CustomListViewActivity.java

package com.test.customlistview;

import java.util.LinkedList;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.ListView;
import android.widget.TextView;

public class CustomListViewActivity extends Activity {

   private class StringAdapter extends ArrayAdapter<String> {

      public StringAdapter(Context context) {
         super(context, R.layout.simple_list_row, R.id.TextView);
      }

      public View getView(int position, View convertView, ViewGroup parent) {
         if (convertView == null) {
            convertView = super.getView(position, convertView, parent);
         }

         String item = getItem(position);

         ((TextView) convertView.findViewById(R.id.TextView)).setText(item);

         return convertView;
      }

      public void add(List<String> items) {
         int size = items.size();

         for (int i = 0; i < size; i++) {
            add(items.get(i));
         }
      }

   }

   private class AlbumsGridViewAdapter extends ArrayAdapter<GridView> {

      public AlbumsGridViewAdapter(Context context, int rowLayout) {
         super(context, rowLayout, R.id.TextView);
      }

      @Override
      public View getView(int position, View convertView, ViewGroup parent) {
         return getItem(0).getAdapter().getView(position, convertView, parent);
      }

   }

   private ListView listView;
   private SectionAdapter adapter;

   private StringAdapter artistsAdapter;
   private StringAdapter albumsAdapter;
   private StringAdapter tracksAdapter;

   private AlbumsGridViewAdapter albumsGridViewAdapter;

   private GridView gridView;

   private void display() {
      artistsAdapter.clear();
      albumsAdapter.clear();
      tracksAdapter.clear();

      adapter.notifyDataSetChanged();

      List<String> artists = new LinkedList<String>();
      artists.add("String Item 1.1");
      artists.add("String Item 1.2");
      artists.add("String Item 1.3");
      artists.add("String Item 1.4");

      List<String> albums = new LinkedList<String>();
      albums.add("GridView Item 1");
      albums.add("GridView Item 2");
      albums.add("GridView Item 3");
      albums.add("GridView Item 4");

      List<String> tracks = new LinkedList<String>();
      tracks.add("String Item 2.1");
      tracks.add("String Item 2.2");
      tracks.add("String Item 2.3");
      tracks.add("String Item 2.4");

      artistsAdapter.add(artists);
      albumsAdapter.add(albums);
      tracksAdapter.add(tracks);
      albumsGridViewAdapter.notifyDataSetChanged();
   }

   @Override
   public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.main);

      adapter = new SectionAdapter(this);

      artistsAdapter = new StringAdapter(this);
      albumsAdapter = new StringAdapter(this);
      tracksAdapter = new StringAdapter(this);

      albumsGridViewAdapter = new AlbumsGridViewAdapter(this, R.layout.grid_list_row);

      LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      View view = inflater.inflate(R.layout.grid_list_row, null);

      gridView = (GridView) view.findViewById(R.id.GridView);
      gridView.setAdapter(albumsAdapter);
      albumsGridViewAdapter.add(gridView);

      adapter.addSection("Artists", artistsAdapter);
      adapter.addSection("Albums", albumsGridViewAdapter);
      adapter.addSection("Tracks", tracksAdapter);

      listView = (ListView) findViewById(R.id.ListView);
      listView.setAdapter(adapter);

      display();
   }
}