【发布时间】:2021-05-04 03:52:36
【问题描述】:
当我尝试在终端中使用“flutter run”在 android 上运行应用程序时,出现以下错误...
/C:/Users/Acer/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/provider-3.2.0/lib/src/delegate_widget.dart:194:18: Error: Superclass has no method named 'inheritFromElement'.
return super.inheritFromElement(ancestor, aspect: aspect);
^^^^^^^^^^^^^^^^^^
/C:/Users/Acer/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/provider-3.2.0/lib/src/provider.dart:259:19: Error: The method 'inheritFromWidgetOfExactType' isn't defined for the class 'BuildContext'.
- 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/D:/Flutter/flutter/packages/flutter/lib/src/widgets/framework.dart').
Try correcting the name to the name of an existing method, or defining a method named 'inheritFromWidgetOfExactType'.
? context.inheritFromWidgetOfExactType(type) as InheritedProvider<T>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
/C:/Users/Acer/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/provider-3.2.0/lib/src/provider.dart:260:19: Error: The method 'ancestorInheritedElementForWidgetOfExactType' isn't defined for the class 'BuildContext'.
- 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/D:/Flutter/flutter/packages/flutter/lib/src/widgets/framework.dart').
Try correcting the name to the name of an existing method, or defining a method named 'ancestorInheritedElementForWidgetOfExactType'.
: context.ancestorInheritedElementForWidgetOfExactType(type)?.widget
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
/C:/Users/Acer/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/flutter_svg-0.18.1/lib/src/picture_provider.dart:50:59: Error: No named parameter with
the name 'nullOk'.
context != null ? Localizations.localeOf(context, nullOk: true) : null,
^^^^^^
/D:/Flutter/flutter/packages/flutter/lib/src/widgets/localizations.dart:413:17: Context: Found this candidate, but the arguments don't match.
static Locale localeOf(BuildContext context) {
^^^^^^^^
FAILURE: Build failed with an exception.
* Where:
Script 'D:\Flutter\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 991
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'D:\Flutter\flutter\bin\flutter.bat'' finished with non-zero exit value 1
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 1m 50s
Running Gradle task 'assembleDebug'...
Running Gradle task 'assembleDebug'... Done 121.0s
Exception: Gradle task assembleDebug failed with exit code 1
问题是昨天它工作正常,但今天它显示此错误消息。 请帮忙解决。
【问题讨论】:
-
检查你的颤振频道。我把我的换成稳定的,它起作用了。另外,升级到最新的颤振版本。
-
我遇到了类似的问题。降级颤振解决了这个问题。
-
请接受解决您问题的答案。它也会帮助其他正在寻找解决方案的人。
标签: flutter visual-studio-code