Updates perse function to use getChar
@@ -74,8 +74,8 @@ public class RadioButtonBuilder extends ButtonBuilder {
final String text = (String) jsonObject.get("text");
- final Character emptyButtonChar = (Character) jsonObject.get("emptyButtonChar");
- final Character checkedButtonChar = (Character) jsonObject.get("checkedButtonChar");
+ final Character emptyButtonChar = getChar(jsonObject, "emptyButtonChar");
+ final Character checkedButtonChar = getChar(jsonObject, "checkedButtonChar");
if (text != null) {
