diff --git a/api/16.txt b/api/16.txt
index 6070f38..6b41477 100644
--- a/api/16.txt
+++ b/api/16.txt
@@ -23165,7 +23165,7 @@
     method protected boolean verifyDrawable(android.graphics.drawable.Drawable);
     method public boolean willNotCacheDrawing();
     method public boolean willNotDraw();
-    field public static android.util.Property ALPHA;
+    field public static final android.util.Property ALPHA;
     field public static final int DRAWING_CACHE_QUALITY_AUTO = 0; // 0x0
     field public static final int DRAWING_CACHE_QUALITY_HIGH = 1048576; // 0x100000
     field public static final int DRAWING_CACHE_QUALITY_LOW = 524288; // 0x80000
@@ -23222,11 +23222,11 @@
     field protected static final int[] PRESSED_SELECTED_STATE_SET;
     field protected static final int[] PRESSED_SELECTED_WINDOW_FOCUSED_STATE_SET;
     field protected static final int[] PRESSED_WINDOW_FOCUSED_STATE_SET;
-    field public static android.util.Property ROTATION;
-    field public static android.util.Property ROTATION_X;
-    field public static android.util.Property ROTATION_Y;
-    field public static android.util.Property SCALE_X;
-    field public static android.util.Property SCALE_Y;
+    field public static final android.util.Property ROTATION;
+    field public static final android.util.Property ROTATION_X;
+    field public static final android.util.Property ROTATION_Y;
+    field public static final android.util.Property SCALE_X;
+    field public static final android.util.Property SCALE_Y;
     field public static final int SCROLLBARS_INSIDE_INSET = 16777216; // 0x1000000
     field public static final int SCROLLBARS_INSIDE_OVERLAY = 0; // 0x0
     field public static final int SCROLLBARS_OUTSIDE_INSET = 50331648; // 0x3000000
@@ -23242,13 +23242,13 @@
     field public static final int SYSTEM_UI_FLAG_HIDE_NAVIGATION = 2; // 0x2
     field public static final int SYSTEM_UI_FLAG_LOW_PROFILE = 1; // 0x1
     field public static final int SYSTEM_UI_FLAG_VISIBLE = 0; // 0x0
-    field public static android.util.Property TRANSLATION_X;
-    field public static android.util.Property TRANSLATION_Y;
+    field public static final android.util.Property TRANSLATION_X;
+    field public static final android.util.Property TRANSLATION_Y;
     field protected static final java.lang.String VIEW_LOG_TAG = "View";
     field public static final int VISIBLE = 0; // 0x0
     field protected static final int[] WINDOW_FOCUSED_STATE_SET;
-    field public static android.util.Property X;
-    field public static android.util.Property Y;
+    field public static final android.util.Property X;
+    field public static final android.util.Property Y;
   }
 
   public static class View.AccessibilityDelegate {
diff --git a/api/current.txt b/api/current.txt
index d0ca33e..b2f20c7 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -23316,7 +23316,7 @@
     method protected boolean verifyDrawable(android.graphics.drawable.Drawable);
     method public boolean willNotCacheDrawing();
     method public boolean willNotDraw();
-    field public static android.util.Property ALPHA;
+    field public static final android.util.Property ALPHA;
     field public static final int DRAWING_CACHE_QUALITY_AUTO = 0; // 0x0
     field public static final int DRAWING_CACHE_QUALITY_HIGH = 1048576; // 0x100000
     field public static final int DRAWING_CACHE_QUALITY_LOW = 524288; // 0x80000
@@ -23373,11 +23373,11 @@
     field protected static final int[] PRESSED_SELECTED_STATE_SET;
     field protected static final int[] PRESSED_SELECTED_WINDOW_FOCUSED_STATE_SET;
     field protected static final int[] PRESSED_WINDOW_FOCUSED_STATE_SET;
-    field public static android.util.Property ROTATION;
-    field public static android.util.Property ROTATION_X;
-    field public static android.util.Property ROTATION_Y;
-    field public static android.util.Property SCALE_X;
-    field public static android.util.Property SCALE_Y;
+    field public static final android.util.Property ROTATION;
+    field public static final android.util.Property ROTATION_X;
+    field public static final android.util.Property ROTATION_Y;
+    field public static final android.util.Property SCALE_X;
+    field public static final android.util.Property SCALE_Y;
     field public static final int SCROLLBARS_INSIDE_INSET = 16777216; // 0x1000000
     field public static final int SCROLLBARS_INSIDE_OVERLAY = 0; // 0x0
     field public static final int SCROLLBARS_OUTSIDE_INSET = 50331648; // 0x3000000
@@ -23393,13 +23393,13 @@
     field public static final int SYSTEM_UI_FLAG_HIDE_NAVIGATION = 2; // 0x2
     field public static final int SYSTEM_UI_FLAG_LOW_PROFILE = 1; // 0x1
     field public static final int SYSTEM_UI_FLAG_VISIBLE = 0; // 0x0
-    field public static android.util.Property TRANSLATION_X;
-    field public static android.util.Property TRANSLATION_Y;
+    field public static final android.util.Property TRANSLATION_X;
+    field public static final android.util.Property TRANSLATION_Y;
     field protected static final java.lang.String VIEW_LOG_TAG = "View";
     field public static final int VISIBLE = 0; // 0x0
     field protected static final int[] WINDOW_FOCUSED_STATE_SET;
-    field public static android.util.Property X;
-    field public static android.util.Property Y;
+    field public static final android.util.Property X;
+    field public static final android.util.Property Y;
   }
 
   public static class View.AccessibilityDelegate {
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 5c93a42..de3f00f 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -13871,7 +13871,7 @@
      * A Property wrapper around the <code>alpha</code> functionality handled by the
      * {@link View#setAlpha(float)} and {@link View#getAlpha()} methods.
