[Flutter] FractionallySizedBox class ์ •๋ฆฌ

2022. 7. 6. 00:43ยท๐Ÿ’ง flutter
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FractionallySizedBox class

FractionallySizedBox class๋Š” ์ƒ์œ„ ๋ถ€๋ชจ์˜ ์‚ฌ์ด์ฆˆ ๋น„์œจ์— ๋งž๊ฒŒ ๋งŒ๋“œ๋Š” ๊ฒƒ์ด๋‹ค.
์ฆ‰ ๋””์ž์ธ์˜ ํฌ๊ธฐ๊ฐ€ ์ƒ๋Œ€์ ์ด์–ด์•ผ ํ•  ๋•Œ ํฌ๊ธฐ๋ฅผ ์ƒ์œ„ ๋ถ€๋ชจ์˜ ์‚ฌ์ด์ฆˆ๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ๋น„์œจ๋กœ ํ‘œํ˜„ํ•˜๋Š” ๊ฒƒ์ด๋‹ค.

example)

  • FractionallySizedBox๋ฅผ ์‚ฌ์šฉํ•ด์„œ ์ƒ์œ„ ๋ถ€๋ชจ์˜ ์‚ฌ์ด์ฆˆ ๋น„์œจ์„ ์ง€์ •ํ•˜์—ฌ child์˜ ํฌ๊ธฐ๋ฅผ ์ •ํ•˜๊ณ  ์žˆ๋‹ค.
  • ์ฝ”๋“œ์—์„œ 0.7์€ 70%๋ฅผ ๋‚˜ํƒ€๋‚ธ๋‹ค. ์ฆ‰ ์ƒ์œ„ ๋ถ€๋ชจ ์‚ฌ์ด์ฆˆ์˜ 70%๋งŒํผ child๋ฅผ ๋งŒ๋“ค๊ฒ ๋‹ค๋Š” ์˜๋ฏธ์ด๋‹ค.
  • widthFactor์ฒ˜๋Ÿผ heightFactor์„ ์‚ฌ์šฉํ•˜์—ฌ ๋†’์ด์˜ ๋น„์œจ๋„ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋‹ค.


์ด์ฒ˜๋Ÿผ FractionallySizedBox class๋Š” ์ƒ์œ„ ๋ถ€๋ชจ์˜ ์‚ฌ์ด์ฆˆ ๋น„์œจ๋กœ ํฌ๊ธฐ๋ฅผ ์ง€์ •ํ•  ๋•Œ ์‚ฌ์šฉํ•œ๋‹ค.

 

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