Add Custom Layout to AlertDialog Android

CustomAlertActivity.java

    public void showCustomAlert() {
        AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context);
        LayoutInflater inflater = this.getLayoutInflater();
        View dialogView = inflater.inflate(R.layout.update_layout, null);
        dialogBuilder.setView(dialogView);

        EditText etName = (EditText) dialogView.findViewById(R.id.etName);

        AlertDialog alertDialog = dialogBuilder.create();
        alertDialog.show();
    }