import 'package:flutter/material.dart'; class ResponsiveLayoutUtil { static const double _kMobileThreshold = 900; const ResponsiveLayoutUtil._(); static final instance = ResponsiveLayoutUtil._(); bool isMobile(BuildContext context) { final MediaQueryData mediaQueryData = MediaQuery.of(context); return mediaQueryData.size.width < _kMobileThreshold; } /// Returns dynamic size. /// /// If screen size is mobile, it returns 66% ([scale]) of the [originalValue]. double getDynamicSize( BuildContext context, double originalValue, { double? mobileSize, double? scale, }) { scale ??= 2 / 3; mobileSize ??= originalValue * scale; final value = isMobile(context) ? mobileSize : originalValue; return value.roundToDouble(); } }