samples/browseable/CustomChoiceList/src/com.example.android.customchoicelist/MainActivity.java

/*
 * Copyright 2013 The Android Open Source Project
 *
 * 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.example.android.customchoicelist;

import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

/**
 * This sample demonstrates how to create custom single- or multi-choice
 * {@link android.widget.ListView} UIs. The most interesting bits are in
 * the <code>res/layout/</code> directory of this sample.
 */
public class MainActivity extends ListActivity {
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.sample_main);
        setListAdapter(new MyAdapter());
    }

    /**
     * A simple array adapter that creates a list of cheeses.
     */
    private class MyAdapter extends BaseAdapter {
        @Override
        public int getCount() {
            return Cheeses.CHEESES.length;
        }

        @Override
        public String getItem(int position) {
            return Cheeses.CHEESES[position];
        }

        @Override
        public long getItemId(int position) {
            return Cheeses.CHEESES[position].hashCode();
        }

        @Override
        public View getView(int position, View convertView, ViewGroup container) {
            if (convertView == null) {
                convertView = getLayoutInflater().inflate(R.layout.list_item, container, false);
            }

            ((TextView) convertView.findViewById(android.R.id.text1))
                    .setText(getItem(position));
            return convertView;
        }
    }
}