Android Open Source - rss Fragment Feeds

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.//w  w  w  . j a va2  s.  c  o m
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package com.poloure.simplerss;

import android.app.Fragment;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;

import uk.co.senab.actionbarpulltorefresh.library.ActionBarPullToRefresh;
import uk.co.senab.actionbarpulltorefresh.library.Options;
import uk.co.senab.actionbarpulltorefresh.library.PullToRefreshLayout;
import uk.co.senab.actionbarpulltorefresh.library.listeners.OnRefreshListener;

import static com.poloure.simplerss.Constants.*;

public
class FragmentFeeds extends Fragment
{
    private static
    class RefreshListener implements OnRefreshListener
    {
        private final FeedsActivity m_activity;

        RefreshListener(FeedsActivity activity)
        {
            m_activity = activity;
        }

        @Override
        public
        void onRefreshStarted(View view)
        {
            Intent intent = new Intent(m_activity, ServiceUpdate.class);
            intent.putExtra(EXTRA_PAGE_NAME, s_viewPager.getCurrentItem());
            m_activity.startService(intent);
        }
    }

    private static
    class OnPageChangeListener extends ViewPager.SimpleOnPageChangeListener
    {
        @Override
        public
        void onPageSelected(int position)
        {
            Utilities.setTitlesAndDrawerAndPage(null, -10);
        }
    }

    static final String EXTRA_PAGE_NAME = "GROUP_NUMBER";
    private static final float PULL_DISTANCE = 0.5F;

    static
    ListView getTagListView(int page)
    {
        return getViewPagerFragment(page).getListView();
    }

    static
    ListFragmentTag getViewPagerFragment(int page)
    {
        String tag = "android:switcher:" + R.id.viewpager + ':' + page;
        return (ListFragmentTag) s_fragmentManager.findFragmentByTag(tag);
    }

    @Override
    public
    View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
    {
        super.onCreateView(inflater, container, savedInstanceState);

        FeedsActivity activity = (FeedsActivity) getActivity();
        PullToRefreshLayout layout = (PullToRefreshLayout) inflater.inflate(R.layout.viewpager, container, false);

        // Find and configure the ViewPager.
        s_viewPager = (ViewPager) layout.findViewById(R.id.viewpager);
        s_viewPager.setOffscreenPageLimit(128);
        s_viewPager.setOnPageChangeListener(new OnPageChangeListener());

        // Create the Options object for the ActionBarPullToRefresh SetupWizard.
        Options.Builder optionsBuilder = Options.create();
        optionsBuilder.scrollDistance(PULL_DISTANCE);
        Options options = optionsBuilder.build();

        // Create the ActionBarPullToRefresh object using its SetupWizard.
        ActionBarPullToRefresh.SetupWizard setup = ActionBarPullToRefresh.from(activity);
        setup.allChildrenArePullable();
        setup.options(options);
        setup.useViewDelegate(ViewPager.class, new ViewPagerDelegate());
        setup.listener(new RefreshListener(activity));
        setup.setup(layout);

        return layout;
    }

    @Override
    public
    void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);
    }

    @Override
    public
    void onCreateOptionsMenu(Menu menu, MenuInflater inflater)
    {
        super.onCreateOptionsMenu(menu, inflater);
        inflater.inflate(R.menu.fragment_feeds, menu);
    }

    @Override
    public
    void onActivityCreated(Bundle savedInstanceState)
    {
        super.onActivityCreated(savedInstanceState);

        s_viewPager.setAdapter(new PagerAdapterTags(s_fragmentManager, s_activity, s_activity.m_index));
        Utilities.setTitlesAndDrawerAndPage(null, -10);
    }
}
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