Dart: Refactors Proxies

examples/dart/camera_roll/lib/main.dart

Index: examples/dart/camera_roll/lib/main.dart
diff --git a/examples/dart/camera_roll/lib/main.dart b/examples/dart/camera_roll/lib/main.dart
index d0ab8a711419acff13406842d88a11df49dd58de..53f5a2d08a47843ed06cbb166c44818ef6d378e0 100644
--- a/examples/dart/camera_roll/lib/main.dart
+++ b/examples/dart/camera_roll/lib/main.dart
@@ -54,11 +54,11 @@ void beginFrame(double timeStamp) {
 }
 
 void getPhoto() {
-  var future = cameraRoll.ptr.getPhoto(photoIndex);
+  var future = cameraRoll.getPhoto(photoIndex);
   future.then((response) {
     if (response.photo == null) {
       print("Photo $photoIndex not found, returning to the first photo.");
-      cameraRoll.ptr.update();
+      cameraRoll.update();
       photoIndex = 0;
       getPhoto();
       return;