Android Open Source - HashQanda Twitter O Auth Activity

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Back to project page HashQanda.

License

The source code is released under:

GNU General Public License

Java Source Code

package au.com.infiniterecursion.hashqanda;
//from   w ww  .j  a  va  2  s  .  c om
import oauth.signpost.OAuthProvider;
import oauth.signpost.commonshttp.CommonsHttpOAuthConsumer;
import oauth.signpost.commonshttp.CommonsHttpOAuthProvider;
import twitter4j.http.AccessToken;
import android.app.Activity;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;

/*
 * Twitter OAuth HashQanda Activity 
 * 
 * AUTHORS:
 * 
 * Andy Nicholson
 * 
 * 2011
 * Copyright Infinite Recursion Pty Ltd.
 * http://www.infiniterecursion.com.au
 */

/**
 * Inspiration -
 * http://androidforums.com/introductions/218621-twitter4j-oauth-android
 * -simple.html
 * 
 * @author andycat
 * 
 */

public class TwitterOAuthActivity extends Activity {

  private String TAG = "hashqanda-TwitterOAuthActivity";
  private CommonsHttpOAuthConsumer httpOauthConsumer;
  private OAuthProvider httpOauthprovider;
  public final static String consumerKey = "Q2DfeCNOxprbDp66fWlw";
  public final static String consumerSecret = "TgyJ26CKXz1SxGiEJx4HG9rytFsqiMZlEPeCO7S9g";
  private final String CALLBACKURL = "hashqanda://TwitterOAuthActivityCallback";

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.twitter_oauth_browser);

    doOauth();

  }

  private class TwitterOAuthWebViewClient extends WebViewClient {
    public boolean shouldOverrideUrlLoading(WebView v, String url) {
      Log.d(TAG, " Url is " + url);

      if (url != null && url.startsWith(CALLBACKURL)) {

        parseUri(url);

        finish();

        return true;
      }

      return false;
    }

  }

  /**
   * Opens the browser using signpost jar with application specific
   * consumerkey and consumerSecret.
   */

  private void doOauth() {

    try {
      httpOauthConsumer = new CommonsHttpOAuthConsumer(consumerKey,
          consumerSecret);
      httpOauthprovider = new CommonsHttpOAuthProvider(
          "http://twitter.com/oauth/request_token",
          "http://twitter.com/oauth/access_token",
          "http://twitter.com/oauth/authorize");
      String authUrl = httpOauthprovider.retrieveRequestToken(
          httpOauthConsumer, CALLBACKURL);

      WebView webv = (WebView) findViewById(R.id.webkitWebView1);
      webv.setWebViewClient(new TwitterOAuthWebViewClient());

      webv.loadUrl(authUrl);

    } catch (Exception e) {
      e.printStackTrace();
      Log.d(TAG, " doOauth errored " + e.getMessage());
      Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG).show();
      finish();
    }
  }

  /**
   * After user authorizes this is the function where we get called back, with
   * user specific token and secret token. We store this token for future use.
   */

  protected void parseUri(String url) {

    Uri uri = Uri.parse(url);

    String verifier = uri
        .getQueryParameter(oauth.signpost.OAuth.OAUTH_VERIFIER);

    try {
      // this will populate token and token_secret in consumer

      httpOauthprovider.retrieveAccessToken(httpOauthConsumer, verifier);

      AccessToken a = new AccessToken(httpOauthConsumer.getToken(),
          httpOauthConsumer.getTokenSecret());

      SharedPreferences prefs = PreferenceManager
          .getDefaultSharedPreferences(getBaseContext());
      Editor editor = prefs.edit();
      editor.putString("twitterToken", a.getToken());
      editor.putString("twitterTokenSecret", a.getTokenSecret());
      editor.commit();

      Toast.makeText(TwitterOAuthActivity.this,
          R.string.twitter_authorisation_successfully,
          Toast.LENGTH_LONG).show();

    } catch (Exception e) {

      Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG).show();

    }

  }

}

Java Source Code List

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