Android Open Source - MyTwitter-Android Timeline Activity

From Project

License

The source code is released under:
Apache License
If you think the Android project MyTwitter-Android listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package org.fukata.android.mytw;
//from w  ww  . ja va 2s . c  om
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import org.fukata.android.exandroid.loader.process.ProcessLoader;
import org.fukata.android.mytw.database.dao.TweetDao;
import org.fukata.android.mytw.twitter.Twitter;
import org.fukata.android.mytw.util.SettingUtil;

import android.app.SearchManager;
import android.app.TabActivity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.LinearLayout;
import android.widget.TabHost;
import android.widget.Toast;

public class TimelineActivity extends TabActivity implements TabHost.TabContentFactory { 
  static final int TAB_HEIGHT = 45;
  static final int TAB_HOME = 0;
  static final int TAB_MENTIONS = 1;
  static final int TAB_DM = 2;
  static final String INTENT_EXTRA_SELECT_TAB = "select_tab";
  
  static final int MENU_UPDATE_STATUS = Menu.FIRST + 1;
  static final int MENU_NEW_TIMELINE = Menu.FIRST + 2;
  static final int MENU_REFRESH_TIMELINE = Menu.FIRST + 3;
  static final int MENU_SETTINGS = Menu.FIRST + 4;
  
  ProcessLoader timelineLoader;
  Twitter twitter;
  TweetDao tweetDao;
  
  Map<String, TimelineView> timelineMap;
  
  @Override
    public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    SettingUtil.init(this);
    timelineLoader = new ProcessLoader(this);
    final TabActivity ac = this;
    final Handler handler = new Handler();
    twitter = new Twitter(
      new Runnable() {
        @Override
        public void run() {
          handler.post(new Runnable() {
            @Override
            public void run() {
              ac.setTitle(ac.getTitle() + " --- loading...");
            }
          });
        }
      },
      new Runnable() {
        @Override
        public void run() {
          handler.post(new Runnable() {
            @Override
            public void run() {
              ac.setTitle(ac.getString(R.string.app_name));
            }
          });
        }
      }
    );
    tweetDao = new TweetDao(getApplicationContext());
    
    // init timeline
    timelineMap = new HashMap<String, TimelineView>();
    timelineMap.put("Home", new HomeTimelineView(this, this));
    timelineMap.put("Mentions", new MentionTimelineView(this, this));
    timelineMap.put("DM", new DirectMessageTimelineView(this, this));
    Set<String> keySet = timelineMap.keySet();
    for (String key : keySet) {
      timelineMap.get(key).doResume();
    }
    
    // init tab
    TabHost host = getTabHost();
    host.addTab(host.newTabSpec("Home")
        .setIndicator("Home")
        .setContent(this));
    
    host.addTab(host.newTabSpec("Mentions")
        .setIndicator("Mentions")
        .setContent(this));
    
    host.addTab(host.newTabSpec("DM")
        .setIndicator("DM")
        .setContent(this));

    // init tab layout
    LinearLayout.LayoutParams layout = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, TAB_HEIGHT);
    layout.weight = 1;
    for (int i=0; i<getTabWidget().getTabCount(); i++) {
      View childAt = getTabWidget().getChildAt(i);
      childAt.setLayoutParams(layout);
    }
    
    host.setCurrentTab(0);
    handleIntent(getIntent());
    }
  
  private void handleIntent(Intent intent) {
    Bundle extras = intent.getExtras();
    if (extras==null) {
      return;
    }
    
    if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
      String query = intent.getStringExtra(SearchManager.QUERY);
      doSearch(query);
    }
    
    int tab = extras.getInt(INTENT_EXTRA_SELECT_TAB, 0);
    if (tab<getTabWidget().getTabCount()) {
      getTabHost().setCurrentTab(tab);
    }
    
  }
  
  void doSearch(String query) {
    Toast.makeText(getApplicationContext(), "Search(Unimplemented): "+query, Toast.LENGTH_LONG).show();
  }
  
  @Override
  protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    handleIntent(intent);
  }

  @Override
  protected void onResume() {
    super.onResume();
    timelineLoader.startBackgroundThread();
    TimelineView currentView = (TimelineView) getTabHost().getCurrentView();
    currentView.doResume();
  }
  
  @Override
  protected void onPause() {
    super.onPause();
    if (timelineLoader != null && !SettingUtil.isBackgroundProcessEnabled()) {
      timelineLoader.stopBackgroundThread();
    }
  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    menu.add(Menu.NONE, MENU_UPDATE_STATUS, Menu.NONE, R.string.update_status);
    menu.add(Menu.NONE, MENU_NEW_TIMELINE, Menu.NONE, R.string.new_timeline);
    menu.add(Menu.NONE, MENU_REFRESH_TIMELINE, Menu.NONE, R.string.refresh_timeline);
    menu.add(Menu.NONE, MENU_SETTINGS, Menu.NONE, R.string.settings);
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    Intent intent;
    TimelineView v = (TimelineView) getTabHost().getCurrentView();
    switch (item.getItemId()) {
    case MENU_UPDATE_STATUS:
      intent = new Intent(Intent.ACTION_VIEW);
      intent.setClass(this, UpdateStatusActivity.class);
      startActivity(intent);
      break;
    case MENU_NEW_TIMELINE:
      v.loadTimeline(LoadMode.NEW);
      break;
    case MENU_REFRESH_TIMELINE:
      v.loadTimeline(LoadMode.REFRESH);
      break;
    case MENU_SETTINGS:
      intent = new Intent(Intent.ACTION_VIEW);
      intent.setClass(this, SettingsActivity.class);
      startActivity(intent);
      break;
    default:
      break;
    }
    return super.onOptionsItemSelected(item);
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    TimelineView v = (TimelineView) getTabHost().getCurrentView();
    if (MyTwitterApp.RS_CODE_UPDATE_STATUS==requestCode) {
      v.loadTimeline(LoadMode.NEW);
    } else if (MyTwitterApp.RS_CODE_RECONFIG==requestCode) {
      v.loadTimeline(LoadMode.REFRESH);
    }
    super.onActivityResult(requestCode, resultCode, data);
  }

  enum LoadMode {
    REFRESH, NEW, MORE;
  }

  @Override
  public View createTabContent(String tag) {
    TimelineView v = timelineMap.get(tag);
    v.doResume();
    return v;
  }

}
Java Source Code List
