diff --git a/tools/layoutlib/bridge/src/android/view/LayoutInflater_Delegate.java b/tools/layoutlib/bridge/src/android/view/LayoutInflater_Delegate.java
index d5266a5..ea7242c 100644
--- a/tools/layoutlib/bridge/src/android/view/LayoutInflater_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/view/LayoutInflater_Delegate.java
@@ -43,6 +43,8 @@
  */
 public class LayoutInflater_Delegate {
 
+    public static boolean sIsInInclude = false;
+
     @LayoutlibDelegate
     /*package*/ static void parseInclude(LayoutInflater thisInflater,
             XmlPullParser parser, View parent, AttributeSet attrs)
@@ -109,10 +111,22 @@
                         // false means we need to rely on the included layout params.
                         ViewGroup.LayoutParams params = null;
                         try {
+                            // ---- START CHANGES
+                            sIsInInclude = true;
+                            // ---- END CHANGES
+
                             params = group.generateLayoutParams(attrs);
                         } catch (RuntimeException e) {
+                            // ---- START CHANGES
+                            sIsInInclude = false;
+                            // ---- END CHANGES
+
                             params = group.generateLayoutParams(childAttrs);
                         } finally {
+                            // ---- START CHANGES
+                            sIsInInclude = false;
+                            // ---- END CHANGES
+
                             if (params != null) {
                                 view.setLayoutParams(params);
                             }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeTypedArray.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeTypedArray.java
index b9f769f..d5ca2fd 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeTypedArray.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeTypedArray.java
@@ -36,6 +36,7 @@
 import android.graphics.drawable.Drawable;
 import android.util.DisplayMetrics;
 import android.util.TypedValue;
+import android.view.LayoutInflater_Delegate;
 import android.view.ViewGroup.LayoutParams;
 
 import java.io.File;
@@ -471,40 +472,23 @@
      */
     @Override
     public int getDimensionPixelSize(int index, int defValue) {
-        if (mResourceData[index] == null) {
+        try {
+            return getDimension(index);
+        } catch (RuntimeException e) {
+            if (mResourceData[index] != null) {
+                String s = mResourceData[index].getValue();
+
+                if (s != null) {
+                    // looks like we were unable to resolve the dimension value
+                    Bridge.getLog().warning(LayoutLog.TAG_RESOURCES_FORMAT,
+                            String.format(
+                                "\"%1$s\" in attribute \"%2$s\" is not a valid format.",
+                                s, mNames[index]), null /*data*/);
+                }
+            }
+
             return defValue;
         }
-
-        String s = mResourceData[index].getValue();
-
-        if (s == null) {
-            return defValue;
-        } else if (s.equals(BridgeConstants.MATCH_PARENT) ||
-                s.equals(BridgeConstants.FILL_PARENT)) {
-            return LayoutParams.MATCH_PARENT;
-        } else if (s.equals(BridgeConstants.WRAP_CONTENT)) {
-            return LayoutParams.WRAP_CONTENT;
-        } else if (RenderResources.REFERENCE_NULL.equals(s)) {
-            return defValue;
-        }
-
-        if (ResourceHelper.stringToFloat(s, mValue)) {
-            float f = mValue.getDimension(mBridgeResources.mMetrics);
-
-            final int res = (int)(f+0.5f);
-            if (res != 0) return res;
-            if (f == 0) return 0;
-            if (f > 0) return 1;
-            return defValue; // this is basically unreachable.
-        }
-
-        // looks like we were unable to resolve the dimension value
-        Bridge.getLog().warning(LayoutLog.TAG_RESOURCES_FORMAT,
-                String.format(
-                    "\"%1$s\" in attribute \"%2$s\" is not a valid format.",
-                    s, mNames[index]), null /*data*/);
-
-        return defValue;
     }
 
     /**
@@ -521,7 +505,20 @@
      */
     @Override
     public int getLayoutDimension(int index, String name) {
-        return getDimensionPixelSize(index, 0);
+        try {
+            // this will throw an exception
+            return getDimension(index);
+        } catch (RuntimeException e) {
+
+            if (LayoutInflater_Delegate.sIsInInclude) {
+                throw new RuntimeException();
+            }
+
+            Bridge.getLog().warning(LayoutLog.TAG_RESOURCES_FORMAT,
+                    "You must supply a " + name + " attribute.", null);
+
+            return 0;
+        }
     }
 
     @Override
@@ -529,6 +526,36 @@
         return getDimensionPixelSize(index, defValue);
     }
 
+    private int getDimension(int index) {
+        if (mResourceData[index] == null) {
+            throw new RuntimeException();
+        }
+
+        String s = mResourceData[index].getValue();
+
+        if (s == null) {
+            throw new RuntimeException();
+        } else if (s.equals(BridgeConstants.MATCH_PARENT) ||
+                s.equals(BridgeConstants.FILL_PARENT)) {
+            return LayoutParams.MATCH_PARENT;
+        } else if (s.equals(BridgeConstants.WRAP_CONTENT)) {
+            return LayoutParams.WRAP_CONTENT;
+        } else if (RenderResources.REFERENCE_NULL.equals(s)) {
+            throw new RuntimeException();
+        }
+
+        if (ResourceHelper.stringToFloat(s, mValue)) {
+            float f = mValue.getDimension(mBridgeResources.mMetrics);
+
+            final int res = (int)(f+0.5f);
+            if (res != 0) return res;
+            if (f == 0) return 0;
+            if (f > 0) return 1;
+        }
+
+        throw new RuntimeException();
+    }
+
     /**
      * Retrieve a fractional unit attribute at <var>index</var>.
      *
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
index 4b62e43..708d8b5 100644
--- a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
@@ -102,7 +102,6 @@
         "android.view.LayoutInflater#parseInclude",
         "android.view.View#isInEditMode",
         "com.android.internal.util.XmlUtils#convertValueToInt",
-        // TODO: comment out once DelegateClass is working
     };
 
     /**