Adding widget auto-advance capability

Change-Id: I058573f40a48fd7b5c2efa5f1041a1199919a51a

1 files changed, 3 insertions, 0 deletions

diff --git a/core/java/android/widget/StackView.java b/core/java/android/widget/StackView.java
index a27e1cc52b1c..01044d952211 100644
--- a/core/java/android/widget/StackView.java
+++ b/core/java/android/widget/StackView.java
@@ -674,6 +674,8 @@ public class StackView extends AdapterViewAnimator {
             r = Math.max(0, r);
 
             mYProgress = r;
+            if (mView == null) return;
+
             final LayoutParams viewLp = (LayoutParams) mView.getLayoutParams();
             final LayoutParams highlightLp = (LayoutParams) mHighlight.getLayoutParams();
 
@@ -722,6 +724,7 @@ public class StackView extends AdapterViewAnimator {
 
             mXProgress = r;
 
+            if (mView == null) return;
             final LayoutParams viewLp = (LayoutParams) mView.getLayoutParams();
             final LayoutParams highlightLp = (LayoutParams) mHighlight.getLayoutParams();