diff --git a/bridge/src/android/graphics/Region_Delegate.java b/bridge/src/android/graphics/Region_Delegate.java
new file mode 100644
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--- /dev/null
+++ b/bridge/src/android/graphics/Region_Delegate.java
@@ -0,0 +1,306 @@
+/*
+ * Copyright (C) 2010 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 android.graphics;
+
+import com.android.layoutlib.bridge.Bridge;
+import com.android.layoutlib.bridge.impl.DelegateManager;
+
+import android.os.Parcel;
+
+import java.awt.Rectangle;
+import java.awt.Shape;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Area;
+import java.awt.geom.Rectangle2D;
+
+/**
+ * Delegate implementing the native methods of android.graphics.Region
+ *
+ * Through the layoutlib_create tool, the original native methods of Region have been replaced
+ * by calls to methods of the same name in this delegate class.
+ *
+ * This class behaves like the original native implementation, but in Java, keeping previously
+ * native data into its own objects and mapping them to int that are sent back and forth between
+ * it and the original Region class.
+ *
+ * This also serve as a base class for all Region delegate classes.
+ *
+ * @see DelegateManager
+ *
+ */
+public class Region_Delegate {
+
+    // ---- delegate manager ----
+    protected static final DelegateManager<Region_Delegate> sManager =
+            new DelegateManager<Region_Delegate>();
+
+    // ---- delegate helper data ----
+
+    // ---- delegate data ----
+    private Area mArea = new Area();
+
+    // ---- Public Helper methods ----
+
+    public static Region_Delegate getDelegate(int nativeShader) {
+        return sManager.getDelegate(nativeShader);
+    }
+
+    public Area getJavaArea() {
+        return mArea;
+    }
+
+    /**
+     * Combines two {@link Shape} into another one (actually an {@link Area}), according
+     * to the given {@link Region.Op}.
+     *
+     * If the Op is not one that combines two shapes, then this return null
+     *
+     * @param shape1 the firt shape to combine
+     * @param shape2 the 2nd shape to combine
+     * @param regionOp the operande for the combine
+     * @return a new area or null.
+     */
+    public static Area combineShapes(Shape shape1, Shape shape2, int regionOp) {
+        if (regionOp == Region.Op.DIFFERENCE.nativeInt) {
+            // result is always a new area.
+            Area result = new Area(shape1);
+            result.subtract(shape2 instanceof Area ? (Area) shape2 : new Area(shape2));
+            return result;
+
+        } else if (regionOp == Region.Op.INTERSECT.nativeInt) {
+            // result is always a new area.
+            Area result = new Area(shape1);
+            result.intersect(shape2 instanceof Area ? (Area) shape2 : new Area(shape2));
+            return result;
+
+        } else if (regionOp == Region.Op.UNION.nativeInt) {
+            // result is always a new area.
+            Area result = new Area(shape1);
+            result.add(shape2 instanceof Area ? (Area) shape2 : new Area(shape2));
+            return result;
+
+        } else if (regionOp == Region.Op.XOR.nativeInt) {
+            // result is always a new area.
+            Area result = new Area(shape1);
+            result.exclusiveOr(shape2 instanceof Area ? (Area) shape2 : new Area(shape2));
+
+        } else if (regionOp == Region.Op.REVERSE_DIFFERENCE.nativeInt) {
+            // result is always a new area.
+            Area result = new Area(shape2);
+            result.subtract(shape1 instanceof Area ? (Area) shape1 : new Area(shape1));
+            return result;
+        }
+
+        return null;
+    }
+
+    // ---- native methods ----
+
+    /*package*/ static int nativeConstructor() {
+        Region_Delegate newDelegate = new Region_Delegate();
+        return sManager.addDelegate(newDelegate);
+    }
+
+    /*package*/ static void nativeDestructor(int native_region) {
+        sManager.removeDelegate(native_region);
+    }
+
+    /*package*/ static boolean nativeSetRegion(int native_dst, int native_src) {
+        Region_Delegate dstRegion = sManager.getDelegate(native_dst);
+        if (dstRegion == null) {
+            return true;
+        }
+
+        Region_Delegate srcRegion = sManager.getDelegate(native_src);
+        if (srcRegion == null) {
+            return true;
+        }
+
+        dstRegion.mArea.reset();
+        dstRegion.mArea.add(srcRegion.mArea);
+
+        return true;
+    }
+
+    /*package*/ static boolean nativeSetRect(int native_dst,
+            int left, int top, int right, int bottom) {
+        Region_Delegate dstRegion = sManager.getDelegate(native_dst);
+        if (dstRegion == null) {
+            return true;
+        }
+
+        dstRegion.mArea = new Area(new Rectangle2D.Float(left, top, right - left, bottom - top));
+        return dstRegion.mArea.getBounds().isEmpty() == false;
+    }
+
+    /*package*/ static boolean nativeSetPath(int native_dst, int native_path, int native_clip) {
