创建一个flutter 工程,运行报错 请问怎么解决
大神们 创建一个flutter 工程,运行报错“file:///Users/zhangsan/SDK/flutter/packages/flutter/lib/src/material/chip_theme.dart:5:8: Error: Not found: ‘dart:ui’ import ‘dart:ui’ show lerpDouble;”怎么破
大神们 创建一个flutter 工程,运行报错“file:///Users/zhangsan/SDK/flutter/packages/flutter/lib/src/material/chip_theme.dart:5:8: Error: Not found: ‘dart:ui’ import ‘dart:ui’ show lerpDouble;”怎么破