์‚ฝ์งˆ ๋ชจ์Œ

์‚ฝ์งˆ ๋ชจ์Œ ๋ณ„๋„์˜ ํฌ์ŠคํŒ…์„ ํ•˜๊ธฐ์—” ์• ๋งคํ•œ ๊ฐ„๋‹จํ•œ ์‚ฝ์งˆ๋“ค์„ ๊ธฐ๋ก #Android #Java Java ๋ณ„๋„ ํฌ์ŠคํŒ… - '์ฝœ๋ฐฑ for ๋น„๋™๊ธฐ ์ฒ˜๋ฆฌ' Google Firebase์˜ Firestore DB์—์„œ ๊ฐ’์„ ์ฝ์–ด์™€ ์™ธ๋ถ€๋กœ ๋„˜๊ฒจ ์‚ฌ์šฉํ•˜๋ ค๋˜ ์ค‘, Firestore์˜ get๋ฌธ์žฅ์ด ๋น„๋™๊ธฐ๋กœ ์ด๋ค„์ง€๊ธฐ๋•Œ๋ฌธ์—(๋‚˜์ค‘์—), ์™ธ๋ถ€๋กœ ๊ฐ’์„ ์ „๋‹ฌํ•˜๋Š” ์ฝ”๋“œ๊ฐ€ ๊ณง๋ฐ”๋กœ ์‹คํ–‰๋˜์–ด NULL์ƒํƒœ๋กœ or ํ•ด๋‹น๋ณ€์ˆ˜์˜ ์ž๋™์ดˆ๊ธฐํ™”๊ฐ’ ์ƒํƒœ๋กœ ๋„˜์–ด๊ฐ€๋ฒ„๋ฆผ. ์ด์— ๋”ฐ๋ผ, interface๋ฅผ ๊ตฌํ˜„ํ•˜์—ฌ Callback์œผ๋กœ ๊ฐ’์„ ๋ฐ›์•„์˜ด. ์ž์„ธํ•œ ๋‚ด์šฉ์€ ๋ณ„๋„ ์ฐธ์กฐ. ์ƒ๊ฐํ•ด๋ณด๋ฉด, Firebase์—์„œ ์ด๋ฏธ์ง€๋ฅผ ๋ฐ›์•„์˜ฌ๋•Œ๋„ ๋‚˜๋จธ์ง€view๊ฐ€ ๋จผ์ € ๋ณด์—ฌ์ง€๊ณ  ์ด๋ฏธ์ง€๋Š” ํ›„์— ์ถ”๊ฐ€๋กœ ํ‘œ์‹œ๋˜์—ˆ์—ˆ๋‹ค. #Security #Reversing Reversing ๋ณ„๋„ ํฌ..

Etc 2019. 9. 11. 17:28
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