Android ActivityManager 与 WindowManager

发布于 2025-01-04 17:22:59 字数 177 浏览 0 评论 0原文

有人可以在下面详细解释一下吗

1- What is the use of ActivityManager & WindowManager?
2- What is the difference between ActivityManager & WindowManager?

原文

Can someone please explain below in detail,

1- What is the use of ActivityManager & WindowManager?
2- What is the difference between ActivityManager & WindowManager?

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顾冷 2025-01-11 17:22:59

窗口管理器：- 它负责组织屏幕。它分配表面并决定它们（应用程序）的去向以及它们如何分层。在为所有应用程序创建表面时，它们直接绘制到表面中，而无需通过窗口管理器。

活动管理器：- 使用活动管理器，Android 系统管理一系列处于不同状态（启动、运行、暂停、停止、销毁）的活动。

关于活动、窗户和表面的一些基本知识。

-An activity has one or more windows (e.g. dialogs)
-A window has one or more surfaces (e.g. surface views)
-However, in window manager, a window is called a session
-A surface is called a window
-And an activity becomes roughly a token

用于获取有关应用程序关键概念、活动和资源的信息检查此链接

Window Manager :- It is responsible for organizing the screen. It allocates surface and decide where they(Applications) go and how they are layered. At create surface for all the applications and they draw directly into the surface without going through the Window Manager.

Activity Manager:- Using the Activity Manager, the Android System manages a stack of activities which are in different states (starting, running, paused, stopped, destroyed).

Some basic things regarding activitys, windows and surfaces.

-An activity has one or more windows (e.g. dialogs)
-A window has one or more surfaces (e.g. surface views)
-However, in window manager, a window is called a session
-A surface is called a window
-And an activity becomes roughly a token

for getting information regarding Applications key concepts, activities and resources check this link

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