Android R AM与WM结构图

WindowContainer<E extends WindowContainer>

DisplayArea.Tokens extends DisplayArea<WindowToken>

RootActivityContainer

TaskRecord

TaskDisplayArea extends DisplayArea<ActivityStack>

DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowContainer>

ActivityRecord

ActivityDisplay

ConfigurationContainerListener

+void onRequestedOverrideConfigurationChanged()+void onMergedOverrideConfigurationChanged()

ConfigurationContainer<E extends ConfigurationContainer>

-ArrayList<ConfigurationContainerListener> mChangeListeners

+void onConfigurationChanged()+void onRequestedOverrideConfigurationChanged()+void onMergedOverrideConfigurationChanged()+void registerConfigurationChangeListener()+void unregisterConfigurationChangeListener()

WindowManagerPolicy.DisplayContentInfo

#DisplayRotation getDisplayRotation()#Display getDisplay()

WallpaperWindowToken

DisplayArea.Root extends DisplayArea<DisplayArea>

Task extends WindowContainer<WindowContainer>

结构层次从左往右 --->

ProcessRecord

WindowContainers extends DisplayChildWindowContainer<WindowContainer>

AppWindowToken

DisplayContent.DisplayChildWindowContainer<E extends WindowContainer>

DisplayArea<T extends WindowContainer> extends WindowContainer<T>

RootWindowContainer extends WindowContainer<DisplayContent>

WindowProcessController

WindowManagerPolicy.WindowState

DisplayContent.ImeContainer

WindowToken extends WindowContainer<WindowState>

WindowState extends WindowContainer<WindowState>

DisplayManager.DisplayListener

#void onDisplayAdded()#void onDisplayRemoved()#void onDisplayChanged()

NonAppWindowContainers extends DisplayChildWindowContainer<WindowToken>

ActivityStack