passing metadata from one activity to the next in an android listview


I understand that there's a set of methods used to pass data from one activity to the next using, but how do I model it from within the activity with the list view?

Example: I have a json object which i use to populate a listview. Each list item has an id. I want to pass the id to the next activity on click. How do I know that listview's item id? I wasn't sure how to attach arbitrary metadata to a listview item and immediately grab it and pass it along.

public class StuffListActivity extends ListActivity { private MyApplication application = null; /** * Called when the activity is first created. * * @param savedInstanceState the saved instance state */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); application = ((Application) getApplication()); Requestor req = new Requestor(); Application.log(listType.toString()); ArrayList<String> list = req.getStuff(application.getId(), listType); adapter = new ArrayAdapter<String>(this, R.layout.list, R.id.stuff, list); setListAdapter(adapter); } protected void onListItemClick(ListView l, View v, int position, long id) { String item = (String) getListAdapter().getItem(position); Toast.makeText(this, item + " selected", Toast.LENGTH_LONG).show(); } }


Use <strong>setTag()</strong> and <strong>getTag()</strong> property for list view in Adapter getView() code.. to store and retrieve the data.


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