diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index d16eab6..0957eb5 100755
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -530,13 +530,13 @@
 
             AttributeCache.Entry ent = AttributeCache.instance().get(packageName,
                     realTheme, com.android.internal.R.styleable.Window, userId);
-            final boolean translucent = ent.array.getBoolean(
+            final boolean translucent = ent != null && (ent.array.getBoolean(
                     com.android.internal.R.styleable.Window_windowIsTranslucent, false)
                     || (!ent.array.hasValue(
                             com.android.internal.R.styleable.Window_windowIsTranslucent)
                             && ent.array.getBoolean(
                                     com.android.internal.R.styleable.Window_windowSwipeToDismiss,
-                                            false));
+                                            false)));
             fullscreen = ent != null && !ent.array.getBoolean(
                     com.android.internal.R.styleable.Window_windowIsFloating, false)
                     && !translucent;