java - How to know in which item a button was clicked -


so far have list view custom adapter, , each item in list has button. im confused; im trying following:

when user clicks on button(a delete button) in item in list, want know in item button clicked can know item delete-how implement this? ive seen setting tags, im still lost.

i have tried reach button list layout main activity, , cannot reference it.

please can give me detailed description on how want thanks.

added adapter code:

public class locationadapter extends baseadapter{ string [] n; context context; string[] a;  private static layoutinflater inflater=null; public locationadapter(mainactivity mainactivity, string[] names, string[] addresses) {     // todo auto-generated constructor stub     n=names;     context=mainactivity;     a=addresses;     inflater = ( layoutinflater )context.             getsystemservice(context.layout_inflater_service); } @override public int getcount() {     // todo auto-generated method stub     return n.length; }  @override public object getitem(int position) {     // todo auto-generated method stub     return position; }  @override public long getitemid(int position) {     // todo auto-generated method stub     return position; }  public class holder {     textview name;     textview address;     imagebutton ib; }  @override public view getview(final int position, view convertview, viewgroup parent) {     // todo auto-generated method stub     holder holder=new holder();     view rowview;     rowview = inflater.inflate(r.layout.rowlayout2, null);     holder.name =(textview) rowview.findviewbyid(r.id.edittextname);     holder.address =(textview) rowview.findviewbyid(r.id.edittextaddress);     holder.ib = (imagebutton) rowview.findviewbyid(r.id.delete);     holder.name.settext(n[position]);     holder.address.settext(a[position]);     holder.ib.settag(convertview);     rowview.setonclicklistener(new onclicklistener() {         @override         public void onclick(view v) {             // todo auto-generated method stub             toast.maketext(context, "you clicked "+n[position], toast.length_long).show();         }      });     return rowview; }

}

implement onclicklistener delete button.

when delete button clicked, remove row in data source @ position, , call notifydatasetchanged()

@override public view getview(final int position, view convertview, viewgroup parent) {     // todo auto-generated method stub     holder holder=new holder();     view rowview;     rowview = inflater.inflate(r.layout.rowlayout2, null);     holder.name =(textview) rowview.findviewbyid(r.id.edittextname);     holder.address =(textview) rowview.findviewbyid(r.id.edittextaddress);     holder.ib = (imagebutton) rowview.findviewbyid(r.id.delete);     holder.name.settext(n[position]);     holder.address.settext(a[position]);     holder.ib.settag(convertview);      //add on-click of delete button     holder.ib.setonclicklistener(new onclicklistener(){          //delete row in data source specified @ position      });      rowview.setonclicklistener(new onclicklistener() {         @override         public void onclick(view v) {             // todo auto-generated method stub             toast.maketext(context, "you clicked "+n[position], toast.length_long).show();         }      });     return rowview; }

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