Android Open Source - android-twitter-integration Login Fragment

• Back to Twitter/project  ↑

From Project

Back to project page android-twitter-integration.

License

The source code is released under:

Apache License

Java Source Code

package learn2crack.androidtwitterapi;
/* w  ww. ja  va  2 s  . c om*/

import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.User;
import twitter4j.auth.AccessToken;
import twitter4j.auth.RequestToken;
import android.app.Dialog;
import android.app.Fragment;
import android.app.FragmentTransaction;
import android.app.ProgressDialog;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ImageView;
import android.widget.Toast;

public class LoginFragment extends Fragment {
    ImageView login;
    Twitter twitter;
    RequestToken requestToken = null;
    AccessToken accessToken;
    String oauth_url,oauth_verifier,profile_url;
    Dialog auth_dialog;
    WebView web;
    SharedPreferences pref;
    ProgressDialog progress;
    Bitmap bitmap;
    
   @Override
    public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.login_fragment, container, false);
        login = (ImageView)view.findViewById(R.id.login);
         pref = getActivity().getPreferences(0);
     twitter = new TwitterFactory().getInstance();
      twitter.setOAuthConsumer(pref.getString("CONSUMER_KEY", ""), pref.getString("CONSUMER_SECRET", ""));


        login.setOnClickListener(new LoginProcess());
        return view;
    }
    private class LoginProcess implements OnClickListener {

    @Override
    public void onClick(View v) {
      // TODO Auto-generated method stub
      new TokenGet().execute();
      
    }}
    
    private class TokenGet extends AsyncTask<String, String, String> {
        
        @Override
        protected String doInBackground(String... args) {
          
          try {
            requestToken = twitter.getOAuthRequestToken();
            oauth_url = requestToken.getAuthorizationURL();
       } catch (TwitterException e) {
         // TODO Auto-generated catch block
         e.printStackTrace();
       }
                      return oauth_url;
        }
         @Override
         protected void onPostExecute(String oauth_url) {
           if(oauth_url != null){
           Log.e("URL", oauth_url);
           auth_dialog = new Dialog(getActivity());
            auth_dialog.requestWindowFeature(Window.FEATURE_NO_TITLE); 

             auth_dialog.setContentView(R.layout.auth_dialog);
             web = (WebView)auth_dialog.findViewById(R.id.webv);
             web.getSettings().setJavaScriptEnabled(true);
             web.loadUrl(oauth_url);
             web.setWebViewClient(new WebViewClient() {
                   boolean authComplete = false;
                   @Override
                   public void onPageStarted(WebView view, String url, Bitmap favicon){
                    super.onPageStarted(view, url, favicon);
                   }
               
                   @Override
                   public void onPageFinished(WebView view, String url) {
                       super.onPageFinished(view, url);
                       if (url.contains("oauth_verifier") && authComplete == false){
                         authComplete = true;
                         Log.e("Url",url);
                         Uri uri = Uri.parse(url);
                           oauth_verifier = uri.getQueryParameter("oauth_verifier");
                                                     
                   auth_dialog.dismiss();
                   new AccessTokenGet().execute();
                   }else if(url.contains("denied")){
                       auth_dialog.dismiss();
                       Toast.makeText(getActivity(), "Sorry !, Permission Denied", Toast.LENGTH_SHORT).show();

                     
                   }
                       }
               });
             auth_dialog.show();
             auth_dialog.setCancelable(true);
            
       
            
         }else{
           
                 Toast.makeText(getActivity(), "Sorry !, Network Error or Invalid Credentials", Toast.LENGTH_SHORT).show();

            
         }
         }
    }
    
    private class AccessTokenGet extends AsyncTask<String, String, Boolean> {
      
      
      @Override
        protected void onPreExecute() {
            super.onPreExecute();
            progress = new ProgressDialog(getActivity());
            progress.setMessage("Fetching Data ...");
            progress.setProgressStyle(ProgressDialog.STYLE_SPINNER);
            progress.setIndeterminate(true);
            progress.show();
            
    }
        
      
         @Override
         protected Boolean doInBackground(String... args) {
           
           try {
            

           accessToken = twitter.getOAuthAccessToken(requestToken, oauth_verifier);        
           SharedPreferences.Editor edit = pref.edit();
                 edit.putString("ACCESS_TOKEN", accessToken.getToken());
                 edit.putString("ACCESS_TOKEN_SECRET", accessToken.getTokenSecret());
                 User user = twitter.showUser(accessToken.getUserId());
                  profile_url = user.getOriginalProfileImageURL();
                 edit.putString("NAME", user.getName());
                 edit.putString("IMAGE_URL", user.getOriginalProfileImageURL());

                 edit.commit();  
              
             
      } catch (TwitterException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        
        
      }        
           
                       return true;
         }
          @Override
          protected void onPostExecute(Boolean response) {
            if(response){
                    progress.hide();
                Fragment profile = new ProfileFragment();
                    FragmentTransaction ft = getActivity().getFragmentManager().beginTransaction();                
                    ft.replace(R.id.content_frame, profile);
                    ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
                    ft.addToBackStack(null);
                    ft.commit();

            }
            }
          
            
          }
     }

Java Source Code List

• Back to Twitter/project  ↑