋Š๊ผˆ์Šต๋‹ˆ๋‹ค.ใ…Žใ…Ž (๋‰ด๋น„์™€ ๊ณ ์ˆ˜์˜ ์ฐจ์ด๋Š” enum์„ ์–ผ๋งˆ๋‚˜ ์ž˜์“ฐ๋ƒ๋กœ ๊ฐˆ๋ฆฐ๋‹ค๊ณ ๋„ ํ•ฉ๋‹ˆ๋‹ค ํ•˜ํ•˜ํ•˜ํ•ซ) ์Šค์œ„ํ”„ํŠธ ์Šคํ„ฐ๋””๋ฅผ ํ•˜๋ฉด์„œ ์Šคํ„ฐ๋””์›๋ถ„..

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