Windowmanagerservice

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layout: post title: “2019-02-28-WindowManagerService” date: 2019-02-28 12:11:30 +0800

1. 功能

管理windowmanager,进行App屏幕展示工作

1. 流程

WindowManagerService运行在SystemServer进程中,负责接收App的绘制请求. App初始化后打开Activity.Activity会创建Window和WindowManager. Window承载ViewRootImpl(View树)内容.WindowManager管理Window. WindowManagerService获取IBinder获取Window内容,将其放置在Surface上, 由SurfaceFlinger组织排列顺序后展示到屏幕上.

• 在markdown中添加流程图

https://github.com/knsv/mermaid

• 参考文档

https://blog.csdn.net/wf_fln/article/details/78593080

https://blog.csdn.net/freekiteyu/article/details/79408969

https://www.jianshu.com/p/5e2efbaa2949