add demo for the additional API

Author: norsez

BDDynamicGridViewDemo/BDViewController+Private.h

@@ -10,4 +10,5 @@
 
 @interface BDViewController (Private) 
 - (void) _demoAsyncDataLoading;
+- (void) buildBarButtons;
 @end

BDDynamicGridViewDemo/BDViewController+Private.m

@@ -10,6 +10,18 @@
 #define kNumberOfPhotos 25
 @implementation BDViewController (Private)
 
+-(void)buildBarButtons
+{
+    UIBarButtonItem * reloadButton = [[UIBarButtonItem alloc] initWithTitle:@"Lay it!"
+                                                                      style:UIBarButtonItemStylePlain 
+                                                                     target:self 
+                                                                     action:@selector(animateReload)];
+
+    
+    self.navigationItem.rightBarButtonItems = [NSArray arrayWithObjects: reloadButton, nil];
+
+}
+
 -(NSArray*)_imagesFromBundle
 {   
     NSArray *images = [NSArray array];
@@ -60,6 +72,11 @@ - (void) animateUpdate:(NSArray*)objects
                          [UIView animateWithDuration:0.5
                                           animations:^{
                                               imageView.alpha = 1;
+                                          } completion:^(BOOL finished) {
+                                              NSArray *visibleRowInfos =  [self visibleRowInfos];
+                                              for (BDRowInfo *rowInfo in visibleRowInfos) {
+                                                  [self updateLayoutWithRow:rowInfo animiated:YES];
+                                              }
                                           }];
                      }];
 }

BDDynamicGridViewDemo/BDViewController.h

@@ -9,7 +9,7 @@
 #import <UIKit/UIKit.h>
 #import "BDDynamicGridViewController.h"
 @interface BDViewController : BDDynamicGridViewController <BDDynamicGridViewDelegate>{
-     NSArray * _items;
+    NSArray * _items;
 }
 
 @end

BDDynamicGridViewDemo/BDViewController.m

@@ -10,8 +10,8 @@
 #import "BDViewController+Private.h"
 #import "BDRowInfo.h"
 @interface BDViewController (){
-   
 }
+
 @end
 
 @implementation BDViewController
@@ -28,14 +28,8 @@ - (void)viewDidLoad
     self.onDoubleTap = ^(UIView* view, NSInteger viewIndex){
         NSLog(@"Double tap on %@, at %d", view, viewIndex);
     };
-    [super viewDidLoad];
     [self _demoAsyncDataLoading];
-    
-    UIBarButtonItem * reloadButton = [[UIBarButtonItem alloc] initWithTitle:@"Lay it!"
-                                                                      style:UIBarButtonItemStylePlain 
-                                                                     target:self 
-                                                                     action:@selector(animateReload)];
-    self.navigationItem.rightBarButtonItem = reloadButton;
+    [self buildBarButtons];
 }
 
 - (void)animateReload
@@ -44,18 +38,17 @@ - (void)animateReload
     [self _demoAsyncDataLoading];
 }
 
-
 - (NSUInteger)numberOfViews
 {
     return _items.count;
 }
 
-- (NSUInteger)maximumViewsPerCell
+-(NSUInteger)maximumViewsPerCell
 {
     return 5;
 }
 
-- (UIView *)viewAtIndex:(NSUInteger)index
+- (UIView *)viewAtIndex:(NSUInteger)index rowInfo:(BDRowInfo *)rowInfo
 {
     UIImageView * imageView = [_items objectAtIndex:index];
     return imageView;