MissingPluginException（在通道 flutter_inapp 上找不到方法 initConnection 的实现）

Question

未处理的异常：MissingPluginException（在频道 flutter_inapp 上没有找到方法 initConnection 的实现）。当我为 android 使用 Flutter 应用内购买插件时，发生 MissingPluginException 异常。 在 iOS 上，它运行良好

当我运行或调试应用程序时，它给出了以下错误：

E/flutter ( 7718): [ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: MissingPluginException(No implementation found for method initConnection on channel flutter_inapp)
E/flutter ( 7718): #0      MethodChannel._invokeMethod
package:flutter/…/services/platform_channel.dart:157
E/flutter ( 7718): <asynchronous suspension>
E/flutter ( 7718): #1      MethodChannel.invokeMethod
package:flutter/…/services/platform_channel.dart:332
E/flutter ( 7718): #2      FlutterInappPurchase.initConnection
package:flutter_inapp_purchase/flutter_inapp_purchase.dart:85
E/flutter ( 7718): <asynchronous suspension>
E/flutter ( 7718): #3      PaymentService.initConnection
package:social_app/services/payment_service.dart:98
E/flutter ( 7718): #4      _CourseTabState.fetchCarevanAcademy
package:social_app/…/course_tab/course_tab.dart:96
E/flutter ( 7718): <asynchronous suspension>
E/flutter ( 7718): #5      _CourseTabState.initState
package:social_app/…/course_tab/course_tab.dart:38
E/flutter ( 7718): #6      StatefulElement._firstBuild
package:flutter/…/widgets/framework.dart:4765
E/flutter ( 7718): #7      ComponentElement.mount
package:flutter/…/widgets/framework.dart:4601
E/flutter ( 7718): #8      Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter ( 7718): #9      MultiChildRenderObjectElement.mount
package:flutter/…/widgets/framework.dart:6236
E/flutter ( 7718): #10     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter ( 7718): #11     Element.updateChild
package:flutter/…/widgets/framework.dart:3327
E/flutter ( 7718): #12     ComponentElement.performRebuild
package:flutter/…/widgets/framework.dart:4652
E/flutter ( 7718): #13     Element.rebuild
package:flutter/…/widgets/framework.dart:4343
E/flutter ( 7718): #14     ComponentElement._firstBuild
package:flutter/…/widgets/framework.dart:4606
E/flutter ( 7718): #15     ComponentElement.mount
package:flutter/…/widgets/framework.dart:4601
E/flutter ( 7718): #16     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter ( 7718): #17     Element.updateChild
package:flutter/…/widgets/framework.dart:3327
E/flutter ( 7718): #18     ComponentElement.performRebuild
package:flutter/…/widgets/framework.dart:4652
E/flutter ( 7718): #19     Element.rebuild
package:flutter/…/widgets/framework.dart:4343
E/flutter ( 7718): #20     ComponentElement._firstBuild
package:flutter/…/widgets/framework.dart:4606
E/flutter ( 7718): #21     ComponentElement.mount
package:flutter/…/widgets/framework.dart:4601
E/flutter ( 7718): #22     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter ( 7718): #23     Element.updateChild
package:flutter/…/widgets/framework.dart:3327
E/flutter ( 7718): #24     ComponentElement.performRebuild
package:flutter/…/widgets/framework.dart:4652
E/flutter ( 7718): #25     Element.rebuild
package:flutter/…/widgets/framework.dart:4343
E/flutter ( 7718): #26     ComponentElement._firstBuild
package:flutter/…/widgets/framework.dart:4606
E/flutter ( 7718): #27     ComponentElement.mount
package:flutter/…/widgets/framework.dart:4601
E/flutter ( 7718): #28     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter ( 7718): #29     MultiChildRenderObjectElement.mount
package:flutter/…/widgets/framework.dart:6236
E/flutter ( 7718): #30     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
    

Answer 1

关闭应用程序并执行 flutter run 命令。