Program: 13474
Project: 13474
Buggy source:
@Override public void onBarTapped(int tappedBar){
  if (!isAdded()) {
    return;
  }
  mSelectedBarGraphBarIndex=tappedBar;
  updateUIBelowTheGraph(tappedBar);
  if (!NetworkUtils.checkConnection(getActivity())) {
    return;
  }
  String date=mStatsDate[tappedBar];
  if (date == null) {
    AppLog.w(AppLog.T.STATS,"String_Node_Str");
    return;
  }
  String calculatedDate=null;
  try {
    SimpleDateFormat sdf;
    Calendar c=Calendar.getInstance();
    c.setFirstDayOfWeek(Calendar.MONDAY);
    final Date parsedDate;
switch (getTimeframe()) {
case DAY:
      calculatedDate=date;
    break;
case WEEK:
  sdf=new SimpleDateFormat("String_Node_Str");
parsedDate=sdf.parse(date);
c.setTime(parsedDate);
c.set(Calendar.DAY_OF_WEEK,Calendar.MONDAY);
c.add(Calendar.DAY_OF_WEEK,+6);
calculatedDate=StatsUtils.msToString(c.getTimeInMillis(),StatsConstants.STATS_INPUT_DATE_FORMAT);
break;
case MONTH:
sdf=new SimpleDateFormat("String_Node_Str");
parsedDate=sdf.parse(date);
c.setTime(parsedDate);
c.set(Calendar.DAY_OF_MONTH,c.getActualMaximum(Calendar.DAY_OF_MONTH));
calculatedDate=StatsUtils.msToString(c.getTimeInMillis(),StatsConstants.STATS_INPUT_DATE_FORMAT);
break;
case YEAR:
sdf=new SimpleDateFormat(StatsConstants.STATS_INPUT_DATE_FORMAT);
parsedDate=sdf.parse(date);
c.setTime(parsedDate);
c.set(Calendar.MONTH,Calendar.DECEMBER);
c.set(Calendar.DAY_OF_MONTH,31);
calculatedDate=StatsUtils.msToString(c.getTimeInMillis(),StatsConstants.STATS_INPUT_DATE_FORMAT);
break;
}
}
 catch (ParseException e) {
AppLog.e(AppLog.T.UTILS,e);
}
if (calculatedDate == null) {
AppLog.w(AppLog.T.STATS,"String_Node_Str" + date);
return;
}
if (mListener != null) {
SiteModel site=mSiteStore.getSiteByLocalId(getLocalTableBlogID());
if (site != null && SiteUtils.isAccessedViaWPComRest(site)) {
mListener.onDateChanged(site.getSiteId(),getTimeframe(),calculatedDate);
}
}
AnalyticsUtils.trackWithSiteDetails(AnalyticsTracker.Stat.STATS_TAPPED_BAR_CHART,mSiteStore.getSiteByLocalId(getLocalTableBlogID()));
}

Fixed version (ground truth):
@Override public void onBarTapped(int tappedBar){
  if (!isAdded()) {
    return;
  }
  mSelectedBarGraphBarIndex=tappedBar;
  updateUIBelowTheGraph(tappedBar);
  if (!NetworkUtils.checkConnection(getActivity())) {
    return;
  }
  String date=mStatsDate[tappedBar];
  if (date == null) {
    AppLog.w(AppLog.T.STATS,"String_Node_Str");
    return;
  }
  String calculatedDate=null;
  try {
    SimpleDateFormat sdf;
    Calendar c=Calendar.getInstance();
    c.setFirstDayOfWeek(Calendar.MONDAY);
    final Date parsedDate;
switch (getTimeframe()) {
case DAY:
      calculatedDate=date;
    break;
case WEEK:
  sdf=new SimpleDateFormat("String_Node_Str",Locale.ROOT);
parsedDate=sdf.parse(date);
c.setTime(parsedDate);
c.set(Calendar.DAY_OF_WEEK,Calendar.MONDAY);
c.add(Calendar.DAY_OF_WEEK,+6);
calculatedDate=StatsUtils.msToLocalizedString(c.getTimeInMillis(),StatsConstants.STATS_INPUT_DATE_FORMAT);
break;
case MONTH:
sdf=new SimpleDateFormat("String_Node_Str",Locale.ROOT);
parsedDate=sdf.parse(date);
c.setTime(parsedDate);
c.set(Calendar.DAY_OF_MONTH,c.getActualMaximum(Calendar.DAY_OF_MONTH));
calculatedDate=StatsUtils.msToLocalizedString(c.getTimeInMillis(),StatsConstants.STATS_INPUT_DATE_FORMAT);
break;
case YEAR:
sdf=new SimpleDateFormat(StatsConstants.STATS_INPUT_DATE_FORMAT,Locale.ROOT);
parsedDate=sdf.parse(date);
c.setTime(parsedDate);
c.set(Calendar.MONTH,Calendar.DECEMBER);
c.set(Calendar.DAY_OF_MONTH,31);
calculatedDate=StatsUtils.msToLocalizedString(c.getTimeInMillis(),StatsConstants.STATS_INPUT_DATE_FORMAT);
break;
}
}
 catch (ParseException e) {
AppLog.e(AppLog.T.UTILS,e);
}
if (calculatedDate == null) {
AppLog.w(AppLog.T.STATS,"String_Node_Str" + date);
return;
}
if (mListener != null) {
SiteModel site=mSiteStore.getSiteByLocalId(getLocalTableBlogID());
if (site != null && SiteUtils.isAccessedViaWPComRest(site)) {
mListener.onDateChanged(site.getSiteId(),getTimeframe(),calculatedDate);
}
}
AnalyticsUtils.trackWithSiteDetails(AnalyticsTracker.Stat.STATS_TAPPED_BAR_CHART,mSiteStore.getSiteByLocalId(getLocalTableBlogID()));
}