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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ## 功能型Widget簡介 功能型Widget指的是不會影響UI布局及外觀的Widget,它們通常具有一定的功能,如事件監聽、數據存儲等,我們之前介紹過的FocusScope(焦點控制)、PageStorage(數據存儲)、NotificationListener(事件監聽)都屬于功能型Widget。由于Widget是Flutter的一等公民,功能型Widget非常多,我們不會去一一介紹,本章中主要介紹幾種常用的功能型Widget。 ## 本章目錄 - [導航返回攔截-WillPopScope](willpopscope.html) - [數據共享-InheritedWidget](inherited_widget.html) - [主題-Theme](theme.html)
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