AnimatedSwitcher constructor Null safety
- {Key? key,
- Widget? child,
- required Duration duration,
- Duration? reverseDuration,
- Curve switchInCurve = Curves.linear,
- Curve switchOutCurve = Curves.linear,
- AnimatedSwitcherTransitionBuilder transitionBuilder = AnimatedSwitcher.defaultTransitionBuilder,
- AnimatedSwitcherLayoutBuilder layoutBuilder = AnimatedSwitcher.defaultLayoutBuilder}
Creates an AnimatedSwitcher.
The duration, transitionBuilder, layoutBuilder, switchInCurve, and switchOutCurve parameters must not be null.
Implementation
const AnimatedSwitcher({
super.key,
this.child,
required this.duration,
this.reverseDuration,
this.switchInCurve = Curves.linear,
this.switchOutCurve = Curves.linear,
this.transitionBuilder = AnimatedSwitcher.defaultTransitionBuilder,
this.layoutBuilder = AnimatedSwitcher.defaultLayoutBuilder,
}) : assert(duration != null),
assert(switchInCurve != null),
assert(switchOutCurve != null),
assert(transitionBuilder != null),
assert(layoutBuilder != null);