ResponsiveRatioSizeProvider class

ResponsiveRatioSizeProvider

=== Major iPhone Screen Sizes Name Logical Size Physical Size iPhone 8 375 × 667 750 × 1334 iPhone 12/13/14 390 × 844 1170 × 2532 iPhone 16 393 × 852 1170 × 2556 iPhone 16 Plus 430 × 932 1290 × 2796 iPhone 16 Pro 402 × 874 1206 × 2622 iPhone 16 Pro Max 440 × 956 1320 × 2868

update: 2025-01-17

use 390 x 844 as default design size

Inheritance

Constructors

ResponsiveRatioSizeProvider({Key? key, Size design = defaultDesignSize, bool usePortraitInitialLayout = false, bool disabled = false, required Widget child})
const

Properties

child → Widget
final
design → Size
design size of app default: 390 x 844
final
disabled → bool
don't provide responsive size
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
usePortraitInitialLayout → bool
traited device's orientation as Portrait when initialize
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<ResponsiveRatioSizeProvider>
Creates the mutable state for this widget at a given location in the tree.
override
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

Constants

defaultDesignSize → const Size