webview 강의 따라하는데 다음과 같은 에러가 나옵니다. ㅜㅜ

Question

webview 강의 진행중 에러가 나와서 문의 드립니다. console창에 나온 에러 내용입니다. 강의보면서 세팅 똑같이 했는데 이렇게 나오면서 화면이 아무것도 적용이 안되네요. Performing hot restart... Syncing files to device Android SDK built for x86... Restarted application in 797ms. E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebStorageHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:2036:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebViewHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:289:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:1013:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.setDomStorageEnabled (package:webview_flutter_android/src/android_webview.pigeon.dart:1061:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.setJavaScriptCanOpenWindowsAutomatically (package:webview_flutter_android/src/android_webview.pigeon.dart:1087:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.setSupportMultipleWindows (package:webview_flutter_android/src/android_webview.pigeon.dart:1113:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.setLoadWithOverviewMode (package:webview_flutter_android/src/android_webview.pigeon.dart:1239:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.setUseWideViewPort (package:webview_flutter_android/src/android_webview.pigeon.dart:1263:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.setDisplayZoomControls (package:webview_flutter_android/src/android_webview.pigeon.dart:1288:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.setBuiltInZoomControls (package:webview_flutter_android/src/android_webview.pigeon.dart:1313:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebViewClientHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:1476:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.setUserAgentString (package:webview_flutter_android/src/android_webview.pigeon.dart:1163:7) E/flutter ( 3101): E/flutter ( 3101): #1 Future.wait. (dart:async/future.dart:522:21) E/flutter ( 3101): E/flutter ( 3101): #2 WebViewAndroidPlatformController.updateSettings (package:webview_flutter_android/webview_android_widget.dart:275:5) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebSettingsHostApi.setMediaPlaybackRequiresUserGesture (package:webview_flutter_android/src/android_webview.pigeon.dart:1189:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 DownloadListenerHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:1749:7) E/flutter ( 3101): E/flutter ( 3101): #1 Future.wait. (dart:async/future.dart:522:21) E/flutter ( 3101): E/flutter ( 3101): #2 WebView.setDownloadListener (package:webview_flutter_android/src/android_webview.dart:379:5) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebChromeClientHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:1861:7) E/flutter ( 3101): E/flutter ( 3101): #1 Future.wait. (dart:async/future.dart:522:21) E/flutter ( 3101): E/flutter ( 3101): #2 WebView.setWebChromeClient (package:webview_flutter_android/src/android_webview.dart:399:5) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter ( 3101): #0 WebViewHostApi.loadUrl (package:webview_flutter_android/src/android_webview.pigeon.dart:401:7) E/flutter ( 3101): E/flutter ( 3101): E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(error, java.lang.IllegalStateException: Trying to create a platform view of unregistered type: plugins.flutter.io/webview E/flutter ( 3101): at io.flutter.plugin.platform.PlatformViewsController$1.createPlatformView( PlatformViewsController.java:489 ) E/flutter ( 3101): at io.flutter.plugin.platform.PlatformViewsController$1.createForTextureLayer( PlatformViewsController.java:191 ) E/flutter ( 3101): at io.flutter.embedding.engine.systemchannels.PlatformViewsChannel$1.create( PlatformViewsChannel.java:128 ) E/flutter ( 3101): at io.flutter.embedding.engine.systemchannels.PlatformViewsChannel$1.onMethodCall( PlatformViewsChannel.java:55 ) E/flutter ( 3101): at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage( MethodChannel.java:258 ) E/flutter ( 3101): at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler( DartMessenger.java:295 ) E/flutter ( 3101): at io.flutter.embedding.engine.dart.DartMessenger.lambda$dispatchMessageToQueue$0$io-flutter-embedding-engine-dart-DartMessenger( DartMessenger.java:322 ) E/flutter ( 3101): at io.flutter.embedding.engine.dart.DartMessenger$$ExternalSyntheticLambda0.run(Unknown Source:12) E/flutter ( 3101): at android.os.Handler.handleCallback( Handler.java:938 ) E/flutter ( 3101): at android.os.Handler.dispatchMessage( Handler.java:99 ) E/flutter ( 3101): at android.os.Looper.loop( Looper.java:223 ) E/flutter ( 3101): at android.app .ActivityThread.main( ActivityThread.java:7656 ) E/flutter ( 3101): at java.lang.reflect.Method.invoke(Native Method) E/flutter ( 3101): at com.android .internal.os.RuntimeInit$MethodAndArgsCaller.run( RuntimeInit.java:592 ) E/flutter ( 3101): at com.android .internal.os.ZygoteInit.main( ZygoteInit.java:947 ) E/flutter ( 3101): , null, null) E/flutter ( 3101): #0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:653:7) E/flutter ( 3101): #1 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:315:18) E/flutter ( 3101): E/flutter ( 3101): #2 SurfaceAndroidViewController._sendCreateMessage (package:flutter/src/services/platform_views.dart:1017:30) E/flutter ( 3101): E/flutter ( 3101): #3 AndroidViewController.create (package:flutter/src/services/platform_views.dart:801:5) E/flutter ( 3101): E/flutter ( 3101): 도움 좀 부탁드립니다.

코드팩토리 · Answer

안녕하세요! PlatformException은 네이티브 플러그인이 재대로 설치 안됐을때 나타나는 현상입니다. 실행을 중지하시고 터미널에서 flutter clean을 실행한 다음 다시 실행을 해보세요. 그래도 안된다면 아래 저희 카카오 채널로 오셔서 원격 신청 부탁드립니다. https://links.codefactory.ai 감사합니다!