Do not use the status bar as the system decor layer if it is not visible.

Doing so leads to cropping of the content view, which is smaller than the
screen size on some devices with improperly configured overscan values. It
can also lead to performance issues with some activity transition
animations on Wear.

Bug: 19928768
Change-Id: Ic50c2fedb1f8be9a8ea5166fef5a5665958601de

1 files changed, 8 insertions, 2 deletions

diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
index 4664aa3..58c2fba 100644
--- a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -3508,8 +3508,14 @@ public class PhoneWindowManager implements WindowManagerPolicy {
     /** {@inheritDoc} */
     @Override
     public int getSystemDecorLayerLw() {
-        if (mStatusBar != null) return mStatusBar.getSurfaceLayer();
-        if (mNavigationBar != null) return mNavigationBar.getSurfaceLayer();
+        if (mStatusBar != null && mStatusBar.isVisibleLw()) {
+            return mStatusBar.getSurfaceLayer();
+        }
+
+        if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
+            return mNavigationBar.getSurfaceLayer();
+        }
+
         return 0;
     }