fixed stacked chart bug when there are different stacks on columns. (#…

…4029) fix #3659 * fixed stacked chart bug when there are different stacks on columns. * added empty array check
ChartsOrg · Jul 29, 2019 · 8c28cfa · 8c28cfa
1 parent 2d80b44
commit 8c28cfa
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/Source/Charts/Renderers/BarChartRenderer.swift b/Source/Charts/Renderers/BarChartRenderer.swift
@@ -867,9 +867,12 @@ open class BarChartRenderer: BarLineScatterCandleBubbleRenderer
             } else {
                 stackLabel = nil
             }
-
+
+            //Handles empty array of yValues
+            let yValue = vals.isEmpty ? 0.0 : vals[idx % vals.count]
+
             elementValueText = dataSet.valueFormatter?.stringForValue(
-                vals[idx % stackSize],
+                yValue,
                 entry: e,
                 dataSetIndex: dataSetIndex,
                 viewPortHandler: viewPortHandler) ?? "\(e.y)"