diff --git a/bridge/src/com/android/layoutlib/bridge/BridgeRenderSession.java b/bridge/src/com/android/layoutlib/bridge/BridgeRenderSession.java
index 308488a..e0d8249 100644
--- a/bridge/src/com/android/layoutlib/bridge/BridgeRenderSession.java
+++ b/bridge/src/com/android/layoutlib/bridge/BridgeRenderSession.java
@@ -24,6 +24,7 @@
 import com.android.ide.common.rendering.api.ViewInfo;
 import com.android.layoutlib.bridge.impl.RenderSessionImpl;
 import com.android.tools.layoutlib.java.System_Delegate;
+import com.android.util.PropertiesMap;
 
 import android.view.View;
 import android.view.ViewGroup;
@@ -70,6 +71,11 @@
     }
 
     @Override
+    public Map<Object, PropertiesMap> getDefaultProperties() {
+        return mSession.getDefaultProperties();
+    }
+
+    @Override
     public Result render(long timeout, boolean forceMeasure) {
         try {
             Bridge.prepareThread();
@@ -196,10 +202,6 @@
         }
     }
 
-    public RenderSessionImpl getSessionImpl() {
-        return mSession;
-    }
-
     /*package*/ BridgeRenderSession(RenderSessionImpl scene, Result lastResult) {
         mSession = scene;
         if (scene != null) {
diff --git a/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java b/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
index fd95bd5..80e230c 100644
--- a/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
+++ b/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
@@ -27,12 +27,13 @@
 import com.android.ide.common.rendering.api.StyleResourceValue;
 import com.android.layoutlib.bridge.Bridge;
 import com.android.layoutlib.bridge.BridgeConstants;
-import com.android.layoutlib.bridge.android.PropertiesMap.Property;
 import com.android.layoutlib.bridge.android.view.WindowManagerImpl;
 import com.android.layoutlib.bridge.impl.ParserFactory;
 import com.android.layoutlib.bridge.impl.Stack;
 import com.android.resources.ResourceType;
 import com.android.util.Pair;
+import com.android.util.PropertiesMap;
+import com.android.util.PropertiesMap.Property;
 
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
@@ -153,7 +154,6 @@
     private IBinder mBinder;
     private PackageManager mPackageManager;
 
-
     /**
      * Some applications that target both pre API 17 and post API 17, set the newer attrs to
      * reference the older ones. For example, android:paddingStart will resolve to
@@ -276,8 +276,8 @@
         return mRenderResources;
     }
 
-    public PropertiesMap getDefaultPropMap(Object key) {
-        return mDefaultPropMaps.get(key);
+    public Map<Object, PropertiesMap> getDefaultProperties() {
+        return mDefaultPropMaps;
     }
 
     public Configuration getConfiguration() {
@@ -1862,7 +1862,6 @@
         return false;
     }
 
-
     /**
      * The cached value depends on
      * <ol>
diff --git a/bridge/src/com/android/layoutlib/bridge/android/PropertiesMap.java b/bridge/src/com/android/layoutlib/bridge/android/PropertiesMap.java
deleted file mode 100644
index a38d579..0000000
--- a/bridge/src/com/android/layoutlib/bridge/android/PropertiesMap.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.layoutlib.bridge.android;
-
-import com.android.layoutlib.bridge.android.PropertiesMap.Property;
-
-import java.util.HashMap;
-
-/**
- * An alias used for the value in {@link BridgeContext#mDefaultPropMaps}
- */
-public class PropertiesMap extends HashMap<String, Property> {
-
-    public static class Property {
-        public final String resource;
-        public final String value;
-
-        public Property(String resource, String value) {
-            this.resource = resource;
-            this.value = value;
-        }
-    }
-}
diff --git a/bridge/src/com/android/layoutlib/bridge/impl/RenderAction.java b/bridge/src/com/android/layoutlib/bridge/impl/RenderAction.java
index 2d38831..0c53753 100644
--- a/bridge/src/com/android/layoutlib/bridge/impl/RenderAction.java
+++ b/bridge/src/com/android/layoutlib/bridge/impl/RenderAction.java
@@ -286,7 +286,7 @@
         return mParams;
     }
 
-    public BridgeContext getContext() {
+    protected BridgeContext getContext() {
         return mContext;
     }
 
diff --git a/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java b/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
index 11fabc6..3ef568c 100644
--- a/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
+++ b/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
@@ -48,6 +48,7 @@
 import com.android.resources.ResourceType;
 import com.android.tools.layoutlib.java.System_Delegate;
 import com.android.util.Pair;
+import com.android.util.PropertiesMap;
 
 import android.animation.AnimationThread;
 import android.animation.Animator;
@@ -1415,6 +1416,10 @@
         return mSystemViewInfoList;
     }
 
+    public Map<Object, PropertiesMap> getDefaultProperties() {
+        return getContext().getDefaultProperties();
+    }
+
     public void setScene(RenderSession session) {
         mScene = session;
     }