Android Open Source - ShowMeTweets Twitter Utils

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Back to project page ShowMeTweets.

License

The source code is released under:

MIT License

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Java Source Code

package com.fcduarte.showmetweets.utils;
//ww w. jav a  2  s.  com
import twitter4j.Twitter;
import twitter4j.TwitterFactory;
import twitter4j.auth.AccessToken;
import twitter4j.auth.RequestToken;
import twitter4j.conf.Configuration;
import twitter4j.conf.ConfigurationBuilder;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

import com.fcduarte.showmetweets.model.User;

public class TwitterUtils {
  
  protected static final String TWITTER_CONSUMER_KEY = "QZhiS4PAxHk1gfM94K2iSkxpr";
  protected static final String TWITTER_CONSUMER_SECRET = "aNQg7QPrzNKtZc9RU8Fu85Gj4VFOgGu5qHSYMIK3fWeXSCffFd";
  private static final String ACCESS_TOKEN_SECRET_KEY = "access_token_secret";
  private static final String ACCESS_TOKEN_KEY = "access_token";
  private static final String REQUEST_TOKEN_SECRET_KEY = "request_token_secret";
  private static final String REQUEST_TOKEN_KEY = "request_token";
  private static final String LOGGED_USER_KEY = "logged-user";
  
  private SharedPreferences prefs;
  
  public TwitterUtils(Context context) {
    this.prefs = PreferenceManager.getDefaultSharedPreferences(context);
  }
  
  public void saveRequestToken(String requestToken, String requestTokenSecret) {
    SharedPreferences.Editor editor = prefs.edit();

    editor.putString(REQUEST_TOKEN_KEY, requestToken);
    editor.putString(REQUEST_TOKEN_SECRET_KEY, requestTokenSecret);

    editor.commit();
  }
  
  public RequestToken loadRequestToken() {
    String reqToken = prefs.getString(REQUEST_TOKEN_KEY, null);
    String reqTokenSecret = prefs.getString(REQUEST_TOKEN_SECRET_KEY, null);

    return new RequestToken(reqToken, reqTokenSecret);
  }
  
  public void saveAccessToken(String accessToken, String accessTokenSecret) {
    SharedPreferences.Editor editor = prefs.edit();

    editor.putString(ACCESS_TOKEN_KEY, accessToken);
    editor.putString(ACCESS_TOKEN_SECRET_KEY, accessTokenSecret);
    
    editor.commit();
  }
  
  public AccessToken loadAccessToken() {
    String accessToken = prefs.getString(ACCESS_TOKEN_KEY, null);
    String accessTokenSecret = prefs.getString(ACCESS_TOKEN_SECRET_KEY, null);

    if (accessToken == null || accessTokenSecret == null) {
      return null;
    }
    
    return new AccessToken(accessToken, accessTokenSecret);
  }
  
  public void clear() {
    prefs.edit().clear().commit();
  }
  
  public void saveLoggedUser(User loggedUser) {
    SharedPreferences.Editor editor = prefs.edit();

    editor.putString(LOGGED_USER_KEY, loggedUser.getUsername());
    
    editor.commit();
    
  }
  
  public String loadLoggedUser() {
    return prefs.getString(LOGGED_USER_KEY, null);
  }
  
  public boolean userChanged(User user) {
    String loggedUser = loadLoggedUser();
    return loggedUser == null || !user.getUsername().equals(loggedUser);
  }
  
  public Twitter getTwitterClient() {
    ConfigurationBuilder builder = new ConfigurationBuilder();
    builder.setOAuthConsumerKey(TWITTER_CONSUMER_KEY);
    builder.setOAuthConsumerSecret(TWITTER_CONSUMER_SECRET);
    Configuration configuration = builder.build();

    TwitterFactory factory = new TwitterFactory(configuration);
    Twitter twitter = factory.getInstance();
    
    AccessToken accessToken = loadAccessToken();
    
    if (accessToken != null) {
      twitter.setOAuthAccessToken(accessToken);
    }
    return twitter;
  }

}

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