[android-developers] Adding a ListView to a custom ViewGroup

[John Gaby]

I am trying to create a ListView and add it to a custom ViewGroup.
Here is my code:

public class HelloAndroid extends Activity
{
    private static final String[] PHOTOS_NAMES = new String[] {
        "Lyon",
        "Livermore",
        "Tahoe Pier",
        "Lake Tahoe",
        "Grand Canyon",
        "Bodie"
    };


    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        TextView tv = new TextView(this);
        MyViewGroup vg = new MyViewGroup(this);
        ListView lv = new ListView(this);

        tv.setText("Some Text");
        tv.layout(0, 0, 200, 40);
        vg.addView(tv);

        lv.layout(0, 40, 200, 200);

        final ArrayAdapter<String> adapter = new
ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_1, PHOTOS_NAMES);

        lv.setAdapter(adapter);

        vg.addView(lv);

        setContentView(vg);
    }
}

When I do this, I see the "Some Text" TextView (which I also am adding
to my ViewGroup), but I don't see the ListView.  Now if I set the
ListView as the content view, (i.e. setContentView(lv)) it shows up.

Does anyone have any idea what I am doing wrong?

Thanks.

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