+        Region_Delegate dstRegion = sManager.getDelegate(native_dst);
+        if (dstRegion == null) {
+            return true;
+        }
+
+        Path_Delegate path = Path_Delegate.getDelegate(native_path);
+        if (path == null) {
+            return true;
+        }
+
+        dstRegion.mArea = new Area(path.getJavaShape());
+
+        Region_Delegate clip = sManager.getDelegate(native_clip);
+        if (clip != null) {
+            dstRegion.mArea.subtract(clip.getJavaArea());
+        }
+
+        return dstRegion.mArea.getBounds().isEmpty() == false;
+    }
+
+    /*package*/ static boolean nativeGetBounds(int native_region, Rect rect) {
+        Region_Delegate region = sManager.getDelegate(native_region);
+        if (region == null) {
+            return true;
+        }
+
+        Rectangle bounds = region.mArea.getBounds();
+        if (bounds.isEmpty()) {
+            rect.left = rect.top = rect.right = rect.bottom = 0;
+            return false;
+        }
+
+        rect.left = bounds.x;
+        rect.top = bounds.y;
+        rect.right = bounds.x + bounds.width;
+        rect.bottom = bounds.y + bounds.height;
+        return true;
+    }
+
+    /*package*/ static boolean nativeGetBoundaryPath(int native_region, int native_path) {
+        Region_Delegate region = sManager.getDelegate(native_region);
+        if (region == null) {
+            return false;
+        }
+
+        Path_Delegate path = Path_Delegate.getDelegate(native_path);
+        if (path == null) {
+            return false;
+        }
+
+        if (region.mArea.isEmpty()) {
+            path.reset();
+            return false;
+        }
+
+        path.setPathIterator(region.mArea.getPathIterator(new AffineTransform()));
+        return true;
+    }
+
+    /*package*/ static boolean nativeOp(int native_dst,
+            int left, int top, int right, int bottom, int op) {
+        Region_Delegate region = sManager.getDelegate(native_dst);
+        if (region == null) {
+            return false;
+        }
+
+        region.mArea = combineShapes(region.mArea,
+                new Rectangle2D.Float(left, top, right - left, bottom - top), op);
+
+        assert region.mArea != null;
+        if (region.mArea != null) {
+            region.mArea = new Area();
+        }
+
+        return region.mArea.getBounds().isEmpty() == false;
+    }
+
+    /*package*/ static boolean nativeOp(int native_dst, Rect rect, int native_region, int op) {
+        Region_Delegate region = sManager.getDelegate(native_dst);
+        if (region == null) {
+            return false;
+        }
+
+        region.mArea = combineShapes(region.mArea,
+                new Rectangle2D.Float(rect.left, rect.top, rect.width(), rect.height()), op);
+
+        assert region.mArea != null;
+        if (region.mArea != null) {
+            region.mArea = new Area();
+        }
+
+        return region.mArea.getBounds().isEmpty() == false;
+    }
+
+    /*package*/ static boolean nativeOp(int native_dst,
+            int native_region1, int native_region2, int op) {
+        Region_Delegate dstRegion = sManager.getDelegate(native_dst);
+        if (dstRegion == null) {
+            return true;
+        }
+
+        Region_Delegate region1 = sManager.getDelegate(native_region1);
+        if (region1 == null) {
+            return false;
+        }
+
+        Region_Delegate region2 = sManager.getDelegate(native_region2);
+        if (region2 == null) {
+            return false;
+        }
+
+        dstRegion.mArea = combineShapes(region1.mArea, region2.mArea, op);
+
+        assert dstRegion.mArea != null;
+        if (dstRegion.mArea != null) {
+            dstRegion.mArea = new Area();
+        }
+
+        return dstRegion.mArea.getBounds().isEmpty() == false;
+
+    }
+
+    /*package*/ static int nativeCreateFromParcel(Parcel p) {
+        // This is only called by Region.CREATOR (Parcelable.Creator<Region>), which is only
+        // used during aidl call so really this should not be called.
+        Bridge.getLog().error(null,
+                "AIDL is not suppored, and therefore Regions cannot be created from parcels.");
+        return 0;
+    }
+
+    /*package*/ static boolean nativeWriteToParcel(int native_region,
+                                                      Parcel p) {
+        // This is only called when sending a region through aidl, so really this should not
+        // be called.
+        Bridge.getLog().error(null,
+                "AIDL is not suppored, and therefore Regions cannot be written to parcels.");
+        return false;
+    }
+
+    /*package*/ static boolean nativeEquals(int native_r1, int native_r2) {
+        Region_Delegate region1 = sManager.getDelegate(native_r1);
+        if (region1 == null) {
+            return false;
+        }
+
+        Region_Delegate region2 = sManager.getDelegate(native_r2);
+        if (region2 == null) {
+            return false;
+        }
+
+        return region1.mArea.equals(region2.mArea);
+    }
+
+    // ---- Private delegate/helper methods ----
+
+}