Android - Setting date to RelevantDate with an CursorAdapter -

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let me give example of requirements trying fulfill. (sorry if it's kind of dumb question brain little fried right , i'm working on myself)

i have cursoradapter (w/ sqlite on backend) using listview display content. 1 of fields in list item displaying date item added listview. so...

case:

if today december 31st, 2013 , created list item display "today". on january 1st, 2014 date change "yesterday". , finally, on january 2nd, 2014 date change "12/31/2013".

what simple or elegant way of fulfilling these requirements? don't want checking whole listview dates , mean cpu. ideas on best practice of saving date appreciated!

thanks!

i think i've got working... use method in activity listview , call every oncreate, onstart, , onresume.

 public void setrelevantdate() {     simpledateformat year = new simpledateformat("mm/dd/yyyy", locale.us);      date date = new date();     string current_date = year.format(date);     string db_day_after_creation_date;      //check dates created, sub "today" or "yesterday"     for(sounddata s: app.unsent_recordings){         log.e("sounddata date flag",string.valueof(s.isafter_day_two()));         log.e("sounddata date buffer",s.getdate_buffer());         log.e("sounddata date created",s.getdate_created());          if (!s.isafter_day_two()){ //if 2 days after creation can skip checks item because                                     // has been set initial mm/dd/yyyy date format         string sql_date = s.getdate_buffer();         string db_date = sql_date.substring(0,10);         string db_time = sql_date.substring(11);          //find day after creation date         simpledateformat sdf = new simpledateformat("mm/dd/yyyy", locale.us);         calendar c = calendar.getinstance();         try {             c.settime(sdf.parse(db_date));         } catch (parseexception e) {             e.printstacktrace();         }         c.add(calendar.date, 1);         db_day_after_creation_date = sdf.format(c.gettime());           if (db_date.equals(current_date)){                    s.setdate_created("today, "+db_time);                    app.update_recording_datecreated(s.getid(),"today, "+db_time, s.getdate_buffer(), string.valueof(s.isafter_day_two()));  //datecreated = today, time         }         else if(current_date.equals(db_day_after_creation_date)){                       // if current date equal day after db_created date                    s.setdate_created("yesterday, "+db_time);                                                                 //we can created yesterday                    app.update_recording_datecreated(s.getid(),"yesterday, "+db_time, s.getdate_buffer(), string.valueof(s.isafter_day_two()));            }         else{                 s.setdate_created(sql_date);                                                         //otherwise use normal date                 app.update_recording_datecreated(s.getid(),sql_date,s.getdate_buffer(), string.valueof(s.isafter_day_two()));   //datecreated = datebuffer          }              app.mcursor = app.db.getcursor();             app.rec_adapter.changecursor(app.mcursor);             app.rec_adapter.notifydatasetchanged();                                             //update cursor, notifydatasetchanged()         }

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