[camera] Fix video recording exception on Android (flutter#3375)

* Fixed video recording

* Update changelog and pubspec version

* Update packages/camera/camera/CHANGELOG.md

Co-authored-by: Maurits van Beusekom <maurits@baseflow.com>

Co-authored-by: Maurits van Beusekom <maurits@baseflow.com>

Author: BeMacized

packages/camera/camera/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.6.3+2
+
+* Fixes crash on Android which occurs after video recording has stopped just before taking a picture.
+
 ## 0.6.3+1
 
 * Fixes flash & torch modes not working on some Android devices.

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

@@ -276,7 +276,9 @@ public void onCaptureFailed(
             @NonNull CameraCaptureSession session,
             @NonNull CaptureRequest request,
             @NonNull CaptureFailure failure) {
-          assert (pictureCaptureRequest != null);
+          if (pictureCaptureRequest == null || pictureCaptureRequest.isFinished()) {
+            return;
+          }
           String reason;
           switch (failure.getReason()) {
             case CaptureFailure.REASON_ERROR:

packages/camera/camera/pubspec.yaml

@@ -2,7 +2,7 @@ name: camera
 description: A Flutter plugin for getting information about and controlling the
   camera on Android and iOS. Supports previewing the camera feed, capturing images, capturing video,
   and streaming image buffers to dart.
-version: 0.6.3+1
+version: 0.6.3+2
 homepage: https://github.com/flutter/plugins/tree/master/packages/camera/camera
 
 dependencies: