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use autocomplete textview with contacts phone number
public class MyContacts extends Activity {

    AutoCompleteTextView txtPhoneNo;

    public ArrayList<String> c_Name = new ArrayList<String>();
    public ArrayList<String> c_Number = new ArrayList<String>();
    String[] name_Val = null;
    String[] phone_Val = null;

    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        txtPhoneNo = (AutoCompleteTextView) findViewById(R.id.txtPhoneNo);

    }

    Uri contacts = Uri.parse("content://icc/adn");
    ContentResolver cr = getContentResolver();

    Cursor managedCursor1 = cr.query(contacts, null, null, null, null);
    {
        if (managedCursor1.moveToFirst()) {

            String contactname;
            String cphoneNumber;

            int nameColumn = managedCursor1.getColumnIndex("name");
            int phoneColumn = managedCursor1.getColumnIndex("number");

            Log.d("int Name", Integer.toString(nameColumn));
            Log.d("int Number", Integer.toString(phoneColumn));

            do {
                // Get the field values
                contactname = managedCursor1.getString(nameColumn);
                cphoneNumber = managedCursor1.getString(phoneColumn);
                if ((contactname != " " || contactname != null)
                        && (cphoneNumber != " " || cphoneNumber != null)) {

                    c_Name.add(contactname);
                    c_Number.add(cphoneNumber);
                }

            } while (managedCursor1.moveToNext());
        }
        name_Val = (String[]) c_Name.toArray(new String[c_Name.size()]);
        phone_Val = (String[]) c_Number.toArray(new String[c_Name.size()]);
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_dropdown_item_1line, name_Val);
        txtPhoneNo.setAdapter(adapter);
    }
}

POJO pojo_obj = new POJO();
pojo_obj.setcontact_name(contactname);
pojo_obj.setcontact_number(cphoneNumber);
list.add(pojo_obj);

list.get(position).getcontact_name();
list.get(position).getcontact_number();