SizedBox class Null safety

A box with a specified size.

Inheritance

Constructors

SizedBox({double? width, double? height, Widget? child})
Creates a fixed size box.
SizedBox.expand({Widget? child})
Creates a box that will become as large as its parent allows.
SizedBox.fromSize({Widget? child, PdfPoint? size})
Creates a box with the specified size.
SizedBox.shrink({Widget? child})
Creates a box that will become as small as its parent allows.

Properties

box PdfRect?
The bounding box of this widget, calculated at layout time
read / write, inherited
canSpan bool
read-only, inherited
child Widget?
final
hashCode int
The hash code for this object. [...]
read-only, inherited
hasMoreWidgets bool
read-only, inherited
height double?
If non-null, requires the child to have exactly this height.
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
width double?
If non-null, requires the child to have exactly this width.
final

Methods

build(Context context) Widget
override
debugPaint(Context context) → void
@protected, inherited
layout(Context context, BoxConstraints constraints, {bool parentUsesSize = false}) → void
First widget pass to calculate the children layout and bounding box
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
paint(Context context) → void
Draw itself and its children, according to the calculated box.offset
inherited
restoreContext(covariant WidgetContext context) → void
Apply the context for next layout
inherited
saveContext() WidgetContext
Get unmodified mutable context object
inherited
toString() String
A string representation of this object. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited