Merge pull request #1015 from liuxuan30/barBorderCrash

Fix #1014: fix combined chart crash while toggle bar borders
ChartsOrg · May 10, 2016 · ee28dc5 · ee28dc5
2 parents c9717e8 + 78c66e7
commit ee28dc5
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/ChartsDemo/Classes/DemoBaseViewController.m b/ChartsDemo/Classes/DemoBaseViewController.m
@@ -148,9 +148,12 @@ - (void)handleOption:(NSString *)key forChartView:(ChartViewBase *)chartView
 
     if ([key isEqualToString:@"toggleBarBorders"])
     {
-        for (id<IBarChartDataSet> set in chartView.data.dataSets)
+        for (id<IBarChartDataSet, NSObject> set in chartView.data.dataSets)
         {
-            set.barBorderWidth = set.barBorderWidth == 1.0 ? 0.0 : 1.0;
+            if ([set conformsToProtocol:@protocol(IBarChartDataSet)])
+            {
+                set.barBorderWidth = set.barBorderWidth == 1.0 ? 0.0 : 1.0;
+            }
         }
 
         [chartView setNeedsDisplay];