由于此错误，我的应用程序未构建，并且我无法理解该错误。我尝试了“颤振升级”和“颤振获取”，但没有任何帮助。
Launching lib/main.dart on SM A127F in debug mode...
Running Gradle task 'assembleDebug'...
../../flutter/.pub-cache/hosted/pub.dartlang.org/fwfh_text_style-2.7.3+2/lib/fwfh_text_style.dart:11:7: Error: The non-abstract class 'FwfhTextStyle' is missing implementations for these members:
- TextStyle.fontVariations
Try to either
- provide an implementation,
- inherit an implementation from a superclass or mixin,
- mark the class as abstract, or
- provide a 'noSuchMethod' implementation.
class FwfhTextStyle extends _TextStyleProxy {
^^^^^^^^^^^^^
../../flutter/packages/flutter/lib/src/painting/text_style.dart:789:33: Context: 'TextStyle.fontVariations' is defined here.
final List<ui.FontVariation>? fontVariations;
^^^^^^^^^^^^^^
FAILURE: Build failed with an exception.
* Where:
Script …