color2 Flutter - Cannot provide both a color and a decorationTo provide both, use "decoration: BoxDecoration(color: color)". 오류 Cannot provide both a color and a decoration To provide both, use "decoration: BoxDecoration(color: color)". 'package:flutter/src/widgets/container.dart': Failed assertion: line 270 pos 15: 'color == null || decoration == null' 이유 Container 위젯 안에 색 설정이 중복으로 들어가서 발생한 오류이기에, BoxDecoration 에서만 배경색을 설정하면 된다. 잘못된 형식 Container( decoration: BoxDecoration( color: Colors.red, ... ), ... color: Colors... 2023. 11. 24. XML 에서 색상 투명도 - Color opacity/alpha value Android 의 XML에서 색상 투명도 단계Color opacity/alpha value 100% — FF 99% — FC 98% — FA 97% — F7 96% — F5 95% — F2 94% — F0 93% — ED 92% — EB 91% — E8 90% — E6 89% — E3 88% — E0 87% — DE 86% — DB 85% — D9 84% — D6 83% — D4 82% — D1 81% — CF 80% — CC 79% — C9 78% — C7 77% — C4 76% — C2 75% — BF 74% — BD 73% — BA 72% — B8 71% — B5 70% — B3 69% — B0 68% — AD 67% — AB 66% — A8 65% — A6 64% — A3 63% — A1 62% .. 2018. 9. 7. 이전 1 다음
