Program: 28590
Project: 28590
Buggy source:
/** 
 * Starts recursively parsing the given jsonObject.
 * @param context      Represents the context of the parsing.
 * @param parent       The parent view group under which the view being created has to beadded as a child.
 * @param layout       The jsonObject which represents the current layout which is getting parsed.
 * @param existingView A view which needs to be used instead of creating a new one. Pass nullfor first pass.
 * @param childIndex   index of child inside its parent view.
 * @param styles
 * @return The {@link com.flipkart.layoutengine.view.ProteusView} that was built.
 */
protected ProteusView buildImpl(ParserContext context,final ProteusView parent,final JsonObject layout,View existingView,final int childIndex,Styles styles){
  JsonElement viewTypeElement=layout.get(ProteusConstants.TYPE);
  String viewType;
  if (viewTypeElement != null) {
    viewType=viewTypeElement.getAsString();
  }
 else {
    Log.e(TAG,"String_Node_Str");
    return null;
  }
  LayoutHandler<View> handler=layoutHandlers.get(viewType);
  if (handler == null) {
    return onUnknownViewEncountered(context,viewType,parent,layout,childIndex);
  }
  final View createdView;
  if (existingView == null) {
    ViewGroup parentViewGroup=(ViewGroup)parent.getView();
    createdView=createView(context,parentViewGroup,handler,layout);
    handler.setupView(context,parentViewGroup,createdView,layout);
  }
 else {
    createdView=existingView;
  }
  ProteusView createdProteusView=createProteusViewToReturn(createdView,layout,childIndex,parent);
  prepareView(createdProteusView,context);
  for (  Map.Entry<String,JsonElement> entry : layout.entrySet()) {
    if (ProteusConstants.TYPE.equals(entry.getKey()) || ProteusConstants.CHILDREN.equals(entry.getKey()) || ProteusConstants.CHILD_TYPE.equals(entry.getKey())|| ProteusConstants.STYLE.equals(entry.getKey())) {
      continue;
    }
    JsonElement jsonDataValue=entry.getValue();
    String attributeName=entry.getKey();
    boolean handled;
    handled=handleAttribute(handler,context,attributeName,jsonDataValue,layout,createdProteusView,parent,childIndex);
    if (!handled) {
      onUnknownAttributeEncountered(context,attributeName,jsonDataValue,layout,createdView,childIndex);
    }
  }
  if (styles != null && layout.has(ProteusConstants.STYLE) && !layout.get(ProteusConstants.STYLE).isJsonNull() && layout.get(ProteusConstants.STYLE).isJsonPrimitive()) {
    String[] styleSet=layout.get(ProteusConstants.STYLE).getAsString().split(ProteusConstants.STYLE_DELIMITER);
    for (    String styleName : styleSet) {
      processStyle(styles.getStyle(styleName),layout,createdProteusView,handler,context,parent,childIndex);
    }
  }
  List<ProteusView> childrenToAdd=parseChildren(handler,context,createdProteusView,layout,childIndex,styles);
  if (childrenToAdd == null) {
    return createdProteusView;
  }
  if (childrenToAdd.size() > 0) {
    handler.addChildren(context,createdProteusView,childrenToAdd,layout);
  }
  return createdProteusView;
}

Fixed version (ground truth):
/** 
 * Starts recursively parsing the given jsonObject.
 * @param context      Represents the context of the parsing.
 * @param parent       The parent view group under which the view being created has to beadded as a child.
 * @param layout       The jsonObject which represents the current layout which is getting parsed.
 * @param existingView A view which needs to be used instead of creating a new one. Pass nullfor first pass.
 * @param childIndex   index of child inside its parent view.
 * @param styles
 * @return The {@link com.flipkart.layoutengine.view.ProteusView} that was built.
 */
protected ProteusView buildImpl(ParserContext context,final ProteusView parent,final JsonObject layout,View existingView,final int childIndex,Styles styles){
  JsonElement viewTypeElement=layout.get(ProteusConstants.TYPE);
  String viewType;
  if (viewTypeElement != null) {
    viewType=viewTypeElement.getAsString();
  }
 else {
    Log.e(TAG,"String_Node_Str");
    return null;
  }
  LayoutHandler<View> handler=layoutHandlers.get(viewType);
  if (handler == null) {
    return onUnknownViewEncountered(context,viewType,parent,layout,childIndex);
  }
  final View createdView;
  if (existingView == null) {
    ViewGroup parentViewGroup=(ViewGroup)parent.getView();
    createdView=createView(context,parentViewGroup,handler,layout);
    handler.setupView(context,parentViewGroup,createdView,layout);
  }
 else {
    createdView=existingView;
  }
  ProteusView createdProteusView=createProteusViewToReturn(createdView,layout,childIndex,parent);
  prepareView(createdProteusView,context);
  for (  Map.Entry<String,JsonElement> entry : layout.entrySet()) {
    if (ProteusConstants.TYPE.equals(entry.getKey()) || ProteusConstants.CHILDREN.equals(entry.getKey()) || ProteusConstants.CHILD_TYPE.equals(entry.getKey())|| ProteusConstants.STYLE.equals(entry.getKey())) {
      continue;
    }
    JsonElement jsonDataValue=entry.getValue();
    String attributeName=entry.getKey();
    boolean handled;
    handled=handleAttribute(handler,context,attributeName,jsonDataValue,layout,createdProteusView,parent,childIndex);
    if (!handled) {
      onUnknownAttributeEncountered(context,attributeName,jsonDataValue,layout,createdView,childIndex);
    }
  }
  if (styles != null && layout.has(ProteusConstants.STYLE) && !layout.get(ProteusConstants.STYLE).isJsonNull() && layout.get(ProteusConstants.STYLE).isJsonPrimitive()) {
    String[] styleSet=layout.get(ProteusConstants.STYLE).getAsString().split(ProteusConstants.STYLE_DELIMITER);
    for (    String styleName : styleSet) {
      if (styles.hasStyle(styleName)) {
        processStyle(styles.getStyle(styleName),layout,createdProteusView,handler,context,parent,childIndex);
      }
    }
  }
  List<ProteusView> childrenToAdd=parseChildren(handler,context,createdProteusView,layout,childIndex,styles);
  if (childrenToAdd == null) {
    return createdProteusView;
  }
  if (childrenToAdd.size() > 0) {
    handler.addChildren(context,createdProteusView,childrenToAdd,layout);
  }
  return createdProteusView;
}