Add accessibility scroll support to some widgets.

1. Added support for accessibility scroll action to
   some widgets that are scrollable.

2. Making the super call when handling an accessibility
   action in the views to call super first to allow
   an accessibility delegate to intercept the call.

bug:5932640

Change-Id: I5eb37d64bf9fba1d5c596981132e0df717e2a18a

1 files changed, 4 insertions, 1 deletions

diff --git a/core/java/android/widget/ScrollView.java b/core/java/android/widget/ScrollView.java
index b398ce4..a499743 100644
--- a/core/java/android/widget/ScrollView.java
+++ b/core/java/android/widget/ScrollView.java
@@ -742,6 +742,9 @@ public class ScrollView extends FrameLayout {
 
     @Override
     public boolean performAccessibilityAction(int action, Bundle arguments) {
+        if (super.performAccessibilityAction(action, arguments)) {
+            return true;
+        }
         switch (action) {
             case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
                 final int viewportHeight = getHeight() - mPaddingBottom - mPaddingTop;
@@ -760,7 +763,7 @@ public class ScrollView extends FrameLayout {
                 }
             } return false;
         }
-        return super.performAccessibilityAction(action, arguments);
+        return false;
     }
 
     @Override