ResponsiveBuilder class

A builder widget that provides different layouts based on screen size.

Use this widget for finer-grained responsive control based on screen size categories (xs, sm, md, lg, xl).

ResponsiveBuilder(
  xs: (context, info) => SingleColumnLayout(),
  sm: (context, info) => SingleColumnLayout(),
  md: (context, info) => TwoColumnLayout(),
  lg: (context, info) => ThreeColumnLayout(),
  xl: (context, info) => FourColumnLayout(),
)
Inheritance

Constructors

ResponsiveBuilder({Key? key, Widget xs(BuildContext context, AdaptiveDeviceInfo info)?, Widget sm(BuildContext context, AdaptiveDeviceInfo info)?, Widget md(BuildContext context, AdaptiveDeviceInfo info)?, Widget lg(BuildContext context, AdaptiveDeviceInfo info)?, Widget xl(BuildContext context, AdaptiveDeviceInfo info)?, Widget builder(BuildContext context, AdaptiveDeviceInfo info)?})
Creates a ResponsiveBuilder widget.
const

Properties

builder → Widget Function(BuildContext context, AdaptiveDeviceInfo info)?
Default builder used when no specific builder is provided.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
lg → Widget Function(BuildContext context, AdaptiveDeviceInfo info)?
Builder for large screens (900-1200px).
final
md → Widget Function(BuildContext context, AdaptiveDeviceInfo info)?
Builder for medium screens (600-900px).
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
sm → Widget Function(BuildContext context, AdaptiveDeviceInfo info)?
Builder for small screens (360-600px).
final
xl → Widget Function(BuildContext context, AdaptiveDeviceInfo info)?
Builder for extra large screens (> 1200px).
final
xs → Widget Function(BuildContext context, AdaptiveDeviceInfo info)?
Builder for extra small screens (< 360px).
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited