import 'package:flutter/material.dart'; class MySpacing { static EdgeInsets zero = EdgeInsets.zero; static EdgeInsets only( {double top = 0, double right = 0, double bottom = 0, double left = 0}) { return EdgeInsets.only(left: left, right: right, top: top, bottom: bottom); } static EdgeInsets fromLTRB( double left, double top, double right, double bottom) { return MySpacing.only(bottom: bottom, top: top, right: right, left: left); } static EdgeInsets all(double spacing) { return MySpacing.only( bottom: spacing, top: spacing, right: spacing, left: spacing); } static EdgeInsets left(double spacing) { return MySpacing.only(left: spacing); } static EdgeInsets nLeft(double spacing) { return MySpacing.only(top: spacing, bottom: spacing, right: spacing); } static EdgeInsets top(double spacing) { return MySpacing.only(top: spacing); } static EdgeInsets nTop(double spacing) { return MySpacing.only(left: spacing, bottom: spacing, right: spacing); } static EdgeInsets right(double spacing) { return MySpacing.only(right: spacing); } static EdgeInsets nRight(double spacing) { return MySpacing.only(top: spacing, bottom: spacing, left: spacing); } static EdgeInsets bottom(double spacing) { return MySpacing.only(bottom: spacing); } static EdgeInsets nBottom(double spacing) { return MySpacing.only(top: spacing, left: spacing, right: spacing); } static EdgeInsets horizontal(double spacing) { return MySpacing.only(left: spacing, right: spacing); } static EdgeInsets x(double spacing) { return MySpacing.only(left: spacing, right: spacing); } static EdgeInsets xy(double xSpacing, double ySpacing) { return MySpacing.only( left: xSpacing, right: xSpacing, top: ySpacing, bottom: ySpacing); } static EdgeInsets y(double spacing) { return MySpacing.only(top: spacing, bottom: spacing); } static EdgeInsets vertical(double spacing) { return MySpacing.only(top: spacing, bottom: spacing); } static EdgeInsets symmetric({double vertical = 0, double horizontal = 0}) { return MySpacing.only( top: vertical, right: horizontal, left: horizontal, bottom: vertical); } static SizedBox height(double height) { return SizedBox( height: height, ); } static double fullWidth(BuildContext context) { return MediaQuery.of(context).size.width; } static SizedBox width(double width) { return SizedBox( width: width, ); } static Widget empty() { return SizedBox(width: 0, height: 0); } static double safeAreaTop(BuildContext context) { return MediaQuery.of(context).padding.top; } }