am 30d86e51: Merge change 7124 into donut

Merge commit '30d86e5143d01815763f8c28b0fc72b0493ea9f8'

* commit '30d86e5143d01815763f8c28b0fc72b0493ea9f8':
  Fixes #1977685. Prevent crash when the soft keyboard is brought up.

1 files changed, 9 insertions, 0 deletions

diff --git a/core/java/android/view/ViewRoot.java b/core/java/android/view/ViewRoot.java
index 57768515ad48..1e3cdb34f436 100644
--- a/core/java/android/view/ViewRoot.java
+++ b/core/java/android/view/ViewRoot.java
@@ -1374,6 +1374,15 @@ public final class ViewRoot extends Handler implements ViewParent,
             // is non-null and we just want to scroll to whatever that
             // rectangle is).
             View focus = mRealFocusedView;
+
+            // When in touch mode, focus points to the previously focused view,
+            // which may have been removed from the view hierarchy. The following
+            // line checks whether the view is still in the hierarchy
+            if (focus == null || focus.getParent() == null) {
+                mRealFocusedView = null;
+                return false;
+            }
+
             if (focus != mLastScrolledFocus) {
                 // If the focus has changed, then ignore any requests to scroll
                 // to a rectangle; first we want to make sure the entire focus