问题描述
The current Dart SDK version is 3.0.6.Because flutter_trip depends on cupertino_icons >=0.1.1 <1.0.1 which doesn't support null safety, version solving failed.
原因分析:
cupertino_icons库依赖版本太低不支持空安全
解决方案:
去pub.dev上获取cupertino_icons的最新版本。