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Commit 86fa49a4 authored by lijilou's avatar lijilou Committed by Chris Li
Browse files

Stop watching for system property changes when all view is removed. 

Bug: none
Flag: EXEMPT minor optimization
(cherry picked from https://android-review.googlesource.com/q/commit:69bad058fd2d205c2595a017262839fa36ab3f63)
Merged-In: I2761cb9e6126240386c2dc24e8886d59b6fa0891
Change-Id: Ibc3d77da38f29a072e35c9301569026524b141e3
parent f24b2e90

core/java/android/view/WindowManagerGlobal.java

+8 −1
Original line number Diff line number Diff line
@@ -597,7 +597,7 @@ public final class WindowManagerGlobal { 
    }



    void doRemoveView(ViewRootImpl root) {

        boolean allViewsRemoved;

        final boolean allViewsRemoved;

        synchronized (mLock) {

            final int index = mRoots.indexOf(root);

            if (index >= 0) {
@@ -608,6 +608,13 @@ public final class WindowManagerGlobal { 
            }

            allViewsRemoved = mRoots.isEmpty();

            mWindowViewsListenerGroup.accept(getWindowViews());



            // If we don't have any views anymore in our process, stop watching

            // for system property changes.

            if (allViewsRemoved && mSystemPropertyUpdater != null) {

                SystemProperties.removeChangeCallback(mSystemPropertyUpdater);

                mSystemPropertyUpdater = null;

            }

        }



        // If we don't have any views anymore in our process, we no longer need the