Android- Save checkbox state in listview
public class CardDetailsAdapter extends BaseAdapter {
private static ArrayList<CardDetails> searchArrayList;
private LayoutInflater mInflater;

 private boolean[] itemChecked =  new boolean[100];

public CardDetailsAdapter(Context context, ArrayList<CardDetails> results) {
     map = new HashMap<Integer, Boolean>();
    searchArrayList = results;
    mInflater = LayoutInflater.from(context);
}

public int getCount() {
    return searchArrayList.size();
}

public Object getItem(int position) {
    return searchArrayList.get(position);
}

public long getItemId(int position) {
    return position;
}

public View getView(final int position, View convertView, final ViewGroup parent) {
    final ViewHolder holder;

    if (convertView == null) {
        convertView = mInflater.inflate(R.layout.welcomelistview, null);
        holder = new ViewHolder();
        holder.bankName = (TextView) convertView.findViewById(R.id.BankNameID);
        holder.messages = (TextView) convertView.findViewById(R.id.messageID);
        holder.chkbox = (CheckBox) convertView.findViewById(R.id.chkBoxID);
        System.out.println("is checked==> " + holder.chkbox.isChecked());

        convertView.setTag(holder);
    } else {
        holder = (ViewHolder) convertView.getTag();
    }
    holder.bankName.setText(searchArrayList.get(position).getBankName());
    holder.messages.setText(searchArrayList.get(position).getMessages());
    holder.chkbox.setChecked(false);
    // save position and checking status into tag
    holder.chkbox.setTag(position);
    holder.chkbox.setOnClickListener(new OnClickListener() {
        public void onClick(View v) {
             HashMap<Integer, Boolean> mSimpleAdapter = new HashMap<Integer, Boolean>();
             int p = (Integer) (v.getTag());
                if (holder.chkbox.isChecked() == true) {
                    itemChecked[Integer.valueOf(position)] = holder.chkbox.isChecked();
                }else{
                    itemChecked[Integer.valueOf(position)] = holder.chkbox.isChecked();
                 }

             mSimpleAdapter.put(p, itemChecked[position]);
             holder.chkbox.setChecked(itemChecked[position]);
        }
    });
    return convertView;
}

static class ViewHolder {
    TextView bankName;
    TextView messages;
    CheckBox chkbox;
}}

import com.ispl.CFSMS.helper.CardDetailsAdapter;
    public class WelcomePage extends Activity{
     CardDetailsAdapter mListAdapter;
    ArrayList<Integer> arList = new ArrayList<Integer>();
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.welcomepage);
        final ArrayList<CardDetails> cardResults = GetCardDetails();
        final ListView welcomelist = (ListView) findViewById(R.id.welcomelistID);
        welcomelist.setAdapter(new CardDetailsAdapter(this, cardResults));
        welcomelist.setOnItemLongClickListener(new OnItemLongClickListener() {
            public boolean onItemLongClick(AdapterView<?> a, View v, int position, long id) {
                Object o = welcomelist.getItemAtPosition(position);
                CardDetails fullObject = (CardDetails)o;
                Intent r=new Intent(WelcomePage.this , CardMenuActivity.class);
                r.putExtra("BankName", fullObject.getBankName());
                r.putExtra("CardNumber", fullObject.getCardNumber());
                startActivityForResult(r, position);
                return false;
            }
        });

        CheckBox checkbox = (CheckBox)findViewById(R.id.chkBoxID);
        Button saveTODbBtn = (Button)findViewById(R.id.saveID);
        saveTODbBtn.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                //get the checkbox status and save related details into database
                Intent intent=new Intent(WelcomePage.this, BankProjectActivity.class);
                startActivity(intent);
            }
        });

    }
 private ArrayList<CardDetails> GetCardDetails(){
        ArrayList<CardDetails> carddetailresults = new ArrayList<CardDetails>();
         CardDetails sr1 = new CardDetails();

         sr1.setBankName("Select All");
         sr1.setCardNumber("");
         sr1.setMessages("");
         carddetailresults.add(sr1);

         sr1 = new CardDetails();
         sr1.setBankName("HDFC Bank" +" "+ "xxxxx1234");
         sr1.setMessages("Messages: " + "10");
         carddetailresults.add(sr1);

         sr1 = new CardDetails();
         sr1.setBankName("ICICI" + " "+ "xxxxx2134");
         sr1.setMessages("Messages: 5");
         carddetailresults.add(sr1);

         sr1 = new CardDetails();
         sr1.setBankName("HSBC" + " "+ "xxxxx8796");
         sr1.setMessages("Messages: 2");
         carddetailresults.add(sr1);

         return carddetailresults;
 }}

public View getView(final int position, View convertView,ViewGroup paramViewGroup)
{
    final ViewHolder holder;
    LayoutInflater inflater=(LayoutInflater)getSystemService(LAYOUT_INFLATER_SERVICE);
    if (convertView == null)
    {
        convertView=inflater.inflate(R.layout.addressbook, null);holder = new ViewHolder();
        holder.adddress_name=(TextView)convertView.findViewById(R.id.addressbook_name);
        holder.adddress_number=(TextView)convertView.findViewById(R.id.address_number);
        holder.adddress_name.setText(adddressbook_name.get(position).toString().trim())
        holder.adddress_number.setText(addressbook_number.get(position).toString().trim());
        holder.addressbook_check=(CheckBox)convertView.findViewById(R.id.address_check);convertView.setTag(holder);
    }
    else
    {
        holder = (ViewHolder) convertView.getTag();
    }

    holder.addressbook_check.setId(position);

    holder.addressbook_check.setOnClickListener(new OnClickListener()
        {
            public void onClick(View v)
            {
                CheckBox cb = (CheckBox) v;
                int id = cb.getId();
                if (thumbnailsselection[id])
                {
                    cb.setChecked(false);
                    thumbnailsselection[id] = false;
                }
                else
                {
                    cb.setChecked(true);
                    thumbnailsselection[id] = true;
                }
            }
        });

    holder.addressbook_check.setChecked(thumbnailsselection[position]);
    return convertView;
}

class ViewHolder
{
    TextView adddress_name;
    TextView adddress_number;
    CheckBox addressbook_check;
}