1 files changed, 32 insertions, 4 deletions
diff --git a/extensions/baseAdapters/src/main/java/android/databinding/adapters/RatingBarBindingAdapter.java b/extensions/baseAdapters/src/main/java/android/databinding/adapters/RatingBarBindingAdapter.java
index 5e49c72d..4896df08 100644
--- a/extensions/baseAdapters/src/main/java/android/databinding/adapters/RatingBarBindingAdapter.java
+++ b/extensions/baseAdapters/src/main/java/android/databinding/adapters/RatingBarBindingAdapter.java
@@ -15,12 +15,40 @@
  */
 package android.databinding.adapters;
 
-import android.databinding.BindingMethod;
-import android.databinding.BindingMethods;
+import android.databinding.BindingAdapter;
+import android.databinding.InverseBindingListener;
+import android.databinding.InverseBindingMethod;
+import android.databinding.InverseBindingMethods;
 import android.widget.RatingBar;
+import android.widget.RatingBar.OnRatingBarChangeListener;
 
-@BindingMethods({
-        @BindingMethod(type = RatingBar.class, attribute = "android:onRatingChanged", method = "setOnRatingBarChangeListener"),
+@InverseBindingMethods({
+        @InverseBindingMethod(type = RatingBar.class, attribute = "android:rating"),
 })
 public class RatingBarBindingAdapter {
+    @BindingAdapter("android:rating")
+    public static void setRating(RatingBar view, float rating) {
+        if (view.getRating() != rating) {
+            view.setRating(rating);
+        }
+    }
+
+    @BindingAdapter(value = {"android:onRatingChanged", "android:ratingAttrChanged"},
+            requireAll = false)
+    public static void setListeners(RatingBar view, final OnRatingBarChangeListener listener,
+            final InverseBindingListener ratingChange) {
+        if (ratingChange == null) {
+            view.setOnRatingBarChangeListener(listener);
+        } else {
+            view.setOnRatingBarChangeListener(new OnRatingBarChangeListener() {
+                @Override
+                public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {
+                    if (listener != null) {
+                        listener.onRatingChanged(ratingBar, rating, fromUser);
+                    }
+                    ratingChange.onChange();
+                }
+            });
+        }
+    }
 }