Bagaimana untuk Menyesuaikan Item Baris dalam Android ListView: Panduan Langkah demi Langkah?

HEADER
Text

data_array = populateString();
adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, android.R.id.text1,  data_array);
listView.setAdapter(adapter);

<code class="xml"><?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <TextView android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Header"/>

    <TextView 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/text"/>
    
</LinearLayout></code>

<code class="xml"><?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="horizontal" >

    <ListView
        android:id="@+id/listview"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" >
    </ListView>

</LinearLayout></code>

<code class="java">class yourAdapter extends BaseAdapter {

    // ... (the adapter code) ...
    
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        // ... (customizing view) ...
        TextView text = (TextView) vi.findViewById(R.id.text);
        text.setText(data[position]);
        return vi;
    }
}</code>

<code class="java">public class StackActivity extends Activity {

    // ... (the activity code) ...
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        // ... (setting up listview) ...
        listview.setAdapter(new yourAdapter(this, new String[] { "data1", "data2" }));
    }
}</code>