๊พธ์ค€ํ•จ์ด ์ง„๋ฆฌ๋‹ค!!

์–ด์ œ๋ณด๋‹ค ๋ฐœ์ „ํ•œ ์˜ค๋Š˜์ด ๋˜๊ณ ํ”ˆ ๐Ÿง‘๐Ÿปโ€๐Ÿ’ป ์˜ ๋ธ”๋กœ๊ทธ

mvvm 3

[Kotlin][Android] SharedFlow์™€ StateFlow ํ™œ์šฉํ•˜๊ธฐ (feat. UIState ํ™œ์šฉํ•˜์—ฌ ๋ฐ์ดํ„ฐ ํ‘œ์‹œํ•˜๊ธฐ)

์•ˆ๋…•ํ•˜์„ธ์š” ๐Ÿ‘‹ ์ด์ „ ํฌ์ŠคํŒ…์—์„œ LiveData๋ฅผ Coroutine Flow๋กœ ๋ณ€๊ฒฝํ•˜์—ฌ ์ ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ์•„๋ณด์•˜๋Š”๋ฐ์š” ๊ด€๋ จ ํฌ์ŠคํŒ…์€ ์•„๋ž˜ ํฌ์ŠคํŒ…์„ ์ฐธ๊ณ ํ•ด ์ฃผ์„ธ์š” :) [Kotlin][Android] ์•ˆ๋“œ๋กœ์ด๋“œ Coroutine Flow ์ ์šฉํ•˜๊ธฐ (2) ( LiveData๋ฅผ Flow๋กœ ๋ณ€๊ฒฝํ•˜๊ธฐ : LiveData ์™€ Flow ๋น„๊ต ์•ˆ๋…•ํ•˜์„ธ์š” ๐Ÿ‘‹ ์˜ค๋Š˜์€ ์ €๋ฒˆ ํฌ์ŠคํŒ…์— ์ด์–ด LiveData๋ฅผ Flow๋กœ ์ด์ „ํ•˜๋Š” ๊ณผ์ •์„ ํฌ์ŠคํŒ…ํ•ด๋ณด๋ ค ํ•ฉ๋‹ˆ๋‹ค. ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ, LiveData์™€ Flow์˜ ์ฐจ์ด์ ์— ๋Œ€ํ•ด์„œ๋„ ํ•จ๊ป˜ ๋‹ค๋ค„๋ณผ ์˜ˆ์ •์ž…๋‹ˆ๋‹ค ๐Ÿ˜ƒ ์ด์ „ ํฌ์ŠคํŒ…์€ ์•„ devyo-111commit.tistory.com ์˜ค๋Š˜์€ SharedFlow์™€ StateFlow๋ฅผ ํ™œ์šฉํ•˜์—ฌ ํ™”๋ฉด์„ ์–ด๋–ป๊ฒŒ ๊ตฌ์„ฑํ•˜๋Š”์ง€ UIState๋กœ ๊ด€๋ฆฌ๋ฅผ ์–ด๋–ป๊ฒŒ ํ•˜๋Š”์ง€ ..

Android/Kotlin 2023.07.05

[Kotlin][Android] ์•ˆ๋“œ๋กœ์ด๋“œ Room์˜ ์‚ฌ์šฉ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด์„œ

