В моем предыдущем проекте я использовал плагин flushbar без ошибок.но мой новый проект при попытке использовать flushbar, я получил ошибку ..
Проект работает хорошо без flushbar.
полное сообщение об ошибке
Compiler message:
file:///Users/bhanukaisuru/Documents/flutter/.pub-cache/hosted/pub.dartlang.org/flushbar-1.7.0/lib/flushbar.dart:207:3: Error: Type 'FocusAttachment' not found.
FocusAttachment _focusAttachment;
^^^^^^^^^^^^^^^
file:///Users/bhanukaisuru/Documents/flutter/.pub-cache/hosted/pub.dartlang.org/flushbar-1.7.0/lib/flushbar.dart:207:3: Error: 'FocusAttachment' isn't a type.
FocusAttachment _focusAttachment;
^^^^^^^^^^^^^^^
file:///Users/bhanukaisuru/Documents/flutter/.pub-cache/hosted/pub.dartlang.org/flushbar-1.7.0/lib/flushbar.dart:228:35: Error: The method 'attach' isn't defined for the class 'FocusScopeNode'.
- 'FocusScopeNode' is from 'package:flutter/src/widgets/focus_manager.dart' ('file:///Users/bhanukaisuru/Documents/flutter/packages/flutter/lib/src/widgets/focus_manager.dart').
Try correcting the name to the name of an existing method, or defining a method named 'attach'.
_focusAttachment = _focusNode.attach(context);
^^^^^^
file:///Users/bhanukaisuru/Documents/flutter/.pub-cache/hosted/pub.dartlang.org/flushbar-1.7.0/lib/flushbar.dart:239:16: Error: The method 'dispose' isn't defined for the class 'FocusScopeNode'.
- 'FocusScopeNode' is from 'package:flutter/src/widgets/focus_manager.dart' ('file:///Users/bhanukaisuru/Documents/flutter/packages/flutter/lib/src/widgets/focus_manager.dart').
Try correcting the name to the name of an existing method, or defining a method named 'dispose'.
_focusNode.dispose();
Я попробовал эти четыре версии, но ничего не изменилось
flushbar: ^1.3.0
flushbar: ^1.5.3
flushbar: ^1.7.0
flushbar: ^1.6.0
, а также я использовал,
FocusScope.of(context).requestFocus(FocusNode()),