Cursor getContentResolver

/**
 * This interface provides random read-write access to the result set returned
 * by a database query.
 */
public class cp extends ListActivity {
    
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

 /**
     * This method allows the activity to take care of managing the given
     * {@link Cursor}'s lifecycle for you based on the activity's lifecycle.
     * That is, when the activity is stopped it will automatically call
     * {@link Cursor#deactivate} on the given Cursor, and when it is later restarted
     * it will call {@link Cursor#requery} for you.  When the activity is
     * destroyed, all managed Cursors will be closed automatically.
     * 
     * @param c The Cursor to be managed.
     * 
     * @see #managedQuery(android.net.Uri , String[], String, String[], String)
     * @see #stopManagingCursor
     */

        Cursor c = getContentResolver().query(Phones.CONTENT_URI, null, null, null, null);
        startManagingCursor(c); 
        ListAdapter adapter = new SimpleCursorAdapter(this,
                android.R.layout.simple_list_item_2, c, 
                        new String[] { Phones.NAME, Phones.NUMBER }, 
                        new int[] { android.R.id.text1, android.R.id.text2 });
        setListAdapter(adapter);
    }    
}