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Commit ccab4f5c authored by Likai Ding's avatar Likai Ding
Browse files

Gallery: fix white screen after rapid scrolling 

If edge is reached when velocity is high, distance may be a large
negative value, causing very long animation duration. Fix it by checking
absolute value.

Change-Id: I71039a9ddd76f25c75582da4098cb091148cafba
CRs-Fixed: 1022927
parent b7f0f7f0

gallerycommon/src/com/android/gallery3d/common/OverScroller.java

+1 −1
Original line number Diff line number Diff line
@@ -855,7 +855,7 @@ public class OverScroller { 
            float distance = mVelocity * mVelocity / (2.0f * Math.abs(mDeceleration));

            final float sign = Math.signum(mVelocity);



            if (distance > mOver) {

            if (Math.abs(distance) > mOver) {

                // Default deceleration is not sufficient to slow us down before boundary

                 mDeceleration = - sign * mVelocity * mVelocity / (2.0f * mOver);

                 distance = mOver;