TheSparklingStarrySky

You can do this ： // 在 widget 树中向上查找最近的父级`Scaffold` widget Scaffold scaffold = context.findAncestorWidgetOfExactType() as Scaffold; // 直接返回 AppBar的title， 此处实际上是Text("Context测试") return (scaffold.appBar as AppBar).title as Widget;