ResponsiveUtils class

===================================================================== PRO V2 RESPONSIVE SYSTEM (2025 Optimized)

• Same API you already use (w1, h8, f16, .w, .h, .sp, safeAreaTopSpace) • Upgraded: Hybrid Scale + DPI + Orientation + Tablet/Desktop tuning • Prevent UI jumping on foldables, tablets, ultrawide screens • Auto updates on rotation / resize / folding

Inheritance

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

didChangeAccessibilityFeatures() → void
Called when the system changes the set of currently active accessibility features.
inherited
didChangeAppLifecycleState(AppLifecycleState state) → void
Called when the system puts the app in the background or returns the app to the foreground.
override
didChangeLocales(List<Locale>? locales) → void
Called when the system tells the app that the user's locale has changed. For example, if the user changes the system language settings.
inherited
didChangeMetrics() → void
Called when the application's dimensions change. For example, when a phone is rotated.
override
didChangePlatformBrightness() → void
Called when the platform brightness changes.
inherited
didChangeTextScaleFactor() → void
Called when the platform's text scale factor changes.
inherited
didChangeViewFocus(ViewFocusEvent event) → void
Called whenever the PlatformDispatcher receives a notification that the focus state on a view has changed.
inherited
didHaveMemoryPressure() → void
Called when the system is running low on memory.
inherited
didPopRoute() → Future<bool>
Called when the system tells the app to pop the current route, such as after a system back button press or back gesture.
inherited
didPushRoute(String route) → Future<bool>
Called when the host tells the application to push a new route onto the navigator.
inherited
didPushRouteInformation(RouteInformation routeInformation) → Future<bool>
Called when the host tells the application to push a new RouteInformation and a restoration state onto the router.
inherited
didRequestAppExit() → Future<AppExitResponse>
Called when a request is received from the system to exit the application.
inherited
handleCancelBackGesture() → void
Called when a predictive back gesture is canceled, indicating that no navigation should occur.
inherited
handleCommitBackGesture() → void
Called when a predictive back gesture is finished successfully, indicating that the current route should be popped.
inherited
handleStartBackGesture(PredictiveBackEvent backEvent) → bool
Called at the start of a predictive back gesture.
inherited
handleUpdateBackGestureProgress(PredictiveBackEvent backEvent) → void
Called when a predictive back gesture moves.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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

Static Properties

blockSizeHorizontal ↔ double
getter/setter pair
blockSizeVertical ↔ double
getter/setter pair
instance → ResponsiveUtils
no setter
safeAreaBottom ↔ double
getter/setter pair
safeAreaLeft ↔ double
getter/setter pair
safeAreaRight ↔ double
getter/setter pair
safeAreaTop ↔ double
getter/setter pair
safeBlockHorizontal ↔ double
getter/setter pair
safeBlockVertical ↔ double
getter/setter pair
screenHeight ↔ double
getter/setter pair
screenWidth ↔ double
getter/setter pair

Static Methods

font(double inputFont) → double
Font scaling — tuned for readability
height(double inputHeight) → double
Height-based scaling (Vertical containers)
init({BuildContext? context}) → void
INITIALIZE → Put in main() or auto-initializes on first use
width(double inputWidth) → double
Width-based scaling (Spacing, Radius, Padding, Horizontal values)