de.grobox.liberario.MainActivity.java Source code

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Here is the source code for de.grobox.liberario.MainActivity.java

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/*    Liberario
 *    Copyright (C) 2013 Torsten Grote
 *
 *    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.
 *
 *    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 de.grobox.liberario;

import java.util.ArrayList;
import java.util.List;

import de.cketti.library.changelog.ChangeLog;
import de.schildbach.pte.NetworkProvider;

import android.app.ActionBar;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.view.ContextThemeWrapper;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;

public class MainActivity extends FragmentActivity {
    private MainPagerAdapter mainPagerAdapter;
    private ViewPager mViewPager;

    static final int CHANGED_NETWORK_PROVIDER = 1;
    static final int CHANGED_HOME = 2;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mViewPager = (ViewPager) findViewById(R.id.pager);

        final ActionBar actionBar = getActionBar();

        // Specify that tabs should be displayed in the action bar.
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        // Create a tab listener that is called when the user changes tabs.
        ActionBar.TabListener tabListener = new ActionBar.TabListener() {
            @Override
            public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
                // show the given tab
                mViewPager.setCurrentItem(tab.getPosition());
            }

            @Override
            public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {
                // hide the given tab
            }

            @Override
            public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
                // probably ignore this event
            }
        };

        List<String> fragments = new ArrayList<String>();

        fragments.add(DirectionsFragment.class.getName());
        actionBar.addTab(
                actionBar.newTab().setIcon(android.R.drawable.ic_menu_directions).setTabListener(tabListener));

        actionBar.addTab(actionBar.newTab().setIcon(R.drawable.ic_action_star).setTabListener(tabListener));
        fragments.add(FavTripsFragment.class.getName());

        actionBar.addTab(actionBar.newTab().setIcon(R.drawable.ic_tab_stations).setTabListener(tabListener));
        fragments.add(StationsFragment.class.getName());

        mainPagerAdapter = new MainPagerAdapter(getSupportFragmentManager(), this, fragments);

        mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
            @Override
            public void onPageSelected(int position) {
                // When swiping between pages, select the corresponding tab.
                getActionBar().setSelectedNavigationItem(position);
            }
        });

        mViewPager.setAdapter(mainPagerAdapter);

        // show Changelog
        HoloChangeLog cl = new HoloChangeLog(this);
        if (cl.isFirstRun() && !cl.isFirstRunEver()) {
            cl.getLogDialog().show();
        }

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu items for use in the action bar
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle presses on the action bar items
        switch (item.getItemId()) {
        case R.id.action_settings:
            startActivityForResult(new Intent(this, PickNetworkProviderActivity.class), CHANGED_NETWORK_PROVIDER);

            return true;
        case R.id.action_changelog:
            new HoloChangeLog(this).getFullLogDialog().show();

            return true;
        case R.id.action_about:
            startActivity(new Intent(this, AboutActivity.class));

            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
        super.onActivityResult(requestCode, resultCode, intent);

        if (requestCode == CHANGED_NETWORK_PROVIDER && resultCode == RESULT_OK) {
            NetworkProvider np = NetworkProviderFactory.provider(Preferences.getNetworkId(this));
            onNetworkProviderChanged(np);
        }
    }

    public void onNetworkProviderChanged(NetworkProvider np) {
        // call this method for each fragment
        for (final Fragment fragment : getSupportFragmentManager().getFragments()) {
            if (fragment instanceof LiberarioFragment) {
                ((LiberarioFragment) fragment).onNetworkProviderChanged(np);
            } else if (fragment instanceof LiberarioListFragment) {
                ((LiberarioListFragment) fragment).onNetworkProviderChanged(np);
            }
        }
    }

    public static class HoloChangeLog extends ChangeLog {
        public static final String DARK_THEME_CSS = "body { color: #f3f3f3; font-size: 0.9em; background-color: #282828; } h1 { font-size: 1.3em; } ul { padding-left: 2em; }";

        public HoloChangeLog(Context context) {
            super(new ContextThemeWrapper(context, R.style.AppTheme), DARK_THEME_CSS);
        }
    }

}