fixed appearance proxy issues:

- CTAssetsPageView did not apply backgroundColor
- CTAssetsViewControllerTransition use page view background color as transitions background color

Author: ug

CTAssetsPickerController/CTAssetsPageView.m

@@ -64,6 +64,7 @@ - (void)setupViews
 - (void)setPageBackgroundColor:(UIColor *)backgroundColor
 {
     _pageBackgroundColor = (backgroundColor) ? backgroundColor : CTAssetsPageViewPageBackgroundColor;
+    self.backgroundColor = _pageBackgroundColor;
 }
 - (void)setFullscreenBackgroundColor:(UIColor *)backgroundColor
 {

CTAssetsPickerController/CTAssetsViewControllerTransition.m

@@ -29,7 +29,7 @@ of this software and associated documentation files (the "Software"), to deal
 #import "CTAssetsPageViewController.h"
 #import "CTAssetItemViewController.h"
 #import "CTAssetScrollView.h"
-
+#import "CTAssetsPageView.h"
 
 
 
@@ -54,7 +54,13 @@ - (NSTimeInterval)transitionDuration:(id<UIViewControllerContextTransitioning>)t
 - (void)animateTransition:(id<UIViewControllerContextTransitioning>)transitionContext
 {
     UIView *containerView           = [transitionContext containerView];
-    containerView.backgroundColor   = [UIColor whiteColor];
+    
+    UIColor *bgColor = [[CTAssetsPageView appearance] pageBackgroundColor];
+    if (bgColor) {
+        containerView.backgroundColor = bgColor;
+    } else {
+        containerView.backgroundColor   = [UIColor whiteColor];
+    }
 
     if (self.operation == UINavigationControllerOperationPush)
     {
@@ -94,7 +100,7 @@ - (void)animateTransition:(id<UIViewControllerContextTransitioning>)transitionCo
         // Create the mask
         UIView *mask            = [[UIView alloc] initWithFrame:startBounds];
         mask.backgroundColor    = [UIColor whiteColor];
-
+        
         // Prepare transition
         snapshot.transform  = CGAffineTransformMakeScale(startScale, startScale);;
         snapshot.layer.mask = mask.layer;
@@ -137,7 +143,7 @@ - (void)animateTransition:(id<UIViewControllerContextTransitioning>)transitionCo
         // Scroll to index path
         [toVC.collectionView scrollToItemAtIndexPath:indexPath atScrollPosition:UICollectionViewScrollPositionNone animated:NO];
         [toVC.collectionView layoutIfNeeded];
-
+        
         UIView *cellView                = [toVC.collectionView cellForItemAtIndexPath:indexPath];
         CTAssetScrollView *scrollView   = iVC.view.subviews[0];
         UIImageView *imageView          = scrollView.imageView;
@@ -158,7 +164,7 @@ - (void)animateTransition:(id<UIViewControllerContextTransitioning>)transitionCo
         float height        = snapshot.bounds.size.height;
         float length        = MIN(width, height);
         CGRect endBounds    = CGRectMake((width-length)/2, (height-length)/2, length, length);
-
+        
         UIView *mask            = [[UIView alloc] initWithFrame:snapshot.bounds];
         mask.backgroundColor    = [UIColor whiteColor];
 
@@ -221,7 +227,7 @@ - (UIView *)resizedSnapshot:(UIImageView *)imageView
     UIGraphicsBeginImageContextWithOptions(size, YES, 0);
 
     [[UIColor whiteColor] set];
-    UIRectFill(CGRectMake(0, 0, size.width, size.height));    
+    UIRectFill(CGRectMake(0, 0, size.width, size.height));
 
     [imageView.image drawInRect:CGRectMake(0, 0, size.width, size.height)];
     UIImage *resized = UIGraphicsGetImageFromCurrentImageContext();