diff --git a/core/java/android/content/res/Resources.java b/core/java/android/content/res/Resources.java
index 6e9efe1..0145e05 100644
--- a/core/java/android/content/res/Resources.java
+++ b/core/java/android/content/res/Resources.java
@@ -18,6 +18,7 @@
 
 import android.animation.Animator;
 import android.animation.StateListAnimator;
+import android.annotation.NonNull;
 import android.util.Pools.SynchronizedPool;
 import android.view.ViewDebug;
 import com.android.internal.util.XmlUtils;
@@ -1548,20 +1549,21 @@
          * contents of the typed array are ultimately filled in by
          * {@link Resources#getValue}.
          *
-         * @param values The base set of attribute values, must be equal
-         *               in length to {@code attrs} or {@code null}. All values
-         *               must be of type {@link TypedValue#TYPE_ATTRIBUTE}.
+         * @param values The base set of attribute values, must be equal in
+         *               length to {@code attrs}. All values must be of type
+         *               {@link TypedValue#TYPE_ATTRIBUTE}.
          * @param attrs The desired attributes to be retrieved.
          * @return Returns a TypedArray holding an array of the attribute
          *         values. Be sure to call {@link TypedArray#recycle()}
          *         when done with it.
          * @hide
          */
-        public TypedArray resolveAttributes(int[] values, int[] attrs) {
+        @NonNull
+        public TypedArray resolveAttributes(@NonNull int[] values, @NonNull int[] attrs) {
             final int len = attrs.length;
-            if (values != null && len != values.length) {
+            if (values == null || len != values.length) {
                 throw new IllegalArgumentException(
-                        "Base attribute values must be null or the same length as attrs");
+                        "Base attribute values must the same length as attrs");
             }
 
             final TypedArray array = TypedArray.obtain(Resources.this, len);
diff --git a/graphics/java/android/graphics/drawable/AnimatedStateListDrawable.java b/graphics/java/android/graphics/drawable/AnimatedStateListDrawable.java
index 3b125fd..5a3a617 100644
--- a/graphics/java/android/graphics/drawable/AnimatedStateListDrawable.java
+++ b/graphics/java/android/graphics/drawable/AnimatedStateListDrawable.java
@@ -361,7 +361,7 @@
         super.applyTheme(theme);
 
         final AnimatedStateListState state = mState;
-        if (state == null || !state.canApplyTheme()) {
+        if (state == null || state.mAnimThemeAttrs == null) {
             return;
         }
 
diff --git a/graphics/java/android/graphics/drawable/ClipDrawable.java b/graphics/java/android/graphics/drawable/ClipDrawable.java
index f80a5f4..e5b2b76 100644
--- a/graphics/java/android/graphics/drawable/ClipDrawable.java
+++ b/graphics/java/android/graphics/drawable/ClipDrawable.java
@@ -148,7 +148,7 @@
         super.applyTheme(t);
 
         final ClipState state = mState;
-        if (state == null) {
+        if (state == null || state.mThemeAttrs == null) {
             return;
         }
 
diff --git a/graphics/java/android/graphics/drawable/RotateDrawable.java b/graphics/java/android/graphics/drawable/RotateDrawable.java
index 9208a0a..3304b33 100644
--- a/graphics/java/android/graphics/drawable/RotateDrawable.java
+++ b/graphics/java/android/graphics/drawable/RotateDrawable.java
@@ -427,19 +427,22 @@
             return;
         }
 
-        final TypedArray a = t.resolveAttributes(state.mThemeAttrs, R.styleable.RotateDrawable);
-        try {
-            updateStateFromTypedArray(a);
-            verifyRequiredAttributes(a);
-        } catch (XmlPullParserException e) {
-            throw new RuntimeException(e);
-        } finally {
-            a.recycle();
+        if (state.mThemeAttrs != null) {
+            final TypedArray a = t.resolveAttributes(state.mThemeAttrs, R.styleable.RotateDrawable);
+            try {
+                updateStateFromTypedArray(a);
+                verifyRequiredAttributes(a);
+            } catch (XmlPullParserException e) {
+                throw new RuntimeException(e);
+            } finally {
+                a.recycle();
+            }
         }
 
         if (state.mDrawable != null && state.mDrawable.canApplyTheme()) {
             state.mDrawable.applyTheme(t);
         }
+
     }
 
     private void inflateChildElements(Resources r, XmlPullParser parser, AttributeSet attrs,
diff --git a/graphics/java/android/graphics/drawable/ScaleDrawable.java b/graphics/java/android/graphics/drawable/ScaleDrawable.java
index fbe38b4..35ef76f 100644
--- a/graphics/java/android/graphics/drawable/ScaleDrawable.java
+++ b/graphics/java/android/graphics/drawable/ScaleDrawable.java
@@ -114,7 +114,7 @@
             return;
         }
 
-        if (state.mThemeAttrs == null) {
+        if (state.mThemeAttrs != null) {
             final TypedArray a = t.resolveAttributes(state.mThemeAttrs, R.styleable.ScaleDrawable);
             try {
                 updateStateFromTypedArray(a);