org.digitalcampus.oppia.activity.AboutActivity.java Source code

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Here is the source code for org.digitalcampus.oppia.activity.AboutActivity.java

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/* 
 * This file is part of OppiaMobile - https://digital-campus.org/
 * 
 * OppiaMobile 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.
 * 
 * OppiaMobile 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 OppiaMobile. If not, see <http://www.gnu.org/licenses/>.
 */

package org.digitalcampus.oppia.activity;

import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.FragmentTransaction;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.view.MenuItem;

import org.maf.oppia.R;
import org.digitalcampus.oppia.adapter.ActivityPagerAdapter;
import org.digitalcampus.oppia.fragments.AboutFragment;
import org.digitalcampus.oppia.fragments.OppiaWebViewFragment;
import org.digitalcampus.oppia.fragments.StatsFragment;
import org.digitalcampus.oppia.utils.storage.FileUtils;

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

public class AboutActivity extends FragmentActivity implements ActionBar.TabListener {

    public static final String TAG = AboutActivity.class.getSimpleName();

    public static final String TAB_ACTIVE = "TAB_ACTIVE";
    public static final int TAB_ABOUT = 0;
    public static final int TAB_HELP = 1;
    public static final int TAB_PRIVACY = 2;
    public static final int TAB_STATS = 3;

    private ActionBar actionBar;
    private ViewPager viewPager;
    private ActivityPagerAdapter apAdapter;
    private int currentTab = 0;
    private SharedPreferences prefs;

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

        setContentView(R.layout.activity_about);
        actionBar = getActionBar();
        prefs = PreferenceManager.getDefaultSharedPreferences(this);
        viewPager = (ViewPager) findViewById(R.id.activity_about_pager);

        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setHomeButtonEnabled(true);

        Bundle bundle = this.getIntent().getExtras();
        if (bundle != null) {
            currentTab = (Integer) bundle.getSerializable(AboutActivity.TAB_ACTIVE);
        }
    }

    @Override
    public void onStart() {
        super.onStart();

        String lang = prefs.getString(PrefsActivity.PREF_LANGUAGE, Locale.getDefault().getLanguage());

        actionBar.removeAllTabs();
        List<Fragment> fragments = new ArrayList<Fragment>();

        Fragment fAbout = AboutFragment.newInstance();
        fragments.add(fAbout);

        String urlHelp = FileUtils.getLocalizedFilePath(this, lang, "help.html");
        Fragment fHelp = OppiaWebViewFragment.newInstance(TAB_HELP, urlHelp);
        fragments.add(fHelp);

        String url = FileUtils.getLocalizedFilePath(this, lang, "privacy.html");
        Fragment fPrivacy = OppiaWebViewFragment.newInstance(TAB_PRIVACY, url);
        fragments.add(fPrivacy);

        Fragment fStats = StatsFragment.newInstance();
        fragments.add(fStats);

        apAdapter = new ActivityPagerAdapter(getSupportFragmentManager(), fragments);
        viewPager.setAdapter(apAdapter);

        boolean setSelected = false;
        if (currentTab == AboutActivity.TAB_ABOUT) {
            setSelected = true;
        } else {
            setSelected = false;
        }
        actionBar.addTab(actionBar.newTab().setText(this.getString(R.string.tab_title_about)).setTabListener(this),
                TAB_ABOUT, setSelected);
        if (currentTab == AboutActivity.TAB_HELP) {
            setSelected = true;
        } else {
            setSelected = false;
        }
        actionBar.addTab(actionBar.newTab().setText(this.getString(R.string.tab_title_help)).setTabListener(this),
                TAB_HELP, setSelected);
        if (currentTab == AboutActivity.TAB_PRIVACY) {
            setSelected = true;
        } else {
            setSelected = false;
        }
        actionBar.addTab(
                actionBar.newTab().setText(this.getString(R.string.tab_title_privacy)).setTabListener(this),
                TAB_PRIVACY, setSelected);

        if (currentTab == AboutActivity.TAB_STATS) {
            setSelected = true;
        } else {
            setSelected = false;
        }
        actionBar.addTab(
                actionBar.newTab().setText(this.getString(R.string.tab_title_activity)).setTabListener(this),
                TAB_STATS, setSelected);
        viewPager.setCurrentItem(currentTab);
        viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {

            public void onPageScrollStateChanged(int arg0) {
                // do nothing
            }

            public void onPageScrolled(int arg0, float arg1, int arg2) {
                // do nothing
            }

            public void onPageSelected(int arg0) {
                actionBar.setSelectedNavigationItem(arg0);
            }

        });
    }

    public void onTabSelected(Tab tab, FragmentTransaction ft) {
        viewPager.setCurrentItem(tab.getPosition());
        this.currentTab = tab.getPosition();

    }

    public void onTabUnselected(Tab tab, FragmentTransaction ft) {
        // TODO Auto-generated method stub

    }

    public void onTabReselected(Tab tab, FragmentTransaction ft) {
        // TODO Auto-generated method stub

    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle item selection
        switch (item.getItemId()) {
        case android.R.id.home:
            this.finish();
            return true;
        }
        return true;
    }
}