commit f0084673d0d7518e246241ffb99737ddf036e64f
author Aga Madurska <amad@google.com> Thu Sep 22 13:50:02 2016 +0100
committer Aga Madurska <amad@google.com> Thu Sep 22 13:51:50 2016 +0100
tree 8e5d580eaf21596447c9d5fa1ec32985c0fd2957
parent ae1b0bdaae9e716a2292055458eb178fa52398c2

Correctly account for negative fling directions.

Bug:31640199

Change-Id: I31376cc42a2f4faa95ec16cbfba64e4a2a50ee7e

v7/recyclerview/src/android/support/v7/widget/LinearSnapHelper.java

diff --git a/v7/recyclerview/src/android/support/v7/widget/LinearSnapHelper.java b/v7/recyclerview/src/android/support/v7/widget/LinearSnapHelper.java
index 4b37c68..9e262db 100644
--- a/v7/recyclerview/src/android/support/v7/widget/LinearSnapHelper.java
+++ b/v7/recyclerview/src/android/support/v7/widget/LinearSnapHelper.java
@@ -170,7 +170,11 @@
         }
         int distance =
                 Math.abs(distances[0]) > Math.abs(distances[1]) ? distances[0] : distances[1];
-        return (int) Math.floor(distance / distancePerChild);
+        if (distance > 0) {
+            return (int) Math.floor(distance / distancePerChild);
+        } else {
+            return (int) Math.ceil(distance / distancePerChild);
+        }
     }
 
     /**