commit dff0de4730bacfd8174e574a6c3a8cabdc7d9eb6
author Jon Miranda <jonmiranda@google.com> Fri Aug 30 18:42:01 2019 -0700
committer Jon Miranda <jonmiranda@google.com> Wed Sep 04 13:03:18 2019 -0700
tree 66df90a514e04a3dcd91bf1f630f3c0b83470a99
parent 3651a3dfbe3b0f2f103d574f6235171cfd77eb07

Update app open/close animations.

- For app open, the icon text remains where it is and only the icon moves.
- Similarly for app close, the icon text remains where it is and fades in
  with the rest of the other icons text.

- With this change, the original view is always "VISIBLE"
  (if BubbleTextView/FolderIcon) but we hide certain elements.

Added video to bug.

Bug: 137200188
Bug: 139885365
Change-Id: I3d20c5f05bc7c0b9d052d8074ac3bfc21531c83d

src/com/android/launcher3/FastBitmapDrawable.java

diff --git a/src/com/android/launcher3/FastBitmapDrawable.java b/src/com/android/launcher3/FastBitmapDrawable.java
index 7ab88a0..a90025e 100644
--- a/src/com/android/launcher3/FastBitmapDrawable.java
+++ b/src/com/android/launcher3/FastBitmapDrawable.java
@@ -142,8 +142,11 @@
 
     @Override
     public void setAlpha(int alpha) {
-        mAlpha = alpha;
-        mPaint.setAlpha(alpha);
+        if (mAlpha != alpha) {
+            mAlpha = alpha;
+            mPaint.setAlpha(alpha);
+            invalidateSelf();
+        }
     }
 
     @Override