com.foreignreader.WordDetailActivity.java Source code

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/*******************************************************************************
 * Copyright 2013 Vitaliy Yakovchuk
 * 
 * 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.foreignreader;

import java.io.File;

import com.foreignreader.R;
import com.reader.common.ObjectsFactory;

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

/**
 * An activity representing a single Word 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 WordListActivity}.
 * <p>
 * This activity is mostly just a 'shell' activity containing nothing more than
 * a {@link WordDetailFragment}.
 */
public class WordDetailActivity extends FragmentActivity {

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

        if (BooksActivity.TESTING_STORGE)
            ObjectsFactory.storageFile = new File(getFilesDir(), "words.db");
        else {
            File file = new File(
                    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getParentFile(),
                    "Foreign Reader");
            file.mkdirs();
            ObjectsFactory.storageFile = new File(file, "words.db");
        }

        setContentView(R.layout.activity_word_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.putString(WordDetailFragment.ARG_ITEM_ID,
                    getIntent().getStringExtra(WordDetailFragment.ARG_ITEM_ID));
            WordDetailFragment fragment = new WordDetailFragment();
            fragment.setArguments(arguments);
            getSupportFragmentManager().beginTransaction().add(R.id.word_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, WordListActivity.class));
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}