import 'package:flutter/widgets.dart'; extension WidgetExtension on Widget{ Widget padding(EdgeInsetsGeometry padding){ return Padding(padding: padding, child: this); } Widget paddingLeft(double padding){ return Padding(padding: EdgeInsets.only(left: padding), child: this); } Widget paddingRight(double padding){ return Padding(padding: EdgeInsets.only(right: padding), child: this); } Widget paddingTop(double padding){ return Padding(padding: EdgeInsets.only(top: padding), child: this); } Widget paddingBottom(double padding){ return Padding(padding: EdgeInsets.only(bottom: padding), child: this); } Widget paddingVertical(double padding){ return Padding(padding: EdgeInsets.symmetric(vertical: padding), child: this); } Widget paddingHorizontal(double padding){ return Padding(padding: EdgeInsets.symmetric(horizontal: padding), child: this); } Widget paddingAll(double padding){ return Padding(padding: EdgeInsets.all(padding), child: this); } Widget toCenter(){ return Center(child: this); } Widget toAlign(AlignmentGeometry alignment){ return Align(alignment: alignment, child: this); } Widget sliverPadding(EdgeInsetsGeometry padding){ return SliverPadding(padding: padding, sliver: this); } Widget sliverPaddingAll(double padding){ return SliverPadding(padding: EdgeInsets.all(padding), sliver: this); } Widget sliverPaddingVertical(double padding){ return SliverPadding(padding: EdgeInsets.symmetric(vertical: padding), sliver: this); } Widget sliverPaddingHorizontal(double padding){ return SliverPadding(padding: EdgeInsets.symmetric(horizontal: padding), sliver: this); } }