toggle function
Widget
toggle(
- dynamic first, {
- Key? key,
- AlignmentGeometry? alignment,
- bool isSliver = false,
- bool isShown = true,
Implementation
Widget toggle(first,
{Key? key,
AlignmentGeometry? alignment,
bool isSliver = false,
bool isShown = true}) {
return AnimatedCrossFade(
key: key,
firstChild: Builder(
builder: (context) {
if (isShown == true) {
return (first is Widget ? first : first(context)) as Widget;
} else {
return isSliver ? sliverEmptyBox : emptyBox;
}
},
),
secondChild: emptyBox,
alignment: alignment = Alignment.centerLeft,
crossFadeState:
isShown ? CrossFadeState.showFirst : CrossFadeState.showSecond,
duration: 300.ms,
layoutBuilder: defaultLayoutBuilder,
);
}