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flutter state

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[ Flutter / State ] Flutter์˜ ์ƒํƒœ๊ด€๋ฆฌ ํ›‘์–ด๋ณด๊ธฐ. * Flutter ๊ณต์‹ ํ™ˆํŽ˜์ด์ง€์˜ State management ๋ฅผ ๊ฐ„๋‹จํ•˜๊ฒŒ ํ•ด์„ & ์ •๋ฆฌ ํ•œ ๊ธ€. Flutter UI์˜ ๊ฐ€์žฅ ํฐ ํŠน์ง•์€ ๋‹ค๋ฅธ UI ํ”„๋ ˆ์ž„์›Œํฌ์—์„œ ์‚ฌ์šฉํ•˜๋Š” ๋ช…๋ นํ˜• ๋ฐฉ์‹๊ณผ๋Š” ๋‹ค๋ฅด๊ฒŒ ์„ ์–ธํ˜• UI๋ผ๋Š” ์ ์ด๋‹ค. ๋ช…๋ นํ˜• ๋ฐฉ์‹์˜ UI ํ”„๋กœ๊ทธ๋ž˜๋ฐ์€ UI๊ฐœ์ฒด๋ฅผ ์ผ์ผ์ด ๊ตฌ์„ฑํ•˜๊ณ , ๋‚˜์ค‘์— UI๊ฐ€ ๋ฐ”๋€Œ๋ฉด ๋ฉ”์„œ๋“œ์™€ setter๋“ค์„ ์ด์šฉํ•˜์—ฌ ๋ณ€๊ฒฝํ•˜๋Š” ์šฐ๋ฆฌ์—๊ฒŒ ์ต์ˆ™ํ•œ ๋ฐฉ์‹์ด๋‹ค. ์ด์™€ ๋ฐ˜๋Œ€๋กœ Flutter๋Š” ํ˜„์žฌ์˜ UI ์ƒํƒœ๋งŒ ๋ฌ˜์‚ฌํ•˜๊ณ , ๋ณ€ํ™”๋Š” ํ”„๋ ˆ์ž„์›Œํฌ์— ๋งก๊ธฐ๋„๋ก ํ–ˆ๋‹ค. ๊ทธ๋ž˜์„œ Flutter์—์„œ UI๋ฅผ ์–ด๋–ป๊ฒŒ ๋‹ค๋ฃจ๋Š”์ง€์— ๋Œ€ํ•ด ์‚ฌ๊ณ  ์ „ํ™˜์ด ํ•„์š”ํ•˜๋‹ค. Flutter์˜ ์ƒํƒœ ์†Œ๊ฐœ. - ์ˆ˜๋ช…์ด ์งง์€ ์ƒํƒœ ( Ephemeral State ) - ์•ฑ ์ƒํƒœ ( App State ) 1. ์ˆ˜๋ช…์ด ์งง์€ ์ƒํƒœ ( Ephemeral..

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