Signal class
没有数据, 只发射信号的IO
Properties
- future → Future
-
输出Future
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasStickySignal → bool
-
是否有粘性信号可以处理
no setter
- isDisposed → bool
-
no setterinherited
- latest ↔ dynamic
-
最新的值
getter/setter pairinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- stream ↔ Stream
-
输出Stream
getter/setter pairinherited
Methods
-
add(
dynamic data) → void -
发射数据
override
-
addError(
Object error, [StackTrace? stackTrace]) → void -
inherited
-
addIfAbsent(
dynamic data) → dynamic -
inherited
-
addStream(
Stream source, {bool cancelOnError = true}) → Future -
inherited
-
dispose(
) → void -
关闭流
inherited
-
distinct(
[bool test(dynamic previous, dynamic next)?]) → Stream -
inherited
-
emit(
) → void - 发射信号
-
first(
[bool cancelSubscription = false]) → Future -
输出Future,
cancelSubscription决定是否取消订阅inherited -
invalidate(
[dynamic newData]) → void -
重新发送数据 用户修改数据后刷新的场景
inherited
-
listen(
ValueChanged listener, {Function? onError, VoidCallback? onDone, bool? cancelOnError}) → StreamSubscription -
监听流
inherited
-
map<
S> (S convert(dynamic event)) → Stream< S> -
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
reset(
) → void -
清理保存的值, 恢复成初始状态
override
-
runtimeSummary(
) → String -
运行时概要
inherited
-
sample(
Duration duration) → Stream -
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
update(
[dynamic arg]) → Future -
使用内部的trigger获取数据
inherited
-
where(
bool test(dynamic event)) → Stream -
inherited
-
whereType<
R> () → Stream< R> -
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited