Let the window manager place the rest of the windows on screen when the status bar is at the bottom.

Change-Id: I29c43beee047bb99695a34e6b202ff3f8400c8c2

policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

@@ -1254,10 +1254,17 @@ public class PhoneWindowManager implements WindowManagerPolicy {
             if (mStatusBar.isVisibleLw()) {
                 // If the status bar is hidden, we don't want to cause
                 // windows behind it to scroll.
-                mDockTop = mContentTop = mCurTop = mStatusBar.getFrameLw().bottom;
-                if (DEBUG_LAYOUT) Log.v(TAG, "Status bar: mDockBottom="
-                        + mDockBottom + " mContentBottom="
-                        + mContentBottom + " mCurBottom=" + mCurBottom);
+                final Rect r = mStatusBar.getFrameLw();
+                if (mDockTop == r.top) mDockTop = r.bottom;
+                else if (mDockBottom == r.bottom) mDockBottom = r.top;
+                mContentTop = mCurTop = mDockTop;
+                mContentBottom = mCurBottom = mDockBottom;
+                if (DEBUG_LAYOUT) Log.v(TAG, "Status bar: mDockTop=" + mDockTop
+                        + " mContentTop=" + mContentTop
+                        + " mCurTop=" + mCurTop
+                        + " mDockBottom=" + mDockBottom
+                        + " mContentBottom=" + mContentBottom
+                        + " mCurBottom=" + mCurBottom);
             }
         }
     }

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

@@ -10184,6 +10184,11 @@ public class WindowManagerService extends IWindowManager.Stub
 
     private final void performLayoutAndPlaceSurfacesLockedInner(
             boolean recoveringMemory) {
+        if (mDisplay == null) {
+            Slog.i(TAG, "skipping performLayoutAndPlaceSurfacesLockedInner with no mDisplay");
+            return;
+        }
+
         final long currentTime = SystemClock.uptimeMillis();
         final int dw = mDisplay.getWidth();
         final int dh = mDisplay.getHeight();