"can't video play error display" after playing video in android

"can't video play error display" after playing video in android

In my code ,display youtube video in video viewer.
I am successfully done but end of the video display dialogue "Can't not
play video"
here my code
package com.example.videodemo;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import android.app.Activity;
import android.app.ProgressDialog;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.MediaController;
import android.widget.ProgressBar;
import android.widget.Toast;
import android.widget.VideoView;
public class MainActivity extends Activity {
private VideoView videoViewer;
private ProgressBar mProgressBar;
String videoUrl ="http://podcast.20min-tv.ch/podcast/20min/199733.mp4";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
videoViewer=(VideoView)findViewById(R.id.videoView1);
//videoViewer.setVideoPath("/sdcard/documentariesandyou.mp4");
/* Uri uri=Uri.parse(path1);
http://www.youtube.com/watch?v=Hxy8BZGQ5Jo
videoViewer.setVideoURI(uri); */
mProgressBar = (ProgressBar) findViewById(R.id.Progressbar);
mProgressBar.setProgress(0);
mProgressBar.setMax(100);
mProgressBar.setVisibility(View.INVISIBLE);
videoViewer.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
Toast.makeText(MainActivity.this, "End Video",
Toast.LENGTH_LONG).show();
}
});
new YourAsyncTask().execute();
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
Toast.makeText(MainActivity.this, "Pause Video",
Toast.LENGTH_LONG).show();
}
@Override
protected void onStop() {
// TODO Auto-generated method stub
super.onStop();
Toast.makeText(MainActivity.this, "Stop Video",
Toast.LENGTH_LONG).show();
}
@Override
protected void onDestroy() {
super.onDestroy();
//Toast.makeText(MainActivity.this, "Destroy Video",
Toast.LENGTH_LONG).show();
/*WifiManager wifiManager = null;
wifiManager.disconnect();*/
}
private class YourAsyncTask extends AsyncTask<Void, Void, Void>
{
ProgressDialog progressDialog;
@Override
protected void onPreExecute()
{
super.onPreExecute();
progressDialog = ProgressDialog.show(MainActivity.this, "",
"Loading Video wait...", true);
}
@Override
protected Void doInBackground(Void... params)
{
try
{
String url = "https://www.youtube.com/watch?v=SyrO83x7g-E";
videoUrl = getUrlVideoRTSP(url);
Log.e("Video url for playing=========>>>>>", videoUrl);
}
catch (Exception e)
{
Log.e("Login Soap Calling in Exception", e.toString());
}
return null;
}
@Override
protected void onPostExecute(Void result)
{
super.onPostExecute(result);
try {
progressDialog.dismiss();
videoViewer.setVideoURI(Uri.parse(videoUrl));
MediaController mc = new MediaController(MainActivity.this);
//videoViewer.setMediaController(mc);
videoViewer.requestFocus();
videoViewer.start();
mc.show();
} catch (Exception e) {
e.printStackTrace();
}
}
}
public static String getUrlVideoRTSP(String urlYoutube)
{
try
{
String gdy = "http://gdata.youtube.com/feeds/api/videos/";
DocumentBuilder documentBuilder =
DocumentBuilderFactory.newInstance().newDocumentBuilder();
String id = extractYoutubeId(urlYoutube);
URL url = new URL(gdy + id);
HttpURLConnection connection = (HttpURLConnection)
url.openConnection();
Document doc =
documentBuilder.parse(connection.getInputStream());
Element el = doc.getDocumentElement();
NodeList list =
el.getElementsByTagName("media:content");///media:content
String cursor = urlYoutube;
for (int i = 0; i < list.getLength(); i++)
{
Node node = list.item(i);
if (node != null)
{
NamedNodeMap nodeMap = node.getAttributes();
HashMap<String, String> maps = new HashMap<String,
String>();
for (int j = 0; j < nodeMap.getLength(); j++)
{
Attr att = (Attr) nodeMap.item(j);
maps.put(att.getName(), att.getValue());
}
if (maps.containsKey("yt:format"))
{
String f = maps.get("yt:format");
if (maps.containsKey("url"))
{
cursor = maps.get("url");
}
if (f.equals("1"))
return cursor;
}
}
}
return cursor;
}
catch (Exception ex)
{
Log.e("Get Url Video RTSP Exception======>>", ex.toString());
}
return urlYoutube;
}
protected static String extractYoutubeId(String url) throws
MalformedURLException
{
String id = null;
try
{
String query = new URL(url).getQuery();
if (query != null)
{
String[] param = query.split("&");
for (String row : param)
{
String[] param1 = row.split("=");
if (param1[0].equals("v"))
{
id = param1[1];
}
}
}
else
{
if (url.contains("embed"))
{
id = url.substring(url.lastIndexOf("/") + 1);
}
}
}
catch (Exception ex)
{
Log.e("Exception", ex.toString());
}
return id;
}
}