Remove overzealous mutate() sanity check in LayerDrawable
Child drawables of a LayerDrawable should be able to mutate() as a
no-op even if they !canConstantState.
Bug 7622311
Change-Id: I32c00961310f23aaf9ad868c419cbefb9d27a1d2
diff --git a/graphics/java/android/graphics/drawable/LayerDrawable.java b/graphics/java/android/graphics/drawable/LayerDrawable.java
index 0351b71..dd692c6 100644
--- a/graphics/java/android/graphics/drawable/LayerDrawable.java
+++ b/graphics/java/android/graphics/drawable/LayerDrawable.java
@@ -575,10 +575,6 @@
@Override
public Drawable mutate() {
if (!mMutated && super.mutate() == this) {
- if (!mLayerState.canConstantState()) {
- throw new IllegalStateException("One or more children of this LayerDrawable does " +
- "not have constant state; this drawable cannot be mutated.");
- }
mLayerState = new LayerState(mLayerState, this, null);
final ChildDrawable[] array = mLayerState.mChildren;
final int N = mLayerState.mNum;