use callback url also.
On Thu, Nov 11, 2010 at 12:53 PM, Babita kumari <[email protected]
> wrote:
>
>
> Ya Bibek ,
>
> I am getting following error :
>
> 11-10 10:48:46.348: ERROR/OAUTH(409): Communication with the service
> provider failed: Received authentication challenge is null
>
>
>
> I have added Twitter4J and signpost as library and I have registered as
> client type on Twitter . And my code is following:
>
>
>
> public class TwApp extends Activity
> {
> private static final String APP ="OAUTH";
>
> private Twitter twitter;
> TextView tweettx;
> Button login;
>
> private OAuthProvider provider;
>
> private CommonsHttpOAuthConsumer consumer;
> private static final String CONSUMER_KEY = " consumer key... ";
> private static final String CONSUMER_SECRET = "consumerSecret key..";
>
> String verifier ;
>
> /** Called when the activity is first created. */
> @Override
> public void onCreate(Bundle savedInstanceState)
> {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
>
> tweettx = (TextView)findViewById(R.id.tweet);
>
> login = (Button) findViewById(R.id.main_loin_button);
>
>
>
> login.setOnClickListener(new OnClickListener()
> {
> public void onClick(View v)
> {
> askOAuth();
> }
> });
> }
>
>
> private void askOAuth()
> {
> try
> {
> consumer = new CommonsHttpOAuthConsumer(CONSUMER_KEY,
> CONSUMER_SECRET );
> provider = new DefaultOAuthProvider("
> https://api.twitter.com/oauth/request_token";,
> "
> https://api.twitter.com/oauth/access_token";,
> "
> https://api.twitter.com/oauth/authorize";);
>
> String authUrl = provider.retrieveRequestToken(consumer,
> OAuth.OUT_OF_BAND);
> System.out.println("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&" +
> authUrl);
>
> Toast.makeText(this, "Please authorize this app!",
> Toast.LENGTH_LONG).show();
>
> this.startActivity(new Intent(Intent.ACTION_VIEW,
> Uri.parse(authUrl)));
>
> } catch (Exception e)
> {
> System.out.println("&&&&&&&&&&&&&&&&ERROR_____" + e);
> Log.e(APP, e.getMessage());
> Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG).show();
> }
> }
>
>
> @Override
> protected void onNewIntent(Intent intent)
> {
> super.onNewIntent(intent);
>
> Uri uri = intent.getData();
> if (uri != null && uri.toString().startsWith( OAuth.OUT_OF_BAND))
> {
> verifier =
> uri.getQueryParameter(oauth.signpost.OAuth.OAUTH_VERIFIER);
> }
>
> try {
> // this will populate token and token_secret in consumer
> provider.retrieveAccessToken(consumer, verifier);
>
> // TODO: you might want to store token and token_secret in
> you app settings!!!!!!!!
> AccessToken a = new AccessToken(consumer.getToken(),
> consumer.getTokenSecret());
>
> // initialize Twitter4J
> twitter = new TwitterFactory().getInstance();
> twitter.setOAuthConsumer(CONSUMER_KEY, CONSUMER_SECRET);
> twitter.setOAuthAccessToken(a);
>
> // create a tweet
> Date d = new Date(System.currentTimeMillis());
> String tweet = "#OAuth working! " + d.toLocaleString();
>
> // send the tweet
> twitter.updateStatus(tweet);
>
> // feedback for the user...
> tweettx.setText(tweet);
> Toast.makeText(this, tweet, Toast.LENGTH_LONG).show();
> login.setVisibility(Button.GONE);
>
> } catch (Exception e) {
> Log.e(APP, e.getMessage());
> Toast.makeText(this, e.getMessage(),
> Toast.LENGTH_LONG).show();
> }
>
> }
>
>
> }
>
>
>
> Can you reply fast as its very urgent.
>
>
>
>
> Thanks
> Babita
>
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