No implementation found for method listen on channel mobpush_receiver #6
Description
https://pub.dev/packages/mobpush 跟着文档配置，打包成功，但是调用Mobpush就会出现error。MissingPluginException(No implementation found for method getRegistrationId on channel mob.com/mobpush)。
以下是console log：
Launching lib\main.dart on Android SDK built for x86 in debug mode...
=== MobSDK 2019.0909.1445 ===
Built build\app\outputs\apk\debug\app-debug.apk.
E/flutter (31995): [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: MissingPluginException(No implementation found for method getRegistrationId on channel mob.com/mobpush)
�[38;5;244mE/flutter (31995): #0 MethodChannel.invokeMethod�[39;49m
E/flutter (31995):
�[38;5;248mE/flutter (31995): #1 Mobpush.getRegistrationId�[39;49m
E/flutter (31995):
�[38;5;248mE/flutter (31995): #2 _MyAppState.initState�[39;49m
�[38;5;244mE/flutter (31995): #3 StatefulElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #4 ComponentElement.mount�[39;49m
�[38;5;244mE/flutter (31995): #5 Element.inflateWidget�[39;49m
�[38;5;244mE/flutter (31995): #6 Element.updateChild�[39;49m
�[38;5;244mE/flutter (31995): #7 ComponentElement.performRebuild�[39;49m
�[38;5;244mE/flutter (31995): #8 Element.rebuild�[39;49m
�[38;5;244mE/flutter (31995): #9 ComponentElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #10 ComponentElement.mount�[39;49m
�[38;5;244mE/flutter (31995): #11 Element.inflateWidget�[39;49m
�[38;5;244mE/flutter (31995): #12 Element.updateChild�[39;49m
�[38;5;244mE/flutter (31995): #13 ComponentElement.performRebuild�[39;49m
�[38;5;244mE/flutter (31995): #14 Element.rebuild�[39;49m
�[38;5;244mE/flutter (31995): #15 ComponentElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #16 StatefulElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #17 ComponentElement.mount�[39;49m
�[38;5;244mE/flutter (31995): #18 Element.inflateWidget�[39;49m
�[38;5;244mE/flutter (31995): #19 Element.updateChild�[39;49m
�[38;5;244mE/flutter (31995): #20 ComponentElement.performRebuild�[39;49m
�[38;5;244mE/flutter (31995): #21 Element.rebuild�[39;49m
�[38;5;244mE/flutter (31995): #22 ComponentElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #23 ComponentElement.mount�[39;49m
�[38;5;244mE/flutter (31995): #24 Element.inflateWidget�[39;49m
�[38;5;244mE/flutter (31995): #25 Element.updateChild�[39;49m
�[38;5;244mE/flutter (31995): #26 ComponentElement.performRebuild�[39;49m
�[38;5;244mE/flutter (31995): #27 Element.rebuild�[39;49m
�[38;5;244mE/flutter (31995): #28 ComponentElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #29 StatefulElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #30 ComponentElement.mount�[39;49m
�[38;5;244mE/flutter (31995): #31 Element.inflateWidget�[39;49m
�[38;5;244mE/flutter (31995): #32 Element.updateChild�[39;49m
�[38;5;244mE/flutter (31995): #33 ComponentElement.performRebuild�[39;49m
�[38;5;244mE/flutter (31995): #34 Element.rebuild�[39;49m
�[38;5;244mE/flutter (31995): #35 ComponentElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #36 ComponentElement.mount�[39;49m
�[38;5;244mE/flutter (31995): #37 Element.inflateWidget�[39;49m
�[38;5;244mE/flutter (31995): #38 Element.updateChild�[39;49m
�[38;5;244mE/flutter (31995): #39 ComponentElement.performRebuild�[39;49m
�[38;5;244mE/flutter (31995): #40 Element.rebuild�[39;49m
�[38;5;244mE/flutter (31995): #41 ComponentElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #42 StatefulElement._firstBuild�[39;49m
�[38;5;244mE/flutter (31995): #43 ComponentElement.mount�[39;49m
�[38;5;244mE/flutter (31995): #44 Element.inflateWidget�[39;49m
E/flutter (31995): #45 Element.updateChild (package:flutter/src/widge
�[38;5;248m════════ Exception Caught By services library ══════════════════════════════════�[39;49m
�[38;5;244mThe following MissingPluginException was thrown while activating platform stream on channel mobpush_receiver:�[39;49m
�[38;5;244mMissingPluginException(No implementation found for method listen on channel mobpush_receiver)�[39;49m
�[38;5;244mWhen the exception was thrown, this was the stack�[39;49m
�[38;5;244m#0 MethodChannel.invokeMethod�[39;49m
�[38;5;244m�[39;49m
�[38;5;244m#1 EventChannel.receiveBroadcastStream.�[39;49m
�[38;5;244m�[39;49m
�[38;5;248m#6 Mobpush.addPushReceiver�[39;49m
�[38;5;244m...�[39;49m
�[38;5;248m════════════════════════════════════════════════════════════════════════════════�[39;49m