Keyguard sanity checks for when layout is not yet complete

Bug 7470163

Change-Id: I1e5f860ab39633f6c5e2046f6f18424227842406

1 files changed, 8 insertions, 0 deletions

diff --git a/policy/src/com/android/internal/policy/impl/keyguard/SlidingChallengeLayout.java b/policy/src/com/android/internal/policy/impl/keyguard/SlidingChallengeLayout.java
index f98ba352f546..7a71d8c37a66 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/SlidingChallengeLayout.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/SlidingChallengeLayout.java
@@ -485,6 +485,14 @@ public class SlidingChallengeLayout extends ViewGroup implements ChallengeLayout
             return;
         }
         mChallengeShowing = showChallenge;
+
+        if (mExpandChallengeView == null || mChallengeView == null) {
+            // These might not be here yet if we haven't been through layout.
+            // If we haven't, the first layout pass will set everything up correctly
+            // based on mChallengeShowing as set above.
+            return;
+        }
+
         if (mChallengeShowing) {
             mExpandChallengeView.setVisibility(View.INVISIBLE);
             mChallengeView.setVisibility(View.VISIBLE);