AssetPickerAppBar class

A custom app bar. 自定义的顶栏

Inheritance
Implemented types

Constructors

AssetPickerAppBar({Key? key, bool automaticallyImplyLeading = true, bool automaticallyImplyActions = true, Brightness? brightness, Widget? title, Widget? leading, PreferredSizeWidget? bottom, bool centerTitle = true, Color? backgroundColor, double elevation = 0, List<Widget>? actions, EdgeInsetsGeometry? actionsPadding, double? height, double blurRadius = 0, IconThemeData? iconTheme, Semantics semanticsBuilder(Widget appBar)?})
const

Properties

actions → List<Widget>?
Action widgets. 尾部操作部件
final
actionsPadding → EdgeInsetsGeometry?
Padding for actions. 尾部操作部分的内边距
final
automaticallyImplyActions → bool
Whether it should imply actions size with effectiveHeight. 是否会自动使用 effectiveHeight 进行占位
final
automaticallyImplyLeading → bool
Whether it should imply leading with BackButton automatically. 是否会自动检测并添加返回按钮至头部
final
backgroundColor → Color?
Background color. 背景颜色
final
blurRadius → double
The blur radius applies on the bar. 顶栏的高斯模糊值
final
bottom → PreferredSizeWidget?
This widget appears across the bottom of the app bar. 显示在顶栏下方的 widget
final
brightness → Brightness?
Set the brightness for the status bar's layer. 设置状态栏亮度层
final
centerTitle → bool
Whether the title should be at the center. title 是否会在正中间
final
effectiveHeight → double
no setter
elevation → double
Elevation to Material. 设置在 Material 的阴影
final
hashCode → int
The hash code for this object.
no setterinherited
height → double?
Height of the app bar. 高度
final
iconTheme → IconThemeData?
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
leading → Widget?
Leading widget. 头部部件
final
preferredSize → Size
The size this widget would prefer if it were otherwise unconstrained.
no setteroverride
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
semanticsBuilder → (Semantics Function(Widget appBar)?)
final
title → Widget?
Title widget. Typically a Text widget. 标题部件
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
canPop(BuildContext context) → bool
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
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
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}) → 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