ObsBuilder class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- ObsBuilder
- Available extensions
Constructors
-
ObsBuilder({Key? key, bool? ignoreObs, List<
Listenable> ? listenables, required WidgetBuilder builder}) -
响应式变量构建器,当任何一个响应式变量发生变化时,都会自动重建小部件
const
Properties
- builder → WidgetBuilder
-
构建小部件函数,它会自动收集内部的响应式变量
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- ignoreObs → bool?
-
忽略 builder 内部的 Obs,若为 true,将不会自动收集依赖
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
listenables
→ List<
Listenable> ? -
手动绑定监听的响应式变量,此数组用于监听实现 Listenable 接口的对象,
如果指定 Obs 变量,请设置 ignoreObs 避免重复绑定监听函数。
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → Element -
Inflates this configuration to a concrete instance.
override
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noScrollbarBehavior(
BuildContext context, {Key? key, bool? overscroll, bool enabled = true}) → Widget -
Available on Widget, provided by the FlutterWidgetExt extension
不使用祖先提供的默认滚动条,当使用自定义滚动条时请添加此扩展方法,防止与祖先提供的默认滚动条重叠 -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toDiagnosticsNode(
{String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by DiagnosticsNode.toStringDeep.
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
A string representation of this object.
inherited
-
toStringDeep(
{String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String -
Returns a string representation of this node and its descendants.
inherited
-
toStringShallow(
{String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String -
Returns a one-line detailed description of the object.
inherited
-
toStringShort(
) → String -
A short, textual description of this widget.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited