VAppBar class
主题感知的 AppBar（替代 CommonAppbarUtil.getAppBar）
迁移方式： CommonAppbarUtil.getAppBar(context, title: '标题') → VAppBar(title: '标题')
区别：默认值从 Theme 取，不再硬编码色值。 传了参数就用参数的，没传就走主题。
- Inheritance
- Implemented types
Constructors
- VAppBar({Key? key, String title = '', String? appBarBackgroundColor, Widget? leadingWidget, double? leadingWidth, Function? leadingAction, String? action1Txt, SystemUiOverlayStyle? systemOverlayStyle, Widget? titleView, String? backIconColor, double backIconSize = 20, PreferredSizeWidget? bottomWidget, bool isHideBottomLine = true, double? appbarTitleFontSize, String? titleColor, Widget? actionView, bool isLeading2WillPopScope = false, String bottomLineColor = '#dcdcdc', bool isHideMineLine = true})
-
const
Properties
- action1Txt → String?
-
右侧文字按钮文案（兼容旧接口）
final
- actionView → Widget?
-
右侧 action Widget（兼容旧接口）
final
- appBarBackgroundColor → String?
-
背景色（hex），null 时走 appBarTheme.backgroundColor
final
- appbarTitleFontSize → double?
-
标题字号，null 时走 textTheme.titleLarge.fontSize
final
- backIconColor → String?
-
返回箭头颜色（hex），null 时走 appBarTheme.foregroundColor
final
- backIconSize → double
-
返回箭头大小
final
- bottomLineColor → String
-
底部分割线颜色（hex），isHideMineLine=false 时生效
final
- bottomWidget → PreferredSizeWidget?
-
底部 Widget（如 TabBar）
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- isHideBottomLine → bool
-
是否隐藏底部阴影，true=无阴影(elevation=0)，false=有阴影(elevation=4)
final
- isHideMineLine → bool
-
是否隐藏底部分割线，false 时显示 0.5px 的底部线
final
- isLeading2WillPopScope → bool
-
为 true 时隐藏左侧 leading（用于 WillPopScope 场景）
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- leadingAction → Function?
-
返回按钮点击回调，null 时默认 Navigator.pop
final
- leadingWidget → Widget?
-
左侧自定义 Widget，null 时自动显示返回箭头
final
- leadingWidth → double?
-
左侧区域宽度
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
- systemOverlayStyle → SystemUiOverlayStyle?
-
状态栏样式（控制顶部状态栏文字颜色）
final
- title → String
-
标题文字
final
- titleColor → String?
-
标题颜色（hex），null 时走 appBarTheme.foregroundColor
final
- titleView → Widget?
-
自定义标题 Widget，优先级高于 title
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
override
-
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, 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