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Code Issues Packages Projects Releases Wiki Activity

Fixing Recents sometimes restoring in Clear-all-reveal position.

Browse Source 
This happened if a task was added between openings of Recents.

Bug: 72222505
Test: Manual
Change-Id: Id4cc8e7cbdb493973d329466369b62e4ac8ee0b3
This commit is contained in:
Vadim Tryshev
2018-05-16 14:28:18 -07:00
parent 77bf622c01
commit e628c474ea
2 changed files with 13 additions and 5 deletions
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16
quickstep/src/com/android/quickstep/views/RecentsView.java
View File

@@ -345,14 +345,22 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
private float calculateClearAllButtonAlpha() {
final int childCount = getChildCount();
if (mShowEmptyMessage || childCount == 0) return 0;
if (mShowEmptyMessage || childCount == 0 || mPageScrolls == null
|| childCount != mPageScrolls.length) {
return 0;
}
final int scrollEnd = getScrollEnd();
final int oldestChildScroll = getScrollForPage(childCount - 1);
return Utilities.boundToRange(
((float) (getScrollX() - oldestChildScroll)) /
(scrollEnd - oldestChildScroll), 0, 1);
final int clearAllButtonMotionRange = scrollEnd - oldestChildScroll;
if (clearAllButtonMotionRange == 0) return 0;
final float alphaUnbound = ((float) (getScrollX() - oldestChildScroll)) /
clearAllButtonMotionRange;
if (alphaUnbound > 1) return 0;
return Math.max(alphaUnbound, 0);
}
private void updateClearAllButtonAlpha() {

2
src/com/android/launcher3/PagedView.java
View File

@@ -109,7 +109,7 @@ public abstract class PagedView<T extends View & PageIndicator> extends ViewGrou
private float mLastMotionXRemainder;
private float mTotalMotionX;
private int[] mPageScrolls;
protected int[] mPageScrolls;
protected final static int TOUCH_STATE_REST = 0;
protected final static int TOUCH_STATE_SCROLLING = 1;