How can I implement a ListView without ListActivity? (use only Activity)

Question

I'm new to Android, and I really need to do it this way (I've considered doing it in another Activity), but can anyone show me a simple code (just the onCreate method) that can do Listview without ListActivity?

THanks

Answer 1

If you have an xml layout for the activity including a listView like this

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent" 
android:layout_height="fill_parent">

<ListView android:id="@android:id/list"
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent"
    android:layout_weight="fill_parent"

Then in your onCreate you could have something like this

setContentView(R.layout.the_view);
    ListView lv = (ListView)findViewById(R.id.list);
    lv.setAdapter(...

Answer 2

You could also reference your layout, instantiate a layout object from your code, and then build the ListView in Java. This gives you some flexability in terms of setting dynamic height and width at runtime.

Answer 3

The following creates a simple ListView programmatically:

public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         String[] myList = new String[] {"Hello","World","Foo","Bar"};              
         ListView lv = new ListView(this);
         lv.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,myList));
         setContentView(lv);
}