Issue #3 check for data length

wordpress-mobile · Dec 21, 2012 · 99b2ea2 · 99b2ea2
1 parent ce6e660
commit 99b2ea2
Showing 1 changed file with 16 additions and 8 deletions.
diff --git a/src/com/jjoe64/graphview/GraphView.java b/src/com/jjoe64/graphview/GraphView.java
@@ -414,10 +414,14 @@ protected double getMaxX(boolean ignoreViewport) {
 			if (graphSeries.size() > 0)
 			{
 				GraphViewData[] values = graphSeries.get(0).values;
-				highest = values[values.length-1].valueX;
-				for (int i=1; i<graphSeries.size(); i++) {
-					values = graphSeries.get(i).values;
-					highest = Math.max(highest, values[values.length-1].valueX);
+				if (values.length == 0) {
+					highest = 0;
+				} else {
+					highest = values[values.length-1].valueX;
+					for (int i=1; i<graphSeries.size(); i++) {
+						values = graphSeries.get(i).values;
+						highest = Math.max(highest, values[values.length-1].valueX);
+					}
 				}
 			}
 			return highest;
@@ -463,10 +467,14 @@ protected double getMinX(boolean ignoreViewport) {
 			if (graphSeries.size() > 0)
 			{
 				GraphViewData[] values = graphSeries.get(0).values;
-				lowest = values[0].valueX;
-				for (int i=1; i<graphSeries.size(); i++) {
-					values = graphSeries.get(i).values;
-					lowest = Math.min(lowest, values[0].valueX);
+				if (values.length == 0) {
+					lowest = 0;
+				} else {
+					lowest = values[0].valueX;
+					for (int i=1; i<graphSeries.size(); i++) {
+						values = graphSeries.get(i).values;
+						lowest = Math.min(lowest, values[0].valueX);
+					}
 				}
 			}
 			return lowest;