SampleListFragment.java

/*
 * Copyright (c) 2011, Lauren Darcey and Shane Conder
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are 
 * permitted provided that the following conditions are met:
 * 
 * * Redistributions of source code must retain the above copyright notice, this list of 
 *   conditions and the following disclaimer.
 *   
 * * Redistributions in binary form must reproduce the above copyright notice, this list 
 *   of conditions and the following disclaimer in the documentation and/or other 
 *   materials provided with the distribution.
 *   
 * * Neither the name of the <ORGANIZATION> nor the names of its contributors may be used
 *   to endorse or promote products derived from this software without specific prior 
 *   written permission.
 *   
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
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 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * <ORGANIZATION> = Mamlambo
 */
package com.mamlambo.tutorial.fragments;

import android.app.Activity;
import android.app.ListFragment;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class SampleListFragment extends ListFragment {
    private int index = 0;
    private ListItemSelectedListener selectedListener;

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        index = position;
        selectedListener.onListItemSelected(position);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        setListAdapter(ArrayAdapter.createFromResource(getActivity(),
                R.array.image_titles, android.R.layout.simple_list_item_1));

        if (savedInstanceState != null) {
            index = savedInstanceState.getInt("index", 0);
            selectedListener.onListItemSelected(index);
        }
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt("index", index);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            selectedListener = (ListItemSelectedListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString()
                    + " must implement ListItemSelectedListener in Activity");
        }
    }

    public interface ListItemSelectedListener {
        public void onListItemSelected(int index);
    }
}