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Commit 0e60db22 authored by Dianne Hackborn's avatar Dianne Hackborn
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Fix issue #4974633: Block the HOME button using TYPE_KEYGUARD 

Applications shouldn't be able to change their window type after
the window is added to the window manager.

Change-Id: Iac63da65f96fb30683f68f8d89c3fd29199a750c
parent 1434ab98

services/java/com/android/server/wm/WindowManagerService.java

+4 −0
Original line number Diff line number Diff line
@@ -2498,6 +2498,10 @@ public class WindowManagerService extends IWindowManager.Stub 
            int attrChanges = 0;

            int flagChanges = 0;

            if (attrs != null) {

                if (win.mAttrs.type != attrs.type) {

                    throw new IllegalArgumentException(

                            "Window type can not be changed after the window is added.");

                }

                flagChanges = win.mAttrs.flags ^= attrs.flags;

                attrChanges = win.mAttrs.copyFrom(attrs);

            }