dynamically adding item to listview with the result given by the child activity

view story

http://stackoverflow.com – i am stuck while developing my program. i am not able to find the solution what i am doing is, from one activity (A) i am calling other activity (B) for result. now in activity A i have a list view. for that listview i have an ArrayAdapter the code for that purpose is : String []name_list = myarraylist.toArray(new String[myarraylist.size()]); ArrayAdapter<String> adapter = new ArrayAdapter <String>(this, R.layout.textview,name_list); setListAdapter(adapter); Activity A is ListActivity. now , i have a menu option, clicking on which takes me to another activity, an returns wi (HowTos)