Testing

packages/camera/camera/android/src/main/java/io/flutter/plugins/camera/Camera.java

@@ -341,7 +341,7 @@ public void onClosed(@NonNull CameraDevice camera) {
 
             // Prevents calls to methods that would otherwise result in IllegalStateException exceptions.
             cameraDevice = null;
-            captureSession = null;
+            closeCaptureSession();
             dartMessenger.sendCameraClosingEvent();
           }
 
@@ -356,8 +356,9 @@ public void onDisconnected(@NonNull CameraDevice cameraDevice) {
           @Override
           public void onError(@NonNull CameraDevice cameraDevice, int errorCode) {
             Log.i(TAG, "open | onError");
-
+            
             close();
+
             String errorDescription;
             switch (errorCode) {
               case ERROR_CAMERA_IN_USE:
@@ -393,7 +394,7 @@ private void createCaptureSession(
       int templateType, Runnable onSuccessCallback, Surface... surfaces)
       throws CameraAccessException {
     // Close any existing capture session.
-    captureSession = null;
+    closeCaptureSession();
 
     // Create a new capture builder.
     previewRequestBuilder = cameraDevice.createCaptureRequest(templateType);
@@ -1169,6 +1170,15 @@ private void setImageStreamImageAvailableListener(final EventChannel.EventSink i
         backgroundHandler);
   }
 
+  private void closeCaptureSession() {
+    if (captureSession != null) {
+      Log.i(TAG, "closeCaptureSession");
+
+      captureSession.close();
+      captureSession = null;
+    }
+  }
+
   public void close() {
     Log.i(TAG, "close");
     captureSession = null;

packages/camera/camera/android/src/main/java/io/flutter/plugins/camera/DartMessenger.java

@@ -134,6 +134,7 @@ void sendCameraClosingEvent() {
    * @param description contains details regarding the error that occurred.
    */
   void sendCameraErrorEvent(@Nullable String description) {
+    System.out.println("!!!!!!!!!!!!!!!!!!!!Sending error camera event: " + description);
     this.send(
         CameraEventType.ERROR,
         new HashMap<String, Object>() {
@@ -157,6 +158,7 @@ private void send(CameraEventType eventType, Map<String, Object> args) {
           @Override
           public void run() {
             cameraChannel.invokeMethod(eventType.method, args);
+            System.out.println("!!!!!!!!!!!!!!Sending message across channel");
           }
         });
   }

packages/camera/camera/pubspec.yaml

@@ -22,8 +22,10 @@ flutter:
         default_package: camera_web
 
 dependencies:
-  camera_platform_interface: ^2.1.0
-  camera_web: ^0.2.1
+  camera_platform_interface:
+    path: ../camera_platform_interface/
+  camera_web:
+    path: ../camera_web/
   flutter:
     sdk: flutter
   flutter_plugin_android_lifecycle: ^2.0.2

packages/camera/camera_platform_interface/lib/src/method_channel/method_channel_camera.dart

@@ -521,6 +521,7 @@ class MethodChannelCamera extends CameraPlatform {
         ));
         break;
       case 'error':
+        print("!!!!!!!!!!!!!!!error found");
         cameraEventStreamController.add(CameraErrorEvent(
           cameraId,
           call.arguments['description']! as String,

packages/camera/camera_web/pubspec.yaml

@@ -17,7 +17,8 @@ flutter:
         fileName: camera_web.dart
 
 dependencies:
-  camera_platform_interface: ^2.1.0
+  camera_platform_interface:
+    path: ../camera_platform_interface/
   flutter:
     sdk: flutter
   flutter_web_plugins: