android - Add item in a ListView -

i have activity that's creating check list, if close activity button list saved in database.

the list database used mainactivity content.

this how app look:

if press list item button, new element should added list. how can add , sisplay new item (layout checkbox , edittext)?

do need adapter? don't want 'list item' part repeated.

that looks after press 4 times

activity

private arrayadapter madapter; 

oncreate

listview lv = (listview) findviewbyid(r.id.my_list); list<string> initiallist = new arraylist<string>(); //load these  madapter = new arrayadapter(this, android.r.id.text1, initiallist) lv.setadapter(madapter); 

when event happens

madapter.add(newstring);  

the add method in arrayadpater automatically take care of notifydatasetchanged() call , update display.

textwatcher you might not need part, it's if want text added text changed question seems indicate - risky because might partial entries, recommend done button instead, in case aftertextchanged stuff in onclick method.

edittext edittext = (edittext) findviewbyid(r.id.my_edit_text);  edittext .addtextchangedlistener(new textwatcher(){          @override         public void aftertextchanged(editable arg0) {              //todo: check isnt emtpy              string text = arg0.gettext().tostring();             madapter.add(text);               //hide add item views again             arg0.settext("");             arg0.setvisibility(view.gone);           }          @override         public void beforetextchanged(charsequence arg0, int arg1,                 int arg2, int arg3) { /*nothing*/ }          @override         public void ontextchanged(charsequence arg0, int arg1, int arg2,                 int arg3) { /*nothing*/ }    });