error this code

[MansoorJafari]

void android.widget.LinearLayout.setBackgroundColor(int)' on a null object reference

in ShowDayViewEventsListAdapter class
and this line

if (!AppConstants.strEventCellBackgroundColor.equals("null")) { ll_month_events.setBackgroundColor(Color.parseColor(AppConstants.strEventCellBackgroundColor)); }

please help