      */
-    public static Property<View, Float> ALPHA = new FloatProperty<View>("alpha") {
+    public static final Property<View, Float> ALPHA = new FloatProperty<View>("alpha") {
         @Override
         public void setValue(View object, float value) {
             object.setAlpha(value);
@@ -13887,7 +13887,7 @@
      * A Property wrapper around the <code>translationX</code> functionality handled by the
      * {@link View#setTranslationX(float)} and {@link View#getTranslationX()} methods.
      */
-    public static Property<View, Float> TRANSLATION_X = new FloatProperty<View>("translationX") {
+    public static final Property<View, Float> TRANSLATION_X = new FloatProperty<View>("translationX") {
         @Override
         public void setValue(View object, float value) {
             object.setTranslationX(value);
@@ -13903,7 +13903,7 @@
      * A Property wrapper around the <code>translationY</code> functionality handled by the
      * {@link View#setTranslationY(float)} and {@link View#getTranslationY()} methods.
      */
-    public static Property<View, Float> TRANSLATION_Y = new FloatProperty<View>("translationY") {
+    public static final Property<View, Float> TRANSLATION_Y = new FloatProperty<View>("translationY") {
         @Override
         public void setValue(View object, float value) {
             object.setTranslationY(value);
@@ -13919,7 +13919,7 @@
      * A Property wrapper around the <code>x</code> functionality handled by the
      * {@link View#setX(float)} and {@link View#getX()} methods.
      */
-    public static Property<View, Float> X = new FloatProperty<View>("x") {
+    public static final Property<View, Float> X = new FloatProperty<View>("x") {
         @Override
         public void setValue(View object, float value) {
             object.setX(value);
@@ -13935,7 +13935,7 @@
      * A Property wrapper around the <code>y</code> functionality handled by the
      * {@link View#setY(float)} and {@link View#getY()} methods.
      */
-    public static Property<View, Float> Y = new FloatProperty<View>("y") {
+    public static final Property<View, Float> Y = new FloatProperty<View>("y") {
         @Override
         public void setValue(View object, float value) {
             object.setY(value);
@@ -13951,7 +13951,7 @@
      * A Property wrapper around the <code>rotation</code> functionality handled by the
      * {@link View#setRotation(float)} and {@link View#getRotation()} methods.
      */
-    public static Property<View, Float> ROTATION = new FloatProperty<View>("rotation") {
+    public static final Property<View, Float> ROTATION = new FloatProperty<View>("rotation") {
         @Override
         public void setValue(View object, float value) {
             object.setRotation(value);
@@ -13967,7 +13967,7 @@
      * A Property wrapper around the <code>rotationX</code> functionality handled by the
      * {@link View#setRotationX(float)} and {@link View#getRotationX()} methods.
      */
-    public static Property<View, Float> ROTATION_X = new FloatProperty<View>("rotationX") {
+    public static final Property<View, Float> ROTATION_X = new FloatProperty<View>("rotationX") {
         @Override
         public void setValue(View object, float value) {
             object.setRotationX(value);
@@ -13983,7 +13983,7 @@
      * A Property wrapper around the <code>rotationY</code> functionality handled by the
      * {@link View#setRotationY(float)} and {@link View#getRotationY()} methods.
      */
-    public static Property<View, Float> ROTATION_Y = new FloatProperty<View>("rotationY") {
+    public static final Property<View, Float> ROTATION_Y = new FloatProperty<View>("rotationY") {
         @Override
         public void setValue(View object, float value) {
             object.setRotationY(value);
@@ -13999,7 +13999,7 @@
      * A Property wrapper around the <code>scaleX</code> functionality handled by the
      * {@link View#setScaleX(float)} and {@link View#getScaleX()} methods.
      */
-    public static Property<View, Float> SCALE_X = new FloatProperty<View>("scaleX") {
+    public static final Property<View, Float> SCALE_X = new FloatProperty<View>("scaleX") {
         @Override
         public void setValue(View object, float value) {
             object.setScaleX(value);
@@ -14015,7 +14015,7 @@
      * A Property wrapper around the <code>scaleY</code> functionality handled by the
      * {@link View#setScaleY(float)} and {@link View#getScaleY()} methods.
      */
-    public static Property<View, Float> SCALE_Y = new FloatProperty<View>("scaleY") {
+    public static final Property<View, Float> SCALE_Y = new FloatProperty<View>("scaleY") {
         @Override
         public void setValue(View object, float value) {
             object.setScaleY(value);