AppContainer class

A flexible, theme-aware container.

Combines the most common box properties (color, gradient, border, radius, shadow, padding, tap) into a single widget with sensible design-system defaults.

Inheritance
Available extensions

Constructors

AppContainer({Key? key, Widget? child, Color? color, Gradient? gradient, EdgeInsetsGeometry? padding, EdgeInsetsGeometry? margin, double? radius, BorderRadius? border, Color? borderColor, double borderWidth = 1, List<BoxShadow>? shadows, bool elevated = false, VoidCallback? onTap, double? width, double? height, AlignmentGeometry? alignment, BoxConstraints? constraints})
const

Properties

alignment → AlignmentGeometry?
Child alignment.
final
border → BorderRadius?
Explicit border radius (overrides radius).
final
borderColor → Color?
Border color when borderWidth is used.
final
borderWidth → double
Border stroke width.
final
centered → Widget

Available on Widget, provided by the WidgetX extension

Wraps the widget in a Center.
no setter
child → Widget?
The inner content.
final
color → Color?
Solid background color.
final
constraints → BoxConstraints?
Box constraints.
final
elevated → bool
Applies the default elevated card shadow.
final
gradient → Gradient?
Background gradient (takes precedence over color).
final
hashCode → int
The hash code for this object.
no setterinherited
height → double?
Fixed height.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
margin → EdgeInsetsGeometry?
Outer margin.
final
onTap → VoidCallback?
Tap callback (wraps content in Material + InkWell).
final
padding → EdgeInsetsGeometry?
Inner padding.
final
radius → double?
Corner radius. Defaults to AppRadius.medium.
final
repaint → Widget

Available on Widget, provided by the WidgetX extension

Wraps in RepaintBoundary to isolate repaints.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
shadows → List<BoxShadow>?
Custom box shadows.
final
width → double?
Fixed width.
final

Methods

animatedSwitcher({Duration duration = const Duration(milliseconds: 300), AnimatedSwitcherTransitionBuilder transitionBuilder = _defaultAnimatedSwitcherTransition, AnimatedSwitcherLayoutBuilder layoutBuilder = AnimatedSwitcher.defaultLayoutBuilder}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps in an AnimatedSwitcher with duration and default fade.
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
expanded({int flex = 1}) → Widget

Available on Widget, provided by the WidgetX extension

Expands the widget inside a Flex parent.
fadeIn({double opacity = 1, Duration duration = const Duration(milliseconds: 300), Curve curve = Curves.easeIn}) → Widget

Available on Widget, provided by the WidgetAnimateX extension

Wraps in an AnimatedOpacity.
flexible({int flex = 1, FlexFit fit = FlexFit.loose}) → Widget

Available on Widget, provided by the WidgetX extension

Applies flexible sizing.
keyed(Object key) → Widget

Available on Widget, provided by the WidgetX extension

Wraps the widget in a KeyedSubtree with key.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onTap(VoidCallback onTap, {HitTestBehavior behavior = HitTestBehavior.opaque}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps the widget in GestureDetector with onTap.
pad({double horizontal = 0, double vertical = 0}) → Widget

Available on Widget, provided by the WidgetX extension

Applies symmetric padding.
padded([double padding = AppSpacing.lg]) → Widget

Available on Widget, provided by the WidgetX extension

Applies uniform padding.
scaleOnTap({double scale = 0.95, required VoidCallback onTap, Duration duration = const Duration(milliseconds: 150)}) → Widget

Available on Widget, provided by the WidgetAnimateX extension

Wraps in an AnimatedScale.
semantics({required String label, bool button = false}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps in a Semantics node with label.
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
visible({bool condition = true}) → Widget

Available on Widget, provided by the WidgetX extension

Hides the widget entirely when condition is false.
withPadding(EdgeInsetsGeometry padding) → Widget

Available on Widget, provided by the WidgetX extension

Applies padding only.

Operators

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