Filtering listview based on checkbox value

i am new to android,in my application i have a listview with image textview button and 3 checkboxes with values of 1,2,3.in run time i select the checkboxes based on my need, i want to add a filter for this listview for filtering the list based on the checkbox value,if i give 1 in searchbox the list should show the list of item that have the checkbox checked value of 1,if i give 2 the list should show the list of item that have the checkbox checked value of2 . can anyone please help me? below is my code

public class MainActivity extends ListActivity  {
    ListView lv;
    Cursor cursor,cursor1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.list_contact);

        cursor=getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, null, null, null);
        startManagingCursor(cursor);
        String[] from={ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME,ContactsContract.CommonDataKinds.Phone.NUMBER,ContactsContract.CommonDataKinds.Phone._ID};
        int[] to={R.id.name_entry,R.id.number_entry};



        ContactList listadapter=new ContactList(this,R.layout.single_row1,cursor,from,to);

        setListAdapter(listadapter);
        listadapter.notifyDataSetChanged();  
        lv=getListView();
        lv.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);


    }


    class ContactList extends SimpleCursorAdapter implements Filterable {

        private Context context;
        String strfromMobileno="";
        private int layout;
        public ContactList(Context context, int layout, Cursor c,
                String[] from, int[] to) {
            super(context, layout, c, from, to);
            this.context=context;
            this.layout=layout;

            // TODO Auto-generated constructor stub

        }


        @Override
        public View newView(Context context, Cursor cursor, ViewGroup parent) {



            final LayoutInflater inflater = LayoutInflater.from(context);
            View v = inflater.inflate(layout, parent, false);


            return v;
        }

       @Override
        public void bindView(View v, final Context context, Cursor c) {

            int nameCol = c.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME);
            String name = c.getString(nameCol);

            int noCol = c.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
            String no = c.getString(noCol);


         final CheckBox p1 = (CheckBox) v.findViewById(R.id.checkBox1);
            final CheckBox p2 = (CheckBox) v.findViewById(R.id.checkBox2);
            final CheckBox p3 = (CheckBox) v.findViewById(R.id.checkBox3);



            final TextView name_text = (TextView) v.findViewById(R.id.name_entry);
            if (name_text != null) {
                name_text.setText(name);
            }

            final TextView no_text = (TextView) v.findViewById(R.id.number_entry);
            if (no_text != null) {
                no_text.setText(no);
            }



            final Button btn=(Button)v.findViewById(R.id.button1);



                }


        }



        }