Authenticate Error In Android application for uploading yout

    import android.app.Activity;
    import android.content.Intent;
    import android.graphics.Bitmap;
    import android.graphics.BitmapFactory;
    import android.net.Uri;
    import android.os.Bundle;
    import android.provider.MediaStore;
    import android.provider.MediaStore.Video;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.Button;
    import android.widget.EditText;
    import android.widget.TextView;
    import android.widget.Toast;

    import com.google.gdata.client.*;
    import com.google.gdata.client.youtube.*;
    import com.google.gdata.data.*;
    import com.google.gdata.data.youtube.VideoEntry;
    import com.google.gdata.data.geo.impl.*;
    import com.google.gdata.data.media.*;
    import com.google.gdata.data.media.mediarss.*;
    import com.google.gdata.data.youtube.*;
    import com.google.gdata.data.extensions.*;
    import com.google.gdata.util.*;
    import java.io.ByteArrayOutputStream;
    import java.io.FileNotFoundException;
    import java.io.IOException;
    import java.io.File;
    import java.net.MalformedURLException;
    import java.net.URL;

    import org.apache.http.auth.AuthenticationException;
     import gr.atc.epart.googlewrapper.youtube.R;
         public class YouTubeActivity extends Activity {
          public static final String developer_key;
	                      public static final String clientID;
	                      protected static final int CAMERA_CAPTURE = 0;
	        YouTubeService service=null;

         	VideoEntry newEntry;

        	public static String username;
	        public static String password;
	       TextView text;
	       TextView user;
	       TextView passwd;
	       EditText enteredName;
	       EditText enteredPasswd;

	static{
/* I know these 4 values : */
		developer_key="";
		clientID="";
		username="";
		password="";
	}

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.login_page);
        text = (TextView) findViewById(R.id.textView1);
        user = (TextView) findViewById(R.id.textView2);
        passwd = (TextView) findViewById(R.id.textView3);
        enteredName = (EditText) findViewById(R.id.editText1);
        enteredPasswd = (EditText) findViewById(R.id.editText2);

        ((Button) findViewById(R.id.button1)).setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				setResult(RESULT_OK);
				finish();
			}
		});

        ((Button) findViewById(R.id.button2)).setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				System.out.println("starting to connect");
				if(enteredName.getText()!=null)
					{
					username = enteredName.getText().toString();
					System.out.println("username: "+username);
					}
				if(enteredPasswd.getText()!=null)
					{
					password = enteredPasswd.getText().toString();
					System.out.println("password: "+password);
					}

				Intent i = new Intent();
				i.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
				startActivityForResult(i, CAMERA_CAPTURE);
				//testGdata();
				//upload();
			}
		});
        Toast.makeText(this, "Authentication Successful", Toast.LENGTH_SHORT).show();
        //testGdata();
	}

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

		super.onActivityResult(requestCode, resultCode, data);
		Uri targetUri;
		if (resultCode == RESULT_OK){
			 targetUri = data.getData();
			System.out.println("target"+targetUri);
			byte[] data1 = null;

		//textTargetUri.setText(targetUri.toString());
			Bitmap bitmap;
			try {

				bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(targetUri));
				System.out.println("bitmap"+bitmap);
				//targetImage.setImageBitmap(bitmap);
				ByteArrayOutputStream baos = new ByteArrayOutputStream();
		        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
		        data1 = baos.toByteArray();
		        upload(data1);
				//
			    //System.out.println("imagedispaly" +targetImage);
			} catch (FileNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}

    public boolean authenticate()
    {
    	//System.out.println("Start authentication!!");
    	boolean auth=false;
    	System.out.println("Start authentication!!");
    	service = new YouTubeService(clientID, developer_key);

    	try
    		{
        	service.setUserCredentials(username, password);
        	System.out.println("service.getCookies(): "+service.getCookies());
    		if(service.getCookies()!=null)
    			auth=true;
    		}
    	catch(Exception e)
    		{
    		System.out.println("Exception: "+e);
    		auth=false;
    		}

    	return auth;
    }

    private void testGdata() {

        YouTubeService service = new YouTubeService(clientID, developer_key);

        VideoEntry newEntry = new VideoEntry();

