PatchbayRevealDirection enum

一次 reveal 请求的内容序方向。

不是屏幕方向：forward 表示朝 maxScrollExtent 前进（pixels 增大）， backward 朝 minScrollExtent。落到哪个 SemanticsAction 由容器当前暴露的 action 与观察到的位移符号确定——reverse: true 的列表与横向列表因此不需要 调用方先知道布局方向。

both 是默认值，也是唯一零探测步的选择：它只要求把同轴的两个 action 各自 驱动到耗尽，不需要先知道谁增大 pixels。

Inheritance

• Object
• Enum
• PatchbayRevealDirection

Available extensions

• EnumName

Values

forward → const PatchbayRevealDirection

backward → const PatchbayRevealDirection

both → const PatchbayRevealDirection

Properties

hashCode → int

The hash code for this object.

no setter, inherited

index → int

A numeric identifier for the enumerated value.

no setter, inherited

name → String

Available on Enum, provided by the EnumName extension

The name of the enum value.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

wire → PatchbayRevealDirectionWire

no setter

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

fromWire(PatchbayRevealDirectionWire wire) → PatchbayRevealDirection

Constants

values → const List<PatchbayRevealDirection>

A constant List of the values in this enum, in order of their declaration.