Android Open Source - ShowMeTweets Home Activity

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From Project

Back to project page ShowMeTweets.

License

The source code is released under:

MIT License

Java Source Code

package com.fcduarte.showmetweets.activities;
// w ww . j  a v a 2 s.c  om
import java.util.List;

import twitter4j.Twitter;
import twitter4j.TwitterException;
import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;

import com.fcduarte.showmetweets.R;
import com.fcduarte.showmetweets.dao.TweetDAO;
import com.fcduarte.showmetweets.dao.UserDAO;
import com.fcduarte.showmetweets.fragments.HomeTimelineFragment;
import com.fcduarte.showmetweets.fragments.MentionsTimelineFragment;
import com.fcduarte.showmetweets.listeners.FragmentTabListener;
import com.fcduarte.showmetweets.model.Tweet;
import com.fcduarte.showmetweets.model.User;
import com.fcduarte.showmetweets.utils.TwitterUtils;

public class HomeActivity extends FragmentActivity {

  private static final String MENTIONS_TIMELINE_FRAGMENT = "MentionsTimelineFragment";
  private static final String HOME_TIMELINE_FRAGMENT = "HomeTimelineFragment";
  private static final int COMPOSE_NEW_TWEET = 10;
  public static final String LOGGED_USER_KEY = "logged-user";
  public static final String TWEET_KEY = "tweet";
  
  private User mLoggedUser;
  private Twitter mTwitter;
  private TweetDAO mTweetDAO;
  private TwitterUtils mTwitterUtils;
  private HomeTimelineFragment mHomeTimelineFragment;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_home);
    
    mTwitterUtils = new TwitterUtils(this);
    mTwitter = mTwitterUtils.getTwitterClient();
    
    mTweetDAO = new TweetDAO();
    mLoggedUser = new UserDAO().findByUsername(mTwitterUtils.loadLoggedUser());
    
    setupTabs();
  }

  private void setupTabs() {
    ActionBar actionBar = getActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    actionBar.setDisplayShowTitleEnabled(true);

    Tab homeTimelineTab = actionBar
        .newTab()
        .setText("HOME")
        .setIcon(R.drawable.ic_home)
        .setTag(HOME_TIMELINE_FRAGMENT)
        .setTabListener(
            new FragmentTabListener<HomeTimelineFragment>(
                R.id.tweets_list_fragment, this, HOME_TIMELINE_FRAGMENT,
                HomeTimelineFragment.class));
    
    actionBar.addTab(homeTimelineTab);
    actionBar.selectTab(homeTimelineTab);
    
    Tab mentionsTab = actionBar
        .newTab()
        .setText("MENTIONS")
        .setIcon(R.drawable.ic_mentions)
        .setTag(MENTIONS_TIMELINE_FRAGMENT)
        .setTabListener(
            new FragmentTabListener<MentionsTimelineFragment>(
                R.id.tweets_list_fragment, this, MENTIONS_TIMELINE_FRAGMENT,
                MentionsTimelineFragment.class));

    actionBar.addTab(mentionsTab);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.menu_home, menu);
    return true;
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (resultCode == RESULT_OK && requestCode == COMPOSE_NEW_TWEET) {
      Tweet tweet = (Tweet) data.getExtras().getSerializable(TWEET_KEY);
      tweet.getUser().save();
      tweet.save();
      
      mHomeTimelineFragment = (HomeTimelineFragment) getSupportFragmentManager().findFragmentByTag(HOME_TIMELINE_FRAGMENT);
      mHomeTimelineFragment.addNewTweet(tweet);

      new SendTweetsToRemoteAsyncTask().execute();
    }
  }
  
  @Override
  public void onBackPressed() {
      Intent intent = new Intent(Intent.ACTION_MAIN);
      intent.addCategory(Intent.CATEGORY_HOME);
      startActivity(intent);
  }

  public void onComposeNewTweetClicked(MenuItem menuItem) {
    Intent intent = new Intent(this, ComposeNewTweetActivity.class);
    intent.putExtra(LOGGED_USER_KEY, mLoggedUser);
    startActivityForResult(intent, COMPOSE_NEW_TWEET);
  }
  
  public void onShowProfileClicked(MenuItem menuItem) {
    callProfileActivity(this);
  }

  private void callProfileActivity(Context context) {
    Intent intent = new Intent(context, ProfileActivity.class);
    intent.putExtra(LOGGED_USER_KEY, mLoggedUser);
    intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
    
    startActivity(intent);
  }
  
  private class SendTweetsToRemoteAsyncTask extends AsyncTask<Void, Void, Void> {

    @Override
    protected Void doInBackground(Void... params) {
      List<Tweet> tweets = mTweetDAO.getAllNotSynchronized();
      
      for (Tweet tweet : tweets) {
        if (tweet.getUser().getTwitterId().equals(mLoggedUser.getTwitterId())) {
          try {
            twitter4j.Status status = mTwitter.updateStatus(tweet.getBody());
            tweet.setTweetId(status.getId());
            tweet.save();
          } catch (TwitterException e) {
            Log.e("TwitterClient", "updateStatus()", e);
          }
          
        }
      }
      return null;
    }
    
  }
  
}

Java Source Code List

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