MainActivity.java

package com.hdweiss.morgand.gui;

import android.app.ActionBar;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.widget.Toast;

import com.hdweiss.morgand.Application;
import com.hdweiss.morgand.R;
import com.hdweiss.morgand.data.dao.OrgFile;
import com.hdweiss.morgand.data.dao.OrgNodeRepository;
import com.hdweiss.morgand.events.DataUpdatedEvent;
import com.hdweiss.morgand.events.SyncEvent;
import com.hdweiss.morgand.settings.PreferenceUtils;
import com.hdweiss.morgand.settings.SettingsActivity;
import com.hdweiss.morgand.synchronizer.calendar.CalendarWrapper;
import com.hdweiss.morgand.synchronizer.writer.SyncWriterTask;
import com.squareup.otto.Subscribe;

public class MainActivity extends FragmentActivity implements ActionBar.TabListener {

    private MainPagerAdapter mSectionsPagerAdapter;
    private ViewPager mViewPager;

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

        requestWindowFeature(Window.FEATURE_PROGRESS);
        setContentView(R.layout.activity_main);
        ActionBar actionBar = initActionbar();
        initViewPager(actionBar);
    }

    private ActionBar initActionbar() {
        final ActionBar actionBar = getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        //actionBar.setDisplayShowTitleEnabled(false);
        actionBar.setHomeButtonEnabled(true);
        //actionBar.setDisplayHomeAsUpEnabled(false);
        return actionBar;
    }

    private void initViewPager(final ActionBar actionBar) {
        mSectionsPagerAdapter = new MainPagerAdapter(getSupportFragmentManager());
        mViewPager = (ViewPager) findViewById(R.id.pager);
        mViewPager.setAdapter(mSectionsPagerAdapter);

        mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
            @Override
            public void onPageSelected(int position) {
                actionBar.setSelectedNavigationItem(position);
            }
        });

        for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
            actionBar.addTab(
                    actionBar.newTab()
                            .setText(mSectionsPagerAdapter.getPageTitle(i))
                            .setTabListener(this));
        }
    }


    @Override
    protected void onResume() {
        super.onResume();
        Application.getBus().register(this);
    }

    @Override
    protected void onPause() {
        Application.getBus().unregister(this);
        super.onPause();
    }


    @Override
    public void onTabSelected(ActionBar.Tab tab, android.app.FragmentTransaction fragmentTransaction) {
        mViewPager.setCurrentItem(tab.getPosition());
    }

    @Override
    public void onTabUnselected(ActionBar.Tab tab, android.app.FragmentTransaction fragmentTransaction) {
    }

    @Override
    public void onTabReselected(ActionBar.Tab tab, android.app.FragmentTransaction fragmentTransaction) {
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.action_settings:
                Intent intent = new Intent(this, SettingsActivity.class);
                startActivity(intent);
                break;

            case R.id.action_sync:
                SyncWriterTask synchronizerTask = new SyncWriterTask(this);
                synchronizerTask.execute();
                break;

            case R.id.action_clearDB:
                OrgNodeRepository.deleteAll();
                OrgFile.deleteAll();
                Application.getBus().post(new DataUpdatedEvent());
                new CalendarWrapper(this).deleteEntries();
                break;
        }
        return super.onOptionsItemSelected(item);
    }


    @Subscribe
    public void updateSyncProgress(SyncEvent event) {
        if (event.state == SyncEvent.State.Done) {
            setProgress(Window.PROGRESS_END);
            return;
        }

        switch (event.state) {
            case Intermediate:
                setProgressBarVisibility(true);
                setProgressBarIndeterminate(true);
                break;

            case Progress:
                setProgressBarIndeterminate(false);
                int progress = (Window.PROGRESS_END - Window.PROGRESS_START) / 100 * event.progress;
                setProgress(progress);
                break;

            case SecondaryProgress:
                setProgressBarIndeterminate(false);
                int secondaryProgress = (Window.PROGRESS_END - Window.PROGRESS_START) / 100 * event.progress;
                setSecondaryProgress(secondaryProgress);
                break;
        }
    }

    public void runShowWiki(View view) {
        Intent intent = new Intent(Intent.ACTION_VIEW,
        Uri.parse("https://github.com/hdweiss/mOrgAnd.wiki"));
        startActivity(intent);
    }

    public void runDownloadWiki(View view) {
        Toast.makeText(this, R.string.action_downloadwiki, Toast.LENGTH_SHORT).show();
        PreferenceUtils.setupGitToWiki();
        new SyncWriterTask(this).execute();
    }
}