Fixed #192

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Change Log
 
+## [v2.9.0](https://github.com/Jawbone/JBChartView/tree/v2.9.0) (2015-12-04)
+[Full Changelog](https://github.com/Jawbone/JBChartView/compare/v2.8.19...v2.9.0)
+
 ## [v2.8.19](https://github.com/Jawbone/JBChartView/tree/v2.8.19) (2015-11-23)
 [Full Changelog](https://github.com/Jawbone/JBChartView/compare/v2.8.18...v2.8.19)
 
@@ -69,6 +72,7 @@
 **Merged pull requests:**
 
 - Return the available height instead of 0 [\#183](https://github.com/Jawbone/JBChartView/pull/183) ([0xPr0xy](https://github.com/0xPr0xy))
+- Adds support for gradients to line charts [\#175](https://github.com/Jawbone/JBChartView/pull/175) ([benjaminsnorris](https://github.com/benjaminsnorris))
 
 ## [v2.8.14](https://github.com/Jawbone/JBChartView/tree/v2.8.14) (2015-04-30)
 [Full Changelog](https://github.com/Jawbone/JBChartView/compare/v2.8.13...v2.8.14)

Classes/JBBarChartView.m

@@ -432,27 +432,39 @@ static UIColor *kJBBarChartViewDefaultBarColor = nil;
     {
         if (animated)
         {
-            NSUInteger index = 0;
+			dispatch_block_t animationCompletionBlock = ^{
+				if (callbackCopy)
+				{
+					callbackCopy();
+				}
+			};
+			
+            NSUInteger animationDelayIndex = 0;
             for (UIView *barView in self.barViews)
             {
-                [UIView animateWithDuration:kJBBarChartViewStateAnimationDuration delay:(kJBBarChartViewStateAnimationDuration * 0.5) * index options:UIViewAnimationOptionBeginFromCurrentState animations:^{
-                    updateBarView(barView, YES);
-                } completion:^(BOOL finished) {
-                    [UIView animateWithDuration:kJBBarChartViewStateAnimationDuration delay:0.0 options:UIViewAnimationOptionBeginFromCurrentState animations:^{
-                        updateBarView(barView, NO);
-                    } completion:^(BOOL lastBarFinished) {
-                        if ((NSUInteger)barView.tag == [self.barViews count] - 1)
-                        {
-                            if (callbackCopy)
-                            {
-                                callbackCopy();
-                            }
-                        }
-                    }];
-                }];
-                index++;
-            }
-        }
+				BOOL lastIndex = ((NSUInteger)barView.tag == [self.barViews count] - 1);
+				if ([[weakSelf.cachedBarViewHeights objectAtIndex:barView.tag] floatValue] > [self minimumValue])
+				{
+					[UIView animateWithDuration:kJBBarChartViewStateAnimationDuration delay:(kJBBarChartViewStateAnimationDuration * 0.5) * animationDelayIndex options:UIViewAnimationOptionBeginFromCurrentState animations:^{
+						updateBarView(barView, YES);
+					} completion:^(BOOL finished) {
+						[UIView animateWithDuration:kJBBarChartViewStateAnimationDuration delay:0.0 options:UIViewAnimationOptionBeginFromCurrentState animations:^{
+							updateBarView(barView, NO);
+						} completion:^(BOOL lastBarFinished) {
+							if (lastIndex)
+							{
+								animationCompletionBlock();
+							}
+						}];
+					}];
+					animationDelayIndex++;
+				}
+				else if (lastIndex)
+				{
+					animationCompletionBlock();
+				}
+			}
+		}
         else
         {
             for (UIView *barView in self.barViews)

JBChartView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "JBChartView"
-  s.version      = "2.8.19"
+  s.version      = "2.9.0"
   s.summary      = "Jawbone's iOS-based charting library for both line and bar graphs."
   s.homepage     = "https://github.com/Jawbone/JBChartView"
 
@@ -10,7 +10,7 @@ Pod::Spec.new do |s|
   s.author       = { "Terry Worona" => "tworona@jawbone.com" }
   s.source       = { 
 	:git => "https://github.com/Jawbone/JBChartView.git",
-	:tag => "v2.8.19"
+	:tag => "v2.9.0"
   }
 
   s.platform     = :ios, '6.0'