AnimatedContainer constructor
- Key? key,
- AlignmentGeometry? alignment,
- EdgeInsetsGeometry? padding,
- Color? color,
- Decoration? decoration,
- Decoration? foregroundDecoration,
- double? width,
- double? height,
- BoxConstraints? constraints,
- EdgeInsetsGeometry? margin,
- Matrix4? transform,
- AlignmentGeometry? transformAlignment,
- Widget? child,
- Clip clipBehavior = Clip.none,
- Curve curve = Curves.linear,
- required Duration duration,
- VoidCallback? onEnd,
Creates a container that animates its parameters implicitly.
Implementation
AnimatedContainer({
super.key,
this.alignment,
this.padding,
Color? color,
Decoration? decoration,
this.foregroundDecoration,
double? width,
double? height,
BoxConstraints? constraints,
this.margin,
this.transform,
this.transformAlignment,
this.child,
this.clipBehavior = Clip.none,
super.curve,
required super.duration,
super.onEnd,
}) : assert(margin == null || margin.isNonNegative),
assert(padding == null || padding.isNonNegative),
assert(decoration == null || decoration.debugAssertIsValid()),
assert(constraints == null || constraints.debugAssertIsValid()),
assert(color == null || decoration == null,
'Cannot provide both a color and a decoration\n'
'The color argument is just a shorthand for "decoration: BoxDecoration(color: color)".',
),
decoration = decoration ?? (color != null ? BoxDecoration(color: color) : null),
constraints =
(width != null || height != null)
? constraints?.tighten(width: width, height: height)
?? BoxConstraints.tightFor(width: width, height: height)
: constraints;