am 3d517a70: am 62b780e8: Avoid creating futures for drawables with no constant state

* commit '3d517a701cb583f59ed8deefd21ab854c3890065':
  Avoid creating futures for drawables with no constant state

1 files changed, 8 insertions, 1 deletions

diff --git a/graphics/java/android/graphics/drawable/DrawableContainer.java b/graphics/java/android/graphics/drawable/DrawableContainer.java
index 1e360d3..3fe408a 100644
--- a/graphics/java/android/graphics/drawable/DrawableContainer.java
+++ b/graphics/java/android/graphics/drawable/DrawableContainer.java
@@ -714,10 +714,17 @@ public class DrawableContainer extends Drawable implements Drawable.Callback {
                     mDrawableFutures = new SparseArray<ConstantStateFuture>(mNumChildren);
                 }
 
+                // Create futures for drawables with constant states. If a
+                // drawable doesn't have a constant state, then we can't clone
+                // it and we'll have to reference the original.
                 final int N = mNumChildren;
                 for (int i = 0; i < N; i++) {
                     if (origDr[i] != null) {
-                        mDrawableFutures.put(i, new ConstantStateFuture(origDr[i]));
+                        if (origDr[i].getConstantState() != null) {
+                            mDrawableFutures.put(i, new ConstantStateFuture(origDr[i]));
+                        } else {
+                            mDrawables[i] = origDr[i];
+                        }
                     }
                 }
             } else {