[Flutter/ํ”Œ๋Ÿฌํ„ฐ] BuildContext ๋ž€?

2022. 4. 6. 01:17ยท ๊ฐœ๋ฐœ/Flutter
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ํ”Œ๋Ÿฌํ„ฐ๋กœ ์ฝ”๋“œ๋ฅผ ์ ์–ด๋‚ด๋ ค๊ฐˆ ๋•Œ๋ฉด ๊ณ„์†ํ•ด์„œ ๋ณด๊ฒŒ๋˜๋Š” ๋‹จ์–ด, BuildContext ... 

๊ทธ๋ƒฅ ๋‹จ์ˆœํ•˜๊ฒŒ context๋ผ๋Š” ์–ด๋–ค ์ธ์ž๋ฅผ ๋ฐ›๋Š” ๋ฉ”์†Œ๋“œ๋ผ๊ณ  ์ƒ๊ฐํ–ˆ๋Š”๋ฐ, ์ฝ”๋”ฉ์…ฐํ”„๋‹˜์ด ์—ฌ๊ธฐ์— ๋Œ€ํ•œ ์ด์•ผ๊ธฐ๋ฅผ ๊ฐ•์˜๋ฅผ ๋งŒ๋“œ์…จ๋‹ค. ์—ฌ์ „ํžˆ ์ž˜ ์ดํ•ด๋Š” ์•ˆ ๋˜์ง€๋งŒ ์ฝ”๋”ฉ์…ฐํ”„๋‹˜์˜ ์ด์•ผ๊ธฐ๋ฅผ ๊ฐ„๋‹จํ•˜๊ฒŒ ์š”์•ฝํ•ด๋ณด์•˜๋‹ค 

 

 

 

๋ถ‰์€์„ ์„ ๊ทธ์–ด๋‘” ๊ณณ ใ…Ž..

 

 

 

โ—พ A handle to the location of a widget in the widget tree

์œ„์ ฏ ํŠธ๋ฆฌ์—์„œ ํ˜„์žฌ ์œ„์ ฏ์˜ ์œ„์น˜๋ฅผ ์•Œ ์ˆ˜ ์žˆ๋Š” ์ •๋ณด

 

๋ชจ๋“  Widget์€ BuildMethod๋ฅผ ๊ฐ€์ง„๋‹ค. ๊ทธ๋ฆฌ๊ณ  ๊ทธ ์œ„์ ฏ์€ ๊ณ„์ธต ๊ตฌ์กฐ๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ๋‹ค. 

Buildmethod๋Š” scaffold๋ฅผ ๋ฆฌํ„ดํ•˜๋Š”๋ฐ context(์ธ์ž๊ฐ’)์„ ๋„ฃ์–ด์„œ ํ•œ๋‹ค. 

 

 

โ—พ Each widget has its own BuildContext, which becomes the parent of the widget returned by the StatelessWidget.build or State.build function.

BuildContext๋Š” statelessWidget์ด๋‚˜  state build method์— ์˜ํ•ด์„œ ๋ฆฌํ„ด ๋œ ์œ„์ ฏ์˜ ๋ถ€๋ชจ๊ฐ€ ๋œ๋‹ค

 

๊ทธ๋Ÿฌ๋‹ˆ๊น, scaffold widget์€ Mypage widget build method๋ฅผ ํ†ตํ•ด์„œ context๋ฅผ ๋ฌผ๋ ค๋ฐ›๋Š”๋‹ค. ๊ทธ๋ฆฌ๊ณ  ๊ทธ ์•„๋ž˜์— scaffold์œ„์ ฏ์˜ ์ง„์งœ context๋ฅผ ๊ฐ€์ง„ ์œ„์ ฏ์„ ๋งŒ๋“ค ์ˆ˜ ์žˆ๋‹ค. 

 

 

 

 

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[Flutter/ํ”Œ๋Ÿฌํ„ฐ] BuildContext ๋ž€?
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