如果我单击'RUN',它将显示"Error: Not found:'dart:ui‘import 'dart:ui';“ /Users/mr8god/Softwares/flutter2/bin/Softwares/flutter2/packages/flutter_test/lib/src/_goldens_io.dart:9:8: Error: Not
我正在设置androidStudio以使用Flutter,但是当我运行flutter doctor时,我看到flutter选择了不可用的SDK平台,我有Android-17,25,27,但它选择了Android-28,它是空的,我如何才能将其更改为使用android-27
virus@ask:~$ flutter doctor Doctor summary (to see all details,