SnapSpec class

Defines how a SlidingSheet should snap, or if it should at all.

Constructors

SnapSpec({bool snap = true, List<double> snappings = const [0.4, 1.0], double? initialSnap, SnapPositioning positioning = SnapPositioning.relativeToAvailableSpace, void onSnap(SheetState, double? snap)?})

Creates an object that defines how a SlidingSheet should snap, or if it should at all.

const

Properties

hashCode → int

The hash code for this object.

read-only, override

initialSnap → double?

The initial snap extent.

final

maxSnap → double

read-only

minSnap → double

read-only

onSnap → (void Function(SheetState, double? snap)?)

A callback function that gets called when the SlidingSheet snaps to an extent.

final

positioning → SnapPositioning

How the snaps will be positioned:

final

runtimeType → Type

A representation of the runtime type of the object.

read-only, inherited

snap → bool

If true, the SlidingSheet will snap to the provided snappings. If false, the SlidingSheet will slide from minExtent to maxExtent and then begin to scroll.

final

snappings → List<double>

The snap extents for a SlidingSheet.

final

Methods

copyWith({bool? snap, List<double>? snappings, double? initialExtent, SnapPositioning? positioning, void onSnap(SheetState, double? snap)?}) → SnapSpec

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object o) → bool

The equality operator.

override

Static Methods

isSnap(double? snap) → bool

private

Constants

expanded → const double

The snap extent that expands the whole SlidingSheet

double.infinity

footerSnap → const double

The snap extent that makes the footer fully visible without account for bottom padding on the SlidingSheet.

-3

headerFooterSnap → const double

The snap extent that makes header and footer fully visible without account for vertical padding on the SlidingSheet.

-1

headerSnap → const double

The snap extent that makes the header fully visible without account for top padding on the SlidingSheet.

-2