TapDetailActivity.java

/*
 * Copyright 2014 Bevbot LLC <info@bevbot.com>
 *
 * This file is part of the Kegtab package from the Kegbot project. For
 * more information on Kegtab or Kegbot, see <http://kegbot.org/>.
 *
 * Kegtab 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, version 2.
 *
 * Kegtab 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 Kegtab. If not, see <http://www.gnu.org/licenses/>.
 */

package org.kegbot.app;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.NavUtils;
import android.view.MenuItem;

/**
 * An activity representing a single Tap detail screen. This activity is only used on handset
 * devices. On tablet-size devices, item details are presented side-by-side with a list of items in
 * a {@link TapListActivity}.
 * <p/>
 * This activity is mostly just a 'shell' activity containing nothing more than a {@link
 * TapDetailFragment}.
 */
public class TapDetailActivity extends FragmentActivity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_tap_detail);

    // Show the Up button in the action bar.
    getActionBar().setDisplayHomeAsUpEnabled(true);

    // savedInstanceState is non-null when there is fragment state
    // saved from previous configurations of this activity
    // (e.g. when rotating the screen from portrait to landscape).
    // In this case, the fragment will automatically be re-added
    // to its container so we don't need to manually add it.
    // For more information, see the Fragments API guide at:
    //
    // http://developer.android.com/guide/components/fragments.html
    //
    if (savedInstanceState == null) {
      // Create the detail fragment and add it to the activity
      // using a fragment transaction.
      Bundle arguments = new Bundle();
      arguments.putInt(TapDetailFragment.ARG_ITEM_ID,
          getIntent().getIntExtra(TapDetailFragment.ARG_ITEM_ID, 0));
      TapDetailFragment fragment = new TapDetailFragment();
      fragment.setArguments(arguments);
      getFragmentManager().beginTransaction()
          .add(R.id.tap_detail_container, fragment)
          .commit();
    }
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case android.R.id.home:
        // This ID represents the Home or Up button. In the case of this
        // activity, the Up button is shown. Use NavUtils to allow users
        // to navigate up one level in the application structure. For
        // more details, see the Navigation pattern on Android Design:
        //
        // http://developer.android.com/design/patterns/navigation.html#up-vs-back
        //
        NavUtils.navigateUpTo(this, new Intent(this, TapListActivity.class));
        return true;
    }
    return super.onOptionsItemSelected(item);
  }
}