        YouTubeMediaGroup mg = newEntry.getOrCreateMediaGroup();
        mg.setTitle(new MediaTitle());
        mg.getTitle().setPlainTextContent("Custom title here");
        mg.addCategory(new MediaCategory(YouTubeNamespace.CATEGORY_SCHEME,
"Politics"));
        mg.setKeywords(new MediaKeywords());
        mg.getKeywords().addKeyword("myImportantKeyword");
        mg.setDescription(new MediaDescription());
        mg.getDescription().setPlainTextContent("Custom description here");
        mg.setPrivate(false);
        mg.addCategory(new
MediaCategory(YouTubeNamespace.DEVELOPER_TAG_SCHEME, "mydevtag"));
        mg.addCategory(new
MediaCategory(YouTubeNamespace.DEVELOPER_TAG_SCHEME,
"anotherdevtag"));

        newEntry.setGeoCoordinates(new GeoRssWhere(37.0,-122.0));
        // alternatively, one could specify just a descriptive string
        // newEntry.setLocation("Mountain View, CA");

        //MediaFileSource ms = new MediaFileSource(new File("videofile.3gp"),"video/quicktime");
       //MediaFileSource ms = new MediaFileSource(video, "video/3gpp");
        File n = new File("videofile.3gp");
		MediaFileSource ms = new MediaFileSource(n ,"video/3gp");
        newEntry.setMediaSource(ms);

        String uploadUrl = "http://uploads.gdata.youtube.com/feeds/api/users/default/uploads";

        try {
                VideoEntry createdEntry = service.insert(new URL(uploadUrl),
newEntry);
        } catch (MalformedURLException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
        } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
        } catch (ServiceException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
        }
}

    public void upload(byte[] data)
    {
    	boolean auth;
    	try{
    		auth=authenticate();
        	System.out.println("auth in upload: "+auth);
    		if(auth)
    			{
    			Toast.makeText(YouTubeActivity.this, "Connected to youTube", Toast.LENGTH_LONG);
    			finish();
    			}
    		else
    			System.out.println("not authenticated!!!");
//    		newEntry = new VideoEntry();
//    		YouTubeMediaGroup mg = newEntry.getOrCreateMediaGroup();
//    		mg.setTitle(new MediaTitle());
//    		mg.getTitle().setPlainTextContent("iconApp");
//    		mg.addCategory(new MediaCategory(YouTubeNamespace.CATEGORY_SCHEME, "Autos"));
//    		mg.setKeywords(new MediaKeywords());
//    		mg.getKeywords().addKeyword("aa");
//    		mg.getKeywords().addKeyword("bb");
//    		mg.setDescription(new MediaDescription());
//    		mg.getDescription().setPlainTextContent("My description");
//    		mg.setPrivate(false);
//    		mg.addCategory(new MediaCategory(YouTubeNamespace.DEVELOPER_TAG_SCHEME, "mydevtag"));
//    		mg.addCategory(new MediaCategory(YouTubeNamespace.DEVELOPER_TAG_SCHEME, "anotherdevtag"));
//
//    		newEntry.setGeoCoordinates(new GeoRssWhere(37.0,-122.0));
//    		// alternatively, one could specify just a descriptive string
//    		// newEntry.setLocation("Mountain View, CA");
//
//    		URL uploadUrl = new URL("http://gdata.youtube.com/action/GetUploadToken");
//    		FormUploadToken token = service.getFormUploadToken(uploadUrl, newEntry);
//
//    		System.out.println("token.getUrl() in upload: "+ token.getUrl());
//    		System.out.println("token.getToken() in upload: "+token.getToken());

    		}
    	catch(Exception e)
    		{
    		System.out.println("Exception: "+e);
    		}

    }

  public void uploadStatus()
  {
	  if(newEntry.isDraft()) {
		  System.out.println("Video is not live");
		  YtPublicationState pubState = newEntry.getPublicationState();
		  if(pubState.getState() == YtPublicationState.State.PROCESSING) {
		    System.out.println("Video is still being processed.");
		  }
		  else if(pubState.getState() == YtPublicationState.State.REJECTED) {
		    System.out.print("Video has been rejected because: ");
		    System.out.println(pubState.getDescription());
		    System.out.print("For help visit: ");
		    System.out.println(pubState.getHelpUrl());
		  }
		  else if(pubState.getState() == YtPublicationState.State.FAILED) {
		    System.out.print("Video failed uploading because: ");
		    System.out.println(pubState.getDescription());
		    System.out.print("For help visit: ");
		    System.out.println(pubState.getHelpUrl());
		  }
		}
  }



    }