SizedBox class
A box with a specified size.
- Inheritance
-
- Object
- Widget
- StatelessWidget
- SizedBox
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.
- SizedBox.square({Widget? child, double? dimension})
- Creates a box whose width and height are equal.
Properties
- box ↔ PdfRect?
-
The bounding box of this widget, calculated at layout time
getter/setter pairinherited
- canSpan → bool
-
no setterinherited
- child → Widget?
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasMoreWidgets → bool
-
no setterinherited
- 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.
no setterinherited
- width → double?
-
If non-null, requires the child to have exactly this width.
final
Methods
-
applyContext(
covariant WidgetContext context) → void -
Called before relayout to restore the saved state and
restart the layout in the same conditions
inherited
-
build(
Context context) → Widget -
override
-
cloneContext(
) → WidgetContext -
Called after layout to save the state
inherited
-
debugPaint(
Context context) → void -
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 nonexistent method or property is accessed.
inherited
-
paint(
Context context) → void -
Draw itself and its children, according to the calculated
box.offsetinherited -
restoreContext(
covariant WidgetContext context) → void -
Apply the context for next page layout.
Called before layout to prepare for next page
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