BackdropAppBar constructor
BackdropAppBar({
- Key? key,
- Widget? leading,
- bool automaticallyImplyLeading = true,
- Widget? title,
- List<
Widget> ? actions, - Widget? flexibleSpace,
- PreferredSizeWidget? bottom,
- double? elevation = 0.0,
- Color? shadowColor,
- ShapeBorder? shape,
- Color? backgroundColor,
- Color? foregroundColor,
- IconThemeData? iconTheme,
- IconThemeData? actionsIconTheme,
- bool primary = true,
- bool? centerTitle,
- bool excludeHeaderSemantics = false,
- double? titleSpacing,
- double toolbarOpacity = 1.0,
- double bottomOpacity = 1.0,
- double? toolbarHeight,
- double? leadingWidth,
- TextStyle? toolbarTextStyle,
- TextStyle? titleTextStyle,
- SystemUiOverlayStyle? systemOverlayStyle,
Creates a backdrop app bar.
For more information see AppBar.
Implementation
BackdropAppBar({
Key? key,
this.leading,
this.automaticallyImplyLeading = true,
this.title,
this.actions,
this.flexibleSpace,
this.bottom,
this.elevation = 0.0,
this.shadowColor,
this.shape,
this.backgroundColor,
this.foregroundColor,
this.iconTheme,
this.actionsIconTheme,
this.primary = true,
this.centerTitle,
this.excludeHeaderSemantics = false,
this.titleSpacing,
this.toolbarOpacity = 1.0,
this.bottomOpacity = 1.0,
this.toolbarHeight,
this.leadingWidth,
this.toolbarTextStyle,
this.titleTextStyle,
this.systemOverlayStyle,
}) : assert(elevation == null || elevation >= 0.0),
preferredSize = Size.fromHeight((toolbarHeight ?? kToolbarHeight) +
(bottom?.preferredSize.height ?? 0)),
super(key: key);