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Fix bug with snapping during scrolling

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Bug # 4490518

Change-Id: I1bf1954bc319d18aef45eebfd48b46f4ff0a9038
This commit is contained in:
Michael Jurka
2011-06-07 20:09:16 -07:00
parent f8e0c76e03
commit 20b7ca91b2
1 changed files with 3 additions and 3 deletions
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6
src/com/android/launcher2/PagedView.java
View File

@@ -1270,7 +1270,7 @@ public abstract class PagedView extends ViewGroup {
// snap duration. This is a function of the actual distance that needs to be traveled;
// we keep this value close to half screen size in order to reduce the variance in snap
// duration as a function of the distance the page needs to travel.
float distanceRatio = 1.0f * Math.abs(delta) / 2 * halfScreenSize;
float distanceRatio = Math.min(1f, 1.0f * Math.abs(delta) / (2 * halfScreenSize));
float distance = halfScreenSize + halfScreenSize *
distanceInfluenceForSnapDuration(distanceRatio);
@@ -1279,8 +1279,8 @@ public abstract class PagedView extends ViewGroup {
// we want the page's snap velocity to approximately match the velocity at which the
// user flings, so we scale the duration by a value near to the derivative of the scroll
// interpolator at zero, ie. 5. We use 6 to make it a little slower.
duration = 6 * Math.round(1000 * Math.abs(distance / velocity));
// interpolator at zero, ie. 5. We use 4 to make it a little slower.
duration = 4 * Math.round(1000 * Math.abs(distance / velocity));
snapToPage(whichPage, delta, duration);
}