android - how to make group by in listview -


i have custom list view custom array adapter.. fill list view array data base...

the problems = how can show list view distinct in database / group by... want listview, not data base because reason...

here snipcode

public void setlistview(){     int jumlahdata = a_bonrokok_main.count;     int jumlahdatadetail = a_bonrokok_main.countdetail;      log.d("jumlah data : ", ""+jumlahdata);     log.d("jumlah data detail : ", ""+jumlahdatadetail);      if(jumlahdata > 0){         tabitemlist = new arraylist<bonrokok_salesplandetail_model>();         final bonrokok_tabitem_adapter adapter = new bonrokok_tabitem_adapter(getactivity(), tabitemlist);          (int = 0; < jumlahdatadetail;  i++) {             string namarokok = a_bonrokok_main.namarokok[i];             string jumlah    = a_bonrokok_main.jumlah[i];             string satuan    = a_bonrokok_main.satuan[i];             tabitemlist.add(new bonrokok_salesplandetail_model(namarokok, integer.parseint(jumlah), satuan));              log.d("nama rokok : ", namarokok);             log.d("jumlah : ", jumlah);             log.d("satuan : " , satuan);         }         listcontent.setadapter(adapter);     }     else     {         tabitemlist = new arraylist<bonrokok_salesplandetail_model>();         final bonrokok_tabitem_adapter adapter = new bonrokok_tabitem_adapter(getactivity(), tabitemlist);         listcontent.setadapter(adapter);     }  }

with code data this

cigar 1 | 10 cigar 2 | 10 cigar 1 | 10 cigar 2 | 10

what want this

cigar 1 | 20 cigar 2 | 20


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