1. Responsibilities of WMS

1.1 Window Management

  • DisplayContent
  • WindowToken
  • WindowState

1.2 Window Animation

  • WindowAnimator

1.3 Transfer station of input system

  • InputManagerService (IMS)

1.4 Surface management

  • SurfaceFlinger

2. WMS creation process

The WMS is created in the SystemServer process.

3. An important member of WMS

4. Window adding process (WMS processing part)

5. Delete Windows