[camera] Copy zoom settings from preview to final capture builder on Android (flutter#3413)

* Copy SCALER_CROP_REGION from preview to final capture builder

* Update version number

* Fix formatting

Author: mvanbeusekom

packages/camera/camera/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.7.0+4
+
+* Make sure the configured zoom scale is copied over to the final capture builder on Android. Fixes the issue where the preview is zoomed but the final picture is not.
+
 ## 0.7.0+3
 
 * Fixes crash with using inner camera on some Android devices.

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

@@ -543,11 +543,15 @@ private void runPictureCapture() {
       final CaptureRequest.Builder captureBuilder =
           cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
       captureBuilder.addTarget(pictureImageReader.getSurface());
+      captureBuilder.set(
+          CaptureRequest.SCALER_CROP_REGION,
+          captureRequestBuilder.get(CaptureRequest.SCALER_CROP_REGION));
       captureBuilder.set(
           CaptureRequest.JPEG_ORIENTATION,
           lockedCaptureOrientation == null
               ? deviceOrientationListener.getMediaOrientation()
               : deviceOrientationListener.getMediaOrientation(lockedCaptureOrientation));
+
       switch (flashMode) {
         case off:
           captureBuilder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON);

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: 0.7.0+3
+version: 0.7.0+4
 homepage: https://github.com/flutter/plugins/tree/master/packages/camera/camera
 
 dependencies: