flutter之实现自定义头部导航栏

flutter实现自定义头部导航公共组件

代码实现

class CustomAppBar extends AppBar {
  final Color color;
  final String titleText;
  final List<Widget> actions;
  final PreferredSizeWidget bottom;
  final double toolbarHeight;
  CustomAppBar(
      {this.titleText,
      this.color,
      this.actions,
      this.bottom,
      this.toolbarHeight})
      : super(
          title: Text(
            titleText ?? '',
            style: TextStyle(fontSize: 16.0),
          ),
          backgroundColor: color ?? CustomColor.loginForm,
          centerTitle: true,
          actions: actions ?? [Container()],
          bottom: bottom,
        );
}