Android Open Source - RSSFeedReader-App Article View

From Project

License

The source code is released under:
GNU General Public License
If you think the Android project RSSFeedReader-App 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 tan.chesley.rssfeedreader;
/*from  w w w .  j  av a2s  .c o  m*/
import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FixedFragmentStatePagerAdapter;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.text.TextUtils.TruncateAt;
import android.text.method.SingleLineTransformationMethod;
import android.view.MenuItem;
import android.widget.TextView;

import java.util.ArrayList;

public class ArticleView extends FragmentActivity {

  public static final String ARTICLE_SELECTED_KEY = "tan.chesley.rssfeedreader.articleselected";
  public static final String RSS_DATA_KEY = "tan.chesley.rssfeedreader.rssdata";
  private ViewPager viewPager;
  private ArrayList<RSSDataBundle> rssData;
  private ArticleViewPagerChangeListener viewPagerPageChangeListener;
  private static FragmentStatePagerAdapter viewPagerAdapter;
  private TextView title;

  public class ArticleViewPagerChangeListener implements
      ViewPager.OnPageChangeListener {

    @Override
    public void onPageSelected(int arg0) {
            RSSDataBundle rdBundle = rssData.get(arg0);
      setTitle(rdBundle.getTitle());
            // Mark article as read
            RSSDataBundle.markAsRead(getApplicationContext(), rdBundle);
      if (title != null) {
        title.scrollTo(0, 0);
      }
    }

    @Override
    public void onPageScrolled(int arg0, float arg1, int arg2) {

    }

    @Override
    public void onPageScrollStateChanged(int arg0) {

    }
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
        BrightnessControl.toggleBrightness(getApplicationContext(), this);
    if (savedInstanceState == null) {
      rssData = HeadlinesFragment.getInstance().getRssData();
    }
    else {
      rssData = savedInstanceState.getParcelableArrayList(RSS_DATA_KEY);
    }
        viewPager = new ViewPager(this);
    viewPager.setId(R.id.viewPager);
    setContentView(viewPager);

    viewPager
        .setOnPageChangeListener(viewPagerPageChangeListener = new ArticleViewPagerChangeListener());
    FragmentManager fragMan = getSupportFragmentManager();
    viewPager
        .setAdapter(viewPagerAdapter = new FixedFragmentStatePagerAdapter(
                    fragMan) {

                    @Override
                    public Fragment getItem (int arg0) {
                        return ArticleViewFragment.newArticleViewFragment(rssData.get(arg0));
                    }

                    @Override
                    public int getCount () {
                        return rssData.size();
                    }

                });
        viewPager.setPageTransformer(true, new DepthPageTransformer());
    String uuid = getIntent().getStringExtra(HeadlinesFragment.ARTICLE_ID);

    for (int i = 0; i < rssData.size(); i++) {
      RSSDataBundle rdBundle = rssData.get(i);
      if (rdBundle.getId().equals(uuid)) {
        viewPager.setCurrentItem(i);
        // Explicitly call the page change listener to set
        // the action bar title appropriately
        viewPagerPageChangeListener.onPageSelected(i);
        break;
      }
    }

        getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_HOME | ActionBar.DISPLAY_USE_LOGO | ActionBar.DISPLAY_SHOW_TITLE | ActionBar.DISPLAY_HOME_AS_UP);
    int  titleId = getResources().getIdentifier("action_bar_title", "id",
          "android");
    title = (TextView) findViewById(titleId);

    if (title != null) {
      title.setEllipsize(TruncateAt.MARQUEE);
      title.setMarqueeRepeatLimit(-1);
      title.setHorizontallyScrolling(true);
      title.setFocusable(true);
      title.setFocusableInTouchMode(true);
      title.requestFocus();
      title.setTransformationMethod(SingleLineTransformationMethod
          .getInstance());
      title.setTextColor(getResources().getColor((R.color.AppPrimaryTextColor)));
    }
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putParcelableArrayList(RSS_DATA_KEY, rssData);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case android.R.id.home:
        //Log.e("ArticleView", "Up button selected.");
        // Finish activity to return the current item to HeadlinesFragment
        finish();
        return true;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  public void finish() {
    Intent intent = new Intent();
    intent.putExtra(ARTICLE_SELECTED_KEY, viewPager.getCurrentItem());
    setResult(Activity.RESULT_OK, intent);
    //Log.e("ArticleView", "Activity Finished.");
    super.finish();
  }

    public static void notifyPagerAdapterDataSetChanged() {
        if (viewPagerAdapter != null) {
            viewPagerAdapter.notifyDataSetChanged();
        }
    }

}
Java Source Code List
