apskel-pos-flutter-v2/lib/common/function/app_function.dart

import 'package:flutter/material.dart';

void dismissKeyboard(BuildContext context) {
  final currentFocus = FocusScope.of(context);
  if (!currentFocus.hasPrimaryFocus && currentFocus.focusedChild != null) {
    FocusManager.instance.primaryFocus?.unfocus();
  }
}