原文連結 http://blog.chinatimes.com/tomsun/archive/2010/08/31/533666.html 什麼是 Android 應用程式框架 (Application framework)？ What is Android application framework? Android 為了節省開發者撰寫應用程式的時間、加速應用程式開發的速度。所以在應用程 式與內部系統環境之間設置了一個讓程式更簡易溝通的界面，它稱之為應用程式框架 (Application framework)。 For saving the time developers spent on writing applications to accelerate applications development, a framework between applications and internal system environment is developed to simplify the communication between programs. It is called application framework. 對於應用程式的開發者來說，他得以透過Java程式呼叫應用程式框架所提供的應用程式界 面(Application Programming Interface, API)，來實作更底層的函式庫(Libraries)功 能。 For the applications developer, he implements the more low-level libraries with Java programs by calling application programming interfaces provided by the application framework. 在這個應用程式框架之中，包含了活動管理者(Activity Manager)、視窗管理者(Window Manager)、內容提供者(Content Providers)、外觀元件系統(View System)、程式管理者 (Package Manager)、電話功能管理者(Telephony Manager)、資源管理者(Resource Manager)、地理位置管理者(Location Manager)以及訊息管理者(Notification Manager) 等服務或者系統。 The application framework comprises Activity Manager, Window Manager, Content Provider, View System, Package Manager, Telephony Manager, Notification Manager, and other services or systems. 總體來說，開發者通常只需要理解應用程式與應用程式框架之間的運作關係、以及如何透 過Java程式語言實作的方法即可，並不太需要探究更內部的系統環境。 All in all, developers only need to understand the relations between application and the application framework and how to implement the applications by Java language; they don't need to do more research on the internal system environment. 然而，假若是要移植Android至嵌入式系統(例如洗衣機的控制界面)的產品開發者，仍有 必要理解Android系統內部的函式庫、Android執行環境與Linux核心的細節。 however, for the developer who transplant Android into the embedded system (like a washing machine's control interface), he still needs to understand the Android system libraries, Android runtime environment, and the details of linux kernel. 看有沒有翻得不妥需要修改的地方，thx --

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