com.iangclifton.auid.appendixc.sections.SectionActivity.java Source code

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Here is the source code for com.iangclifton.auid.appendixc.sections.SectionActivity.java

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/*
 * Copyright (C) 2013 Ian G. Clifton
 * Code featured in Android User Interface Design: Turning Ideas and
 * Sketches into Beautifully Designed Apps (ISBN-10: 0321886739;
 * ISBN-13: 978-0321886736).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.iangclifton.auid.appendixc.sections;

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

import com.iangclifton.auid.appendixc.MainActivity;
import com.iangclifton.auid.appendixc.R;

/**
 * Shell Activity that hosts a single Fragment for smaller devices.
 * 
 * @author Ian G. Clifton
 */
public class SectionActivity extends FragmentActivity {

    public static final String ARG_SECTION = "section";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        getWindow().requestFeature(Window.FEATURE_PROGRESS);
        setProgressBarIndeterminate(true);

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_section_detail);
        final Section section = (Section) getIntent().getSerializableExtra(ARG_SECTION);
        setTitle(section.getTitleResourceId());

        // 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) {
            final Fragment fragment = section.getFragment();
            getSupportFragmentManager().beginTransaction().add(R.id.section_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, MainActivity.class));
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}