MainActivity.java

package com.example.testpicture;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.net.UrlQuerySanitizer.ValueSanitizer;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends Activity {

    String[] values;

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

        ListView listview = (ListView) findViewById(R.id.listView1);
        values = new String[] { "Android", "iPhone", "WindowsMobile", "Blackberry", "WebOS", "Ubuntu",
                "Windows7", "Max OS X", "Linux", "OS/2", "Ubuntu", "Windows7", "Max OS X", "Linux", "OS/2", "Ubuntu",
                "Windows7", "Max OS X", "Linux", "OS/2", "Android", "iPhone", "WindowsMobile" };

        final ArrayList<String> list = new ArrayList<String>();
        for (int i = 0; i < values.length; ++i) {
            list.add(values[i]);
        }
        final StableArrayAdapter adapter = new StableArrayAdapter(this, android.R.layout.simple_list_item_1, list);
        listview.setAdapter(adapter);

        listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> parent, final View view, int position, long id) {
                Toast.makeText(MainActivity.this, String.valueOf(position) + " " + values[position], Toast.LENGTH_SHORT).show();
            }

        });
    }

    private class StableArrayAdapter extends ArrayAdapter<String> {

        public StableArrayAdapter(Context context, int textViewResourceId, List<String> objects) {
            super(context, textViewResourceId, objects);
        }



        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            System.out.println("getView " + String.valueOf(position) + " " + values[position]);
            return super.getView(position, convertView, parent);
        }

    }
}