Merge "Fix a bug where requestDisallowInterceptTouchEvent does not get called when scrolling is resumed after stopping a fling." into gingerbread

2 files changed, 10 insertions, 1 deletions

diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index eca583f..e7b6c50 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -223,8 +223,9 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
 
     /**
      * When set, this ViewGroup should not intercept touch events.
+     * {@hide}
      */
-    private static final int FLAG_DISALLOW_INTERCEPT = 0x80000;
+    protected static final int FLAG_DISALLOW_INTERCEPT = 0x80000;
 
     /**
      * Indicates which types of drawing caches are to be kept in memory.
diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index fcfecb3..6cfeb68 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -2056,6 +2056,14 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
                 }
 
                 if (y != mLastY) {
+                    // We may be here after stopping a fling and continuing to scroll.
+                    // If so, we haven't disallowed intercepting touch events yet.
+                    // Make sure that we do so in case we're in a parent that can intercept.
+                    if ((mGroupFlags & FLAG_DISALLOW_INTERCEPT) == 0 &&
+                            Math.abs(deltaY) > mTouchSlop) {
+                        requestDisallowInterceptTouchEvent(true);
+                    }
+
                     deltaY -= mMotionCorrection;
                     int incrementalDeltaY = mLastY != Integer.MIN_VALUE ? y - mLastY : deltaY;