没有为类‘setMockMessageHandler’定义BasicMessageChannel<dynamic>

Question

插件flutter_facebook_login使用的是安卓嵌入的不受欢迎的版本。为了避免意外的运行时失败，或者将来的构建失败，请尝试查看这个插件是否支持Android V2嵌入。否则，考虑删除它，因为以后的Flutter版本将删除这些不受欢迎的API。如果您是插件作者，请查看将插件迁移到V2 embedding：https://flutter.dev/go/android-plugin-migration的文档。在调试模式下在Pixel 6上启动lib\main.dart。运行Gradle任务‘assembleDebug’。尝试将名称更正为现有方法的名称，或定义名为“setMockMessageHandler”的方法。/C:/SDK/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_platform_interface-2.2.0/lib/messages.dart:475:15：(动态消息)异步{^channel.setMockMessageHandler错误:未为类“BasicMessageChannel”定义方法“setMockMessageHandler”。

• 'BasicMessageChannel‘来自'package:flutter/src/services/platform_channel.dart’('/C:/SDK/flutter/packages/flutter/lib/src/services/platform_channel.dart').尝试将名称更正为现有方法的名称，或定义名为“setMockMessageHandler”的方法。(动态消息)异步{^ /C:/SDK/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_platform_interface-2.2.0/lib/messages.dart:487:15:错误:未定义方法'setMockMessageHandler‘，因为类'BasicMessageChannel'.
• 'BasicMessageChannel’来自'package:flutter/src/services/platform_channel.dart‘('/C:/SDK/flutter/packages/flutter/lib/src/services/platform_channel.dart').尝试将名称更正为现有方法的名称，或定义名为“setMockMessageHandler”的方法。(动态消息)异步{^ /C:/SDK/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_platform_interface-2.2.0/lib/messages.dart:499:15:错误:未定义方法'setMockMessageHandler‘，因为类'BasicMessageChannel'.
• 'BasicMessageChannel’来自'package:flutter/src/services/platform_channel.dart‘('/C:/SDK/flutter/packages/flutter/lib/src/services/platform_channel.dart').尝试将名称更正为现有方法的名称，或定义名为“setMockMessageHandler”的方法。(动态消息)异步{^ /C:/SDK/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_platform_interface-2.2.0/lib/messages.dart:510:15:错误:未定义方法'setMockMessageHandler‘，因为类'BasicMessageChannel'.
• 'BasicMessageChannel’来自'package:flutter/src/services/platform_channel.dart‘('/C:/SDK/flutter/packages/flutter/lib/src/services/platform_channel.dart').尝试将名称更正为现有方法的名称，或定义名为“setMockMessageHandler”的方法。(动态消息)异步{^ /C:/SDK/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_platform_interface-2.2.0/lib/messages.dart:521:15:错误:未定义方法'setMockMessageHandler‘，因为类'BasicMessageChannel'.
• 'BasicMessageChannel’来自'package:flutter/src/services/platform_channel.dart‘('/C:/SDK/flutter/packages/flutter/lib/src/services/platform_channel.dart').尝试将名称更正为现有方法的名称，或定义名为“setMockMessageHandler”的方法。(动态消息)异步{^ /C:/SDK/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_platform_interface-2.2.0/lib/messages.dart:532:15:错误:未定义方法'setMockMessageHandler‘，因为类'BasicMessageChannel'.
• 'BasicMessageChannel’来自'package:flutter/src/services/platform_channel.dart‘('/C:/SDK/flutter/packages/flutter/lib/src/services/platform_channel.dart').尝试将名称更正为现有方法的名称，或定义名为“setMockMessageHandler”的方法。(动态消息)异步{^ /C:/SDK/flutter/.pub-cache/hosted/pub.dartlang.org/video_player_platform_interface-2.2.0/lib/messages.dart:544:15:错误:未定义方法'setMockMessageHandler‘，因为类'BasicMessageChannel'.
• 'BasicMessageChannel’来自'package:flutter/src/services/platform_channel.dart‘('/C:/SDK/flutter/packages/flutter/lib/src/services/platform_channel.dart').尝试将名称更正为现有方法的名称，或定义名为“setMockMessageHandler”的方法。^^^^^^^^^^^^^^^^^^^^^

((动态消息)异步{channel.setMockMessageHandler)

失败:生成失败，出现异常。

脚本'C:\SDK\flutter\packages\flutter_tools\gradle\flutter.gradle‘行: 1102

问题所在:任务':app:compileFlutterBuildDebug'.的执行失败

进程‘命令’C：\SDK\flutter\bin\flutter.bat‘以非零出口值1完成

• Try:使用--stacktrace选项运行以获得堆栈跟踪。使用--info或-调试选项运行以获得更多日志输出。运行-扫描以获得完整的洞察力。

https://help.gradle.org

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生成在48 s异常中失败: Gradle任务assembleDebug失败，退出代码1

Answer 1

使用相机模块有问题，试着移除它。