Old example, edited in 2009...

/**
* Fetch JSON object from distant server (Generated by PHP)
* Parse JSON stream
* Get Image ressource from Internet
* Print List with Icones
**/

src/myGuide.java

package com.example.augmentedTV;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.ListActivity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

/**
 * Fetch JSON object from distant server (Generated by PHP) Parse JSON stream
 * Get Image ressource from Internet Print List with Icones
 **/

public class myGuide extends ListActivity {

	private static final String LOG_TAG = "myGuide";
	private static final String SITE_URL = "http://www.XXX.net/mobile/";

	public static HashMap<Integer, JSONObject> channelMap;
	public static HashMap<Integer, Bitmap> iconsMap;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		getEmissions();
		setListAdapter(new EfficientAdapter(this));
	}

	public void getEmissions() {
		channelMap = new HashMap<Integer, JSONObject>();
		iconsMap = new HashMap<Integer, Bitmap>();
		try {
			/*
			 * JSON string provided by PHP { 1: { id: "14", titre: "France 2",
			 * emission: "La légende de Santa Senara", debut: "14h50", fin:
			 * "16h35", icone: http://www.XXX.net/tv/images/france2.gif }, ... }
			 */
			JSONObject jsonChannels = getHttpJson(SITE_URL + "?action=channel");
			JSONArray nameArray = jsonChannels.names();
			JSONArray valArray = jsonChannels.toJSONArray(nameArray);

			for (int i = 0; i < valArray.length(); i++) {
				int myChannelNumber = nameArray.getInt(i);
				JSONObject myChannel = valArray.getJSONObject(i);

				URL myFileUrl = null;
				try {
					myFileUrl = new URL(myChannel.getString("icone"));
				} catch (MalformedURLException e) {
					Log.e(LOG_TAG,
							"getView() There was a malformed url based error",
							e);
				}
				try {
					HttpURLConnection conn = (HttpURLConnection) myFileUrl
							.openConnection();
					conn.setDoInput(true);
					conn.connect();
					Bitmap bitmap = BitmapFactory.decodeStream(conn
							.getInputStream());
					conn.disconnect();
					iconsMap.put(myChannelNumber, bitmap);

				} catch (IOException e) {
					Log
							.e(
									LOG_TAG,
									"getView() There was a url access to image based error",
									e);
				}

				channelMap.put(myChannelNumber, myChannel);
			}
		} catch (JSONException e) {
			Log.e(LOG_TAG, "There was a Json parsing based error", e);
		}
	}

	private static class EfficientAdapter extends BaseAdapter {
		private LayoutInflater mInflater;

		public EfficientAdapter(Context context) {
			mInflater = LayoutInflater.from(context);
		}

		public int getCount() {
			return channelMap.size();
		}

		public Object getItem(int position) {
			return position;
		}

		public long getItemId(int position) {
			return position;
		}

		public View getView(int position, View convertView, ViewGroup parent) {
			ViewHolder holder;
			if (convertView == null) {
				convertView = mInflater.inflate(R.layout.list_item_icon_text,
						null);

				holder = new ViewHolder();
				holder.titre = (TextView) convertView.findViewById(R.id.titre);
				holder.soustitre = (TextView) convertView
						.findViewById(R.id.soustitre);
				holder.icon = (ImageView) convertView.findViewById(R.id.icon);
				convertView.setTag(holder);
			} else {
				holder = (ViewHolder) convertView.getTag();
			}
			if (channelMap.containsKey((position + 1)) == true) {
				try {
					JSONObject obj = (JSONObject) channelMap
							.get((position + 1));
					holder.titre.setText(obj.getString("titre") + " de "
							+ obj.getString("debut") + " à "
							+ obj.getString("fin"));
					holder.soustitre.setText(obj.getString("emission"));
					if (iconsMap.containsKey((position + 1)) == true)
						holder.icon
								.setImageBitmap(iconsMap.get((position + 1)));
				} catch (JSONException e) {
					Log
							.e(
									LOG_TAG,
									"getView() There was a Json parsing based error",
									e);
				}
			}
			return convertView;
		}

		static class ViewHolder {
			TextView titre;
			TextView soustitre;
			ImageView icon;
		}
	}

	private static String convertStreamToString(InputStream is) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(is));
		StringBuilder sb = new StringBuilder();
		String line = null;
		try {
			while ((line = reader.readLine()) != null) {
				sb.append(line + "\n");
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				is.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return sb.toString();
	}

	public JSONObject getHttpJson(String url) {
		JSONObject json = null;
		String result = getHttp(url);
		try {
			json = new JSONObject(result);
		} catch (JSONException e) {
			Log.e(LOG_TAG, "There was a Json parsing based error", e);
		}
		return json;
	}

	public String getHttp(String url) {
		Log.d(LOG_TAG, "getHttp : " + url);
		String result = "";
		HttpClient httpclient = new DefaultHttpClient();
		HttpGet httpget = new HttpGet(url);
		HttpResponse response;
		try {
			response = httpclient.execute(httpget);
			// Log.i(LOG_TAG, response.getStatusLine().toString());
			HttpEntity entity = response.getEntity();
			if (entity != null) {
				InputStream instream = entity.getContent();
				result = convertStreamToString(instream);
				Log.i(LOG_TAG, result);
				instream.close();
			}
		} catch (ClientProtocolException e) {
			Log.e(LOG_TAG, "There was a protocol based error", e);
		} catch (IOException e) {
			Log.e(LOG_TAG, "There was an IO Stream related error", e);
		}
		return result;
	}

}

res/layout/list_item_icon_text.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="?android:attr/listPreferredItemHeight"
    android:padding="0dip">

    <ImageView
        android:id="@+id/icon"
        android:layout_width="48dip"
        android:layout_height="48dip"
        android:layout_marginRight="6dip" />

    <TextView
    	android:id="@+id/titre"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@id/icon" 
        android:gravity="center_vertical"
        android:singleLine="true"
        android:ellipsize="marquee"
        style="@style/titreList" />

    <TextView
        android:id="@+id/soustitre"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" 
        android:layout_below="@id/titre"
        android:layout_toRightOf="@id/icon"
        android:gravity="center_vertical"
        android:singleLine="true"
        android:ellipsize="marquee"
        android:textAppearance="?android:attr/textAppearanceLarge"
        style="@style/textList" />
        
</RelativeLayout>

res/values/styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>

	<style name="bytelTheme" parent="android:style/Theme.Light.NoTitleBar">
		<item name="android:windowNoTitle">true</item>
		<item name="android:windowBackground">@drawable/bg</item>
	</style>

	<style name="titreList">
		<item name="android:textSize">14px</item>
		<item name="android:textColor">#999999</item>
	</style>

	<style name="textList">
		<item name="android:textSize">16px</item>
		<item name="android:textStyle">bold</item>
		<item name="android:textColor">#666666</item>
	</style>
	
	<style name="textList2">
		<item name="android:textSize">12px</item>
		<item name="android:textColor">#999999</item>
	</style>
	
</resources>

manifest.xml

<activity android:name="initTV" android:label="@string/app_name" android:theme="@style/bytelTheme">
	<intent-filter>
		<action android:name="android.intent.action.MAIN" />
		<category android:name="android.intent.category.LAUNCHER" />
	</intent-filter>
</activity>