升级到 Flutter 3.1.x 后，该包flutter_pinput不再工作。任何的意见都将会有帮助。它在 flutter 2.xx 中工作正常，我尝试使用修复缓存flutter pub cache repair，并使用清理项目缓存flutter clean。它仍然不起作用。
/C:/Users/Administrator/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/pinput-2.2.11/lib/src/pinput_state.dart:334:14: Error: The method 'FocusTrapArea' isn't defined for the class '_PinputState'.\n - '_PinputState' is from 'package:pinput/src/pinput.dart' ('/C:/Users/Administrator/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/pinput-2.2.11/lib/src/pinput.dart').\n Try correcting the name to the name of an existing method, or defining a method named 'FocusTrapArea'.\n child: FocusTrapArea(\n ^^^^^^^^^^^^^\n \n \n FAILURE: Build failed with an exception.\n \n * Where:\n Script 'D:\\flutter\\packages\\flutter_tools\\gradle\\flutter.gradle' line: 1159\n \n * What went wrong:\n Execution failed for task ':app:compileFlutterBuildDebug'.\n …