在flutter v1.26.0 中项目运行报错

[TakahashiAiko]

/D:/Flutter/.pub-cache/hosted/pub.flutter-io.cn/pull_to_refresh-1.6.3/lib/src/smart_refresher.dart:273:21: Error: The method 'ancestorWidgetOfExactType' isn't defined for the class 'BuildContext'.

• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/D:/Flutter/packages/flutter/lib/src/widgets/framework.dart'). Try correcting the name to the name of an existing method, or defining a method named 'ancestorWidgetOfExactType'. return context?.ancestorWidgetOfExactType(SmartRefresher); ^^^^^^^^^^^^^^^^^^^^^^^^^

/D:/Flutter/.pub-cache/hosted/pub.flutter-io.cn/pull_to_refresh-1.6.3/lib/src/smart_refresher.dart:277:21: Error: The method 'ancestorStateOfType' isn't defined for the class 'BuildContext'.

• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/D:/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()); ^^^^^^^^^^^^^^^^^^^ /D:/Flutter/.pub-cache/hosted/pub.flutter-io.cn/pull_to_refresh-1.6.3/lib/src/smart_refresher.dart:1003:20: Error: The method 'inheritFromWidgetOfExactType' isn't defined for the class 'BuildContext'.

• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/D:/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'. return context.inheritFromWidgetOfExactType(RefreshConfiguration); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2

FAILURE: Build failed with an exception.

• Where: Script 'D:\Flutter\packages\flutter_tools\gradle\flutter.gradle' line: 991

• What went wrong: Execution failed for task ':app:compileFlutterBuildDebug'.

  Process 'command 'D:\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

[TakahashiAiko]

https://github.com/peng8350/flutter_pulltorefresh/issues/422

[cn1001wang]

我也遇到相同的问题

[cn1001wang]

顺便问一下，

binding的作用是什么，官方文档好像没提，但是用get_cli生成会带上这个。还有就是GetMaterialApp( initialBinding: SplashBinding(), ) initialBinding是什么意思，我看AppPages里又有写binding，根下的initialBinding是起到什么作用。我点进去看他就是?.dependencies()

[greyireland]

替换一下包pull_to_refresh由1.6.3为1.6.4解决了问题

  pull_to_refresh: ^1.6.4

[hestudy]

顺便问一下，

binding的作用是什么，官方文档好像没提，但是用get_cli生成会带上这个。还有就是GetMaterialApp( initialBinding: SplashBinding(), ) initialBinding是什么意思，我看AppPages里又有写binding，根下的initialBinding是起到什么作用。我点进去看他就是?.dependencies()

耦合view与controller