๋ชฉ๋ก๐Ÿ”จ์‚ฝ์งˆ์ผ๊ธฐ (3)

Hello, ๋‚˜๋‚˜'s world !

Git ) This branch has conflicts that must be resolved

ํŒ€์›๋“ค๊ณผ git์œผ๋กœ ํ˜‘์—…ํ•˜๋‹ค๋ณด๋ฉด ๊ฐ์ž branch๋ฅผ ๋งŒ๋“ค์–ด์„œ main ํ˜น์€ master ๋ธŒ๋žœ์น˜์— merge ์‹œํ‚ค๊ณค ํ•œ๋‹ค. ํ•˜์ง€๋งŒ! merge๊ฐ€ ๋งˆ์Œ๋Œ€๋กœ ๋˜์ง€์•Š์„๋•Œ๊ฐ€ ์žˆ๋‹ค. "This branch has conflicts that must be resolved" ํ•ด๊ฒฐํ•ด์•ผํ•  ์ถฉ๋Œ์ด ์žˆ๋‹ค๋Š” ๊ฒƒ์ธ๋ฐ ์ด๋•Œ๋Š” ์ถฉ๋Œ๋œ ์ฝ”๋“œ๋ถ€๋ถ„๋“ค์„ ์ˆ˜์ •ํ•˜๊ณ  ๋‹ค์‹œ ์ปค๋ฐ‹ ํ‘ธ์‰ฌํ•˜๋ฉด ๋œ๋‹ค. ๋ฐ์Šคํฌํ†ฑ์—์„œ ์ง„ํ–‰ํ•˜์—ฌ๋„ ์ข‹์ง€๋งŒ ๊ฐ‘์ž๊ธฐ ์ปด์ด ๋‚˜๊ฐ€๋ฒ„๋ฆฌ๋ฉด ์ฒจ๋ถ€ํ„ฐ ๋‹ค์‹œํ•ด์•ผํ•˜๋Š” ๋ฒˆ๊ฑฐ๋กœ์›€์ด ... ๐Ÿ˜ฑ ๊ทธ๋ž˜์„œ Git Bash ์ด์šฉ์„ ์ถ”์ฒœํ•œ๋‹ค. git merge master git add . git commit -m "์ ๊ณ ์‹ถ์€๋ง" git push origin branchname git merge master๋ฅผ ํ•˜๊ฒŒ๋˜๋ฉด (Android Studio ๊ธฐ์ค€) ์ถฉ๋Œ๋‚œ ..

Attempt to invoke virtual method 'void androidx.constraintlayout.widget.Constrai

๋ฒ„ํŠผ์„ ๋ˆ„๋ฅด๋ฉด ํŒŒ์ด์–ด๋ฒ ์ด์Šค DB์— ์ž˜ ๋“ค์–ด๊ฐ€์•ผ ํ•˜๋Š”๋ฐ ์•ˆ๋“ค์–ด๊ฐ€๋Š” ๊ฒƒ์ด๋‹ค.......์™œ Null๊ฐ’์ด์ง€?! ์—…๋กœ๋“œ ํ•˜๋Š” ์ฝ”๋“œ๋Š” ์•„๋ฌด๋ฆฌ ๋ˆˆ์”ป๊ณ  ๋ด๋„ ๋“ค์–ด๊ฐ€์•ผ ํ•˜๋Š” ์ฝ”๋“œ๊ธธ๋ž˜ ํ˜น์‹œ ํŒจํ‚ค์ง€๋ช…์„ ๋ฐ”๊ฟจ๋‹ค๊ฐ€ ๋˜๋Œ๋ฆฐ๊ฒŒ ๋ฌธ์ œ๊ฐ€ ์•„๋‹Œ์ง€ ํŒจํ‚ค์ง€๋ช…, build.gradle์˜ ํŒจํ‚ค์ง€๋ช…, google-server.json์˜ ํŒจํ‚ค์ง€๋ช…๋„ ํ™•์ธํ•ด ๋ณด์•˜๋‹ค. .....๊ณ„์† ์•ˆ๋ผ์„œ ํŒŒ๋ฒ ์˜ json ์„ ๋‹ค์‹œ ๋‹ค์šด๋กœ๋“œ ํ•ด๋ณด๊ธฐ๋„ ํ–ˆ์Œ.... ๊ทผ๋ฐ...................................๋ชจ๋ธ ํด๋ž˜์Šค ์ž์ฒด๊ฐ€ ์—๋Ÿฌ์˜€๋‹ค . ์ž๊ธฐ ์ž์‹ ์„ ์ฐธ์กฐํ•˜๊ณ  ์žˆ์—ˆ๋‹ค ใ… ใ… ใ… ใ…  (Alt+์—”ํ„ฐ์˜ ๋‚จ์šฉ์ด ์ด๋ ‡๊ฒŒ ๋ฌด์„ญ์Šต๋‹ˆ๋‹ค..ใ…Žใ…Ž) public LetterContants(String sender, String contants, String date) { t..