我正在尝试使用以下库:
称为http
当我尝试在网络上运行代码时,我发现以下错误:
编译器消息:
Launching lib\main.dart on Chrome in debug mode...
main.dart:1
/C:/Users/ashra/AppData/Local/Pub/Cache/hosted/pub.dev/http-1.1.0/lib/src/browser_client.dart:79:7: Error: The getter 'completer7' isn't defined for the class 'BrowserClient'.
- 'BrowserClient' is from 'package:http/src/browser_client.dart' ('/C:/Users/ashra/AppData/Local/Pub/Cache/hosted/pub.dev/http-1.1.0/lib/src/browser_client.dart').
browser_client.dart:1
Try correcting the name to the name of an existing getter, or defining a getter or field named 'completer7'.
completer7.completeError(
^^^^^^^^^^
很有可能是因为您没有使用最新版本的 flutter。 您可以通过运行更新:
flutter upgrade
当将syncfusion_flutter_sliders包添加到我的Flutter项目中时,我遇到了同样的问题。 和
flutter upgrade
有帮助