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Commit 8e4efdb6 authored by Linus Tufvesson's avatar Linus Tufvesson
Browse files

Exclude TYPE_PRIVATE_PRESENTATION app visiblity 

These windows can only be placed on private virtual displays, and as
such they should not be considered when deciding if an application has
any visible windows or not.

Bug:205130886
Test:Manually verified that sample from 205130886 no longer allows
background activity launches
Test: atest CtsActivityManagerBackgroundActivityTestCases

Change-Id: I76208722bbb7a407ba1f2dc4305a28226166414d
parent 544739c6

services/core/java/com/android/server/wm/WindowState.java

+4 −1
Original line number Diff line number Diff line
@@ -3409,7 +3409,10 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP 
        }

        // Exclude toast because legacy apps may show toast window by themselves, so the misused

        // apps won't always be considered as foreground state.

        if (mAttrs.type >= FIRST_SYSTEM_WINDOW && mAttrs.type != TYPE_TOAST) {

        // Exclude private presentations as they can only be shown on private virtual displays and

        // shouldn't be the cause of an app be considered foreground.

        if (mAttrs.type >= FIRST_SYSTEM_WINDOW && mAttrs.type != TYPE_TOAST

                && mAttrs.type != TYPE_PRIVATE_PRESENTATION) {

            mWmService.mAtmService.mActiveUids.onNonAppSurfaceVisibilityChanged(mOwnerUid, shown);

        }

    }