widget_appbar.dart
class WidgetAppBar extends StatelessWidget implements PreferredSizeWidget { final Color? backgroundColor; final Color? textIconColor; final String? icon; final String? title; final double? height; final List<Widget>? menuItem; final bool hideBack; WidgetAppBar({ this.backgroundColor = whiteColor, this.textIconColor = headingColor, this.icon, this.title = '', this.menuItem, this.height: kToolbarHeight, this.hideBack = false, }); @override Size get preferredSize => Size.fromHeight(height!); @override Widget build(BuildContext context) { return AppBar( actions: menuItem, toolbarHeight: preferredSize.height, iconTheme: IconThemeData( color: textIconColor, ), leading: hideBack ? Container() : icon == null ? BackButton() : IconButton( icon: Image.asset( icon!, height: 18, width: 18, ), onPressed: () { Navigator.pop(context, true); }, ), title: Text( title!, style: TextStyle( fontSize: 20, fontWeight: FontWeight.bold, color: textIconColor, ), ), backgroundColor: backgroundColor, centerTitle: true, ); }}How to use?
@overrideWidget build(BuildContext context) { return Scaffold( appBar: WidgetAppBar( icon: ic_back_black, title: 'Toolbar Title', ), body: SafeArea( child: Container(), ), );}