调试报错

[309791679]

使用flutter版本2.5.1\2.2.0
使用版本昨晚7点最新代码
报错原因 找不到 ancestorStateOfType这个方法

详细报错日志
../lib/src/scroll_view_listener.dart:19:41: Error: Method not found: 'TypeMatcher'.
return (context.ancestorStateOfType(TypeMatcher()) as ScrollViewListenerState)?.broadCaseStream;
^^^^^^^^^^^
../lib/src/scroll_view_listener.dart:19:21: Error: The method 'ancestorStateOfType' isn't defined for the class 'BuildContext'.

• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/H:/%E7%BC%96%E7%A8%8B%E7%B1%BB/%E8%BD%AF%E4%BB%B6%E5%BC%80%E5%8F%91%E5%8C%85/flutter_2.5.1/flutter/packages/flutter/lib/src/widgets/framework.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'ancestorStateOfType'.
  return (context.ancestorStateOfType(TypeMatcher()) as ScrollViewListenerState)?.broadCaseStream;
  ^^^^^^^^^^^^^^^^^^^
  ../lib/src/sliver_scroll_listener.dart:60:47: Error: The method 'ancestorRenderObjectOfType' isn't defined for the class 'BuildContext'.
• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/H:/%E7%BC%96%E7%A8%8B%E7%B1%BB/%E8%BD%AF%E4%BB%B6%E5%BC%80%E5%8F%91%E5%8C%85/flutter_2.5.1/flutter/packages/flutter/lib/src/widgets/framework.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'ancestorRenderObjectOfType'.
  RenderSliver renderSliver = context.ancestorRenderObjectOfType(
  ^^^^^^^^^^^^^^^^^^^^^^^^^^
  ../lib/src/sliver_scroll_listener.dart:61:15: Error: The method 'TypeMatcher' isn't defined for the class '_State'.
• '_State' is from 'package:flutter_sliver_tracker/src/sliver_scroll_listener.dart' ('../lib/src/sliver_scroll_listener.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'TypeMatcher'.
  TypeMatcher());
  ^^^^^^^^^^^
  ../lib/src/sliver_scroll_listener.dart:74:47: Error: The method 'ancestorRenderObjectOfType' isn't defined for the class 'BuildContext'.
• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/H:/%E7%BC%96%E7%A8%8B%E7%B1%BB/%E8%BD%AF%E4%BB%B6%E5%BC%80%E5%8F%91%E5%8C%85/flutter_2.5.1/flutter/packages/flutter/lib/src/widgets/framework.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'ancestorRenderObjectOfType'.
  RenderSliver renderSliver = context.ancestorRenderObjectOfType(
  ^^^^^^^^^^^^^^^^^^^^^^^^^^
  ../lib/src/sliver_scroll_listener.dart:75:15: Error: The method 'TypeMatcher' isn't defined for the class '_State'.
• '_State' is from 'package:flutter_sliver_tracker/src/sliver_scroll_listener.dart' ('../lib/src/sliver_scroll_listener.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'TypeMatcher'.
  TypeMatcher());
  ^^^^^^^^^^^
  ../lib/src/sliver_scroll_listener.dart:84:47: Error: The method 'ancestorRenderObjectOfType' isn't defined for the class 'BuildContext'.
• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/H:/%E7%BC%96%E7%A8%8B%E7%B1%BB/%E8%BD%AF%E4%BB%B6%E5%BC%80%E5%8F%91%E5%8C%85/flutter_2.5.1/flutter/packages/flutter/lib/src/widgets/framework.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'ancestorRenderObjectOfType'.
  RenderSliver renderSliver = context.ancestorRenderObjectOfType(
  ^^^^^^^^^^^^^^^^^^^^^^^^^^
  ../lib/src/sliver_scroll_listener.dart:85:15: Error: The method 'TypeMatcher' isn't defined for the class '_State'.
• '_State' is from 'package:flutter_sliver_tracker/src/sliver_scroll_listener.dart' ('../lib/src/sliver_scroll_listener.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'TypeMatcher'.
  TypeMatcher());
  ^^^^^^^^^^^
  ../lib/src/sliver_multi_box_scroll_lintener.dart:35:49: Error: Method not found: 'TypeMatcher'.
  _State state = (context.ancestorStateOfType(TypeMatcher<_State>()) as _State);
  ^^^^^^^^^^^
  ../lib/src/sliver_multi_box_scroll_lintener.dart:35:29: Error: The method 'ancestorStateOfType' isn't defined for the class 'BuildContext'.
• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/H:/%E7%BC%96%E7%A8%8B%E7%B1%BB/%E8%BD%AF%E4%BB%B6%E5%BC%80%E5%8F%91%E5%8C%85/flutter_2.5.1/flutter/packages/flutter/lib/src/widgets/framework.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'ancestorStateOfType'.
  _State state = (context.ancestorStateOfType(TypeMatcher<_State>()) as _State);
  ^^^^^^^^^^^^^^^^^^^
  ../lib/src/scroll_item_offset_mixin.dart:23:71: Error: The method 'ancestorRenderObjectOfType' isn't defined for the class 'BuildContext'.
• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/H:/%E7%BC%96%E7%A8%8B%E7%B1%BB/%E8%BD%AF%E4%BB%B6%E5%BC%80%E5%8F%91%E5%8C%85/flutter_2.5.1/flutter/packages/flutter/lib/src/widgets/framework.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'ancestorRenderObjectOfType'.
  RenderSliverMultiBoxAdaptor renderSliverMultiBoxAdaptor = context.ancestorRenderObjectOfType(TypeMatcher());
  ^^^^^^^^^^^^^^^^^^^^^^^^^^
  ../lib/src/scroll_item_offset_mixin.dart:23:98: Error: The method 'TypeMatcher' isn't defined for the class 'ScrollItemOffsetMixin'.
• 'ScrollItemOffsetMixin' is from 'package:flutter_sliver_tracker/src/scroll_item_offset_mixin.dart' ('../lib/src/scroll_item_offset_mixin.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'TypeMatcher'.
  RenderSliverMultiBoxAdaptor renderSliverMultiBoxAdaptor = context.ancestorRenderObjectOfType(TypeMatcher());