From a0d645cb6980113a624e6e70a7fa9ae5e91bbac8 Mon Sep 17 00:00:00 2001
From: Adam Powell <adamp@google.com>
Date: Wed, 31 Mar 2010 17:27:49 -0700
Subject: [PATCH] Fix bug 2562240 and clean up scrollbar behavior

Change-Id: I551803a1c997c9d10e1d004ce14472af6090f432
---
 core/java/android/widget/AbsListView.java          | 11 ++---------
 core/java/android/widget/HorizontalScrollView.java |  1 +
 core/java/android/widget/ScrollView.java           |  1 +
 3 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 8ef2aebffd4a9..66461a7f51d1d 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -2483,16 +2483,9 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
                     delta = Math.max(-(getHeight() - mPaddingBottom - mPaddingTop - 1), delta);
                 }
 
-                // Check to see if we have bumped into the scroll limit
-                View motionView = getChildAt(mMotionPosition - mFirstPosition);
-                int oldTop = 0;
-                if (motionView != null) {
-                    oldTop = motionView.getTop();
-                }
+                final boolean atEnd = trackMotionScroll(delta, delta);
 
-                trackMotionScroll(delta, delta);
-
-                if (more) {
+                if (more && !atEnd) {
                     invalidate();
                     mLastFlingY = y;
                     post(this);
diff --git a/core/java/android/widget/HorizontalScrollView.java b/core/java/android/widget/HorizontalScrollView.java
index 20c2fe444a6d9..32a91464f4bee 100644
--- a/core/java/android/widget/HorizontalScrollView.java
+++ b/core/java/android/widget/HorizontalScrollView.java
@@ -1022,6 +1022,7 @@ public class HorizontalScrollView extends FrameLayout {
                     onScrollChanged(x, y, oldX, oldY);
                 }
             }
+            awakenScrollBars();
 
             // Keep on drawing until the animation has finished.
             postInvalidate();
diff --git a/core/java/android/widget/ScrollView.java b/core/java/android/widget/ScrollView.java
index a02aa00eb718e..873dc67ec6514 100644
--- a/core/java/android/widget/ScrollView.java
+++ b/core/java/android/widget/ScrollView.java
@@ -1023,6 +1023,7 @@ public class ScrollView extends FrameLayout {
                     onScrollChanged(x, y, oldX, oldY);
                 }
             }
+            awakenScrollBars();
 
             // Keep on drawing until the animation has finished.
             postInvalidate();