์•ˆ๋…•ํ•˜์„ธ์š” ๐Ÿ‘‹ ์˜ค๋Š˜์€ ์•ˆ๋“œ๋กœ์ด๋“œ Room์˜ ์‚ฌ์šฉ๋ฒ•์— ๋Œ€ํ•ด์„œ ํฌ์ŠคํŒ…ํ•ด๋ณด๋ ค ํ•ฉ๋‹ˆ๋‹ค. Room์ด๋ž€? ์Šค๋งˆํŠธํฐ ๋‚ด์žฅ DB์— ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉํ•˜๋Š” ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋กœ ORM(Object Relational Mapping)๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์ž…๋‹ˆ๋‹ค. Room์€ DB ๋ฐ์ดํ„ฐ๋ฅผ Java ๋˜๋Š” ์ฝ”ํ‹€๋ฆฐ ๊ฐ์ฒด๋กœ ๋งคํ•‘ํ•ด์ฃผ๋ฉฐ, SQLite๋ฅผ ๋‚ด๋ถ€์ ์œผ๋กœ ์‚ฌ์šฉํ•จ์œผ๋กœ์จ DB๋ฅผ ๊ตฌ์กฐ์ ์œผ๋กœ ๋ถ„๋ฆฌํ•˜๊ณ  ๋ฐ์ดํ„ฐ ์ ‘๊ทผ์˜ ํŽธ์˜์„ฑ์„ ๋†’์—ฌ์ฃผ์–ด ์œ ์ง€๋ณด์ˆ˜๋ฅผ ํŽธ๋ฆฌํ•˜๊ฒŒ ํ•ด ์ค๋‹ˆ๋‹ค. Room์˜ ๊ตฌ์กฐ์— ๋Œ€ํ•ด์„œ room์˜ ๊ตฌ์กฐ๋Š” ํฌ๊ฒŒ Database , DAO , Entity๋กœ ๋‚˜๋ˆŒ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์•„๋ž˜๋Š” Room์˜ ๊ตฌ์กฐ์ด๋ฉฐ ๊ฐ๊ฐ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. Entity(์—”ํ‹ฐํ‹ฐ) DB ๋‚ด์˜ Table๋กœ class์˜ ๋ณ€์ˆ˜๋“ค์ด ์นผ๋Ÿผ(column)์ด ๋˜์–ด Table์ด ์ƒ์„ฑ..

Android/Kotlin 2022.12.16

[Kotlin][Android] ์•ˆ๋“œ๋กœ์ด๋“œ MVVM ํŒจํ„ด์— ๋Œ€ํ•ด์„œ - Retrofit์œผ๋กœ ์ „์†ก๋ฐ›์€ ๊ฐ’์„ MVVM๊ตฌ์กฐ ์ ์šฉํ•˜์—ฌ ๊ตฌํ˜„ํ•˜๊ธฐ

์•ˆ๋…•ํ•˜์„ธ์š” ๐Ÿ‘‹ ์˜ค๋Š˜์€ MVVM ํŒจํ„ด์— ๋Œ€ํ•ด์„œ ๊ณต๋ถ€ํ•œ ๋‚ด์šฉ์„ ํฌ์ŠคํŒ…ํ•ด๋ณด๋ ค ํ•ฉ๋‹ˆ๋‹ค. MVVM ํŒจํ„ด์ด๋ž€? MVVM ํŒจํ„ด์€ Model, View, ViewModel์„ ๋ถ„๋ฆฌํ•ด View์™€ Model ๊ฐ„์˜ ์˜์กด์„ฑ์„ ์ค„์—ฌ์ฃผ๋Š” ํŒจํ„ด์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค. View ์ด๋ฒคํŠธ๋ฅผ ๋ฐœ์ƒ์‹œ์ผœ ๋ฐ์ดํ„ฐ๋ฅผ ์š”์ฒญ โฌ‡๏ธ ViewModel View์—์„œ ์š”์ฒญํ•œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ถˆ๋Ÿฌ์˜ค๋Š” ํ•จ์ˆ˜ ๋“ฑ์„ ํ˜ธ์ถœ โฌ‡๏ธ Model ViewModel์—์„œ ์š”์ฒญํ•˜๋Š” ๊ฐ’์„ ๋ฐ˜ํ™˜ โฌ‡๏ธ ViewModel ๋ชจ๋ธ์—์„œ ๋ฐ˜ํ™˜๋ฐ›์€ ๊ฐ’์„ LiveData๋กœ ๊ฐ์‹ธ์คŒ โฌ‡๏ธ View ๋ผ์ด๋ธŒ๋ฐ์ดํ„ฐ๋ฅผ ๊ฐ์ง€ํ•˜์—ฌ ์ถœ๋ ฅ ๊ทธ๋ ‡๋‹ค๋ฉด.. ์™œ MVVMํŒจํ„ด์„ ์‚ฌ์šฉํ• ๊นŒ์š”? ๊ธฐ์กด์— ์‚ฌ์šฉํ•˜๋˜ ํŒจํ„ด์œผ๋ก  MVC , MVP ํŒจํ„ด์ด ์กด์žฌํ•ฉ๋‹ˆ๋‹ค. MVC์˜ ๊ฒฝ์šฐ View์™€ Controller๋ฅผ ์•กํ‹ฐ๋น„ํ‹ฐ์—์„œ ๋ชจ๋‘ ์ฒ˜๋ฆฌํ•ด์•ผ ํ•˜๊ธฐ์— Vie..

Android/Kotlin 2022.11.10