Stringselection=Sqlite.COL_INSTANCE+"='"+instance+"' AND "+Sqlite.COL_USER_ID+"= '"+user_id+"' AND "+Sqlite.COL_TYPE+"= '"+Timeline.TimeLineEnum.NOTIFICATION.getValue()+"' ";
Stringselection=Sqlite.COL_INSTANCE+"='"+instance+"' AND "+Sqlite.COL_USER_ID+"= '"+user_id+"' AND "+Sqlite.COL_TYPE+"= '"+Timeline.TimeLineEnum.CONVERSATION.getValue()+"' ";