From c75bc3150eed2a520bf2036d82b505d66406ca80 Mon Sep 17 00:00:00 2001
From: Maurits van Beusekom <maurits@baseflow.com>
Date: Wed, 16 Dec 2020 15:32:08 +0100
Subject: [PATCH] Add implementation of didFinishProcessingPhoto callback

---
 packages/camera/camera/CHANGELOG.md           |  4 ++++
 .../camera/camera/ios/Classes/CameraPlugin.m  | 20 +++++++++++++++++++
 packages/camera/camera/pubspec.yaml           |  2 +-
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/packages/camera/camera/CHANGELOG.md b/packages/camera/camera/CHANGELOG.md
index 8a7c979c3b72..8009fc49652f 100644
--- a/packages/camera/camera/CHANGELOG.md
+++ b/packages/camera/camera/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.6.0+2
+
+* Added implementation of the `didFinishProcessingPhoto` on iOS which allows saving image metadata (EXIF) on iOS 11 and up.
+
 ## 0.6.0+1
 
 Updated README to inform users that iOS 10.0+ is needed for use
diff --git a/packages/camera/camera/ios/Classes/CameraPlugin.m b/packages/camera/camera/ios/Classes/CameraPlugin.m
index 9455375b8524..133d30f01805 100644
--- a/packages/camera/camera/ios/Classes/CameraPlugin.m
+++ b/packages/camera/camera/ios/Classes/CameraPlugin.m
@@ -76,6 +76,7 @@ - (void)captureOutput:(AVCapturePhotoOutput *)output
   UIImage *image = [UIImage imageWithCGImage:[UIImage imageWithData:data].CGImage
                                        scale:1.0
                                  orientation:[self getImageRotation]];
+
   // TODO(sigurdm): Consider writing file asynchronously.
   bool success = [UIImageJPEGRepresentation(image, 1.0) writeToFile:_path atomically:YES];
   if (!success) {
@@ -85,6 +86,25 @@ - (void)captureOutput:(AVCapturePhotoOutput *)output
   _result(_path);
 }
 
+- (void)captureOutput:(AVCapturePhotoOutput *)output
+    didFinishProcessingPhoto:(AVCapturePhoto *)photo
+                       error:(NSError *)error API_AVAILABLE(ios(11.0)) {
+  selfReference = nil;
+  if (error) {
+    _result(getFlutterError(error));
+    return;
+  }
+
+  NSData *photoData = [photo fileDataRepresentation];
+
+  bool success = [photoData writeToFile:_path atomically:YES];
+  if (!success) {
+    _result([FlutterError errorWithCode:@"IOError" message:@"Unable to write file" details:nil]);
+    return;
+  }
+  _result(_path);
+}
+
 - (UIImageOrientation)getImageRotation {
   float const threshold = 45.0;
   BOOL (^isNearValue)(float value1, float value2) = ^BOOL(float value1, float value2) {
diff --git a/packages/camera/camera/pubspec.yaml b/packages/camera/camera/pubspec.yaml
index cc25133f95f9..3c3e0cea3565 100644
--- a/packages/camera/camera/pubspec.yaml
+++ b/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: 0.6.0+1
+version: 0.6.0+2
 homepage: https://github.com/flutter/plugins/tree/master/packages/camera/camera
 
 dependencies: