Merge "Improve "does not support current theme" exception" into lmp-mr1-ub-dev
diff --git a/v7/appcompat/src/android/support/v7/app/AppCompatDelegateImplV7.java b/v7/appcompat/src/android/support/v7/app/AppCompatDelegateImplV7.java
index 2f0d5af..3706972 100644
--- a/v7/appcompat/src/android/support/v7/app/AppCompatDelegateImplV7.java
+++ b/v7/appcompat/src/android/support/v7/app/AppCompatDelegateImplV7.java
@@ -365,7 +365,13 @@
 
             if (mSubDecor == null) {
                 throw new IllegalArgumentException(
-                        "AppCompat does not support the current theme features");
+                        "AppCompat does not support the current theme features: { "
+                                + "windowActionBar: " + mHasActionBar
+                                + ", windowActionBarOverlay: "+ mOverlayActionBar
+                                + ", android:windowIsFloating: " + mIsFloating
+                                + ", windowActionModeOverlay: " + mOverlayActionMode
+                                + ", windowNoTitle: " + mWindowNoTitle
+                                + " }");
             }
 
             if (mDecorContentParent == null) {