我使用的是 本馆 在flutter应用程序中使用forground服务，我正在尝试这个包的例子中的示例应用程序，但我得到的错误，我无法理解。
Unhandled Exception: MissingPluginException(No implementation found for method foregroundServiceIsStarted on channel org.thebus.foreground_service/main)
E/flutter ( 9491): #0 MethodChannel._invokeMethod
(package:flutter/src/services/platform_channel.dart:154:7)
E/flutter ( 9491): <asynchronous suspension>
E/flutter ( 9491): #1 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:329:12)
E/flutter ( 9491): #2 ForegroundService._invokeMainChannel (package:foreground_service/foreground_service.dart:21:33)
E/flutter ( 9491): #3 ForegroundService.foregroundServiceIsStarted (package:foreground_service/foreground_service.dart:133:18)
E/flutter ( 9491): #4 _MyAppState._toggleForegroundServiceOnOff (package:foregroundserviceflutter/main.dart:66:50)
E/flutter ( 9491): #5 _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:779:19)
E/flutter ( 9491): #6 _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:862:36)
E/flutter ( 9491): #7 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:182:24)
E/flutter ( 9491): #8 TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:504:11)
E/flutter ( 9491): #9 BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:282:5)
E/flutter ( 9491): #10 BaseTapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:254:7)
E/flutter ( 9491): #11 GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:156:27)
E/flutter ( 9491): #12 GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:222:20)
E/flutter ( 9491): #13 GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:198:22)
E/flutter ( 9491): #14 GestureBinding._handlePointerEvent
(package:flutter/src/gestures/binding.dart:156:7)
E/flutter ( 9491): #15 GestureBinding._flushPointerEventQueue
(package:flutter/src/gestures/binding.dart:102:7)
E/flutter ( 9491): #16 GestureBinding._handlePointerDataPacket
(package:flutter/src/gestures/binding.dart:86:7)
有什么建议可以告诉我，这里面到底有什么问题？
我已经添加了以下插件也 - @Neelay Srivastava。
缺少的插件异常
无论你添加什么插件，它都没有集成在应用程序中，虽然该插件是由pub获得，但没有在应用程序中的互动，你只需要退出应用程序，并重新建立。