How to open number dialer pad programmatically in android?

Question

I want to display Number Dial Keypad (Phone Call) Programmatically on button click in android. Code is available for direct number dialing but I only need to show the dial keypa

Answer 1

 public void openDialPad(String phoneNumber) {
        Intent intent = new Intent(Intent.ACTION_DIAL);
        intent.setData(Uri.parse(phoneNumber));
        startActivity(intent);
    }