diff --git a/libs/ui/Rect.cpp b/libs/ui/Rect.cpp
index 13fed3a..a8d6285 100644
--- a/libs/ui/Rect.cpp
+++ b/libs/ui/Rect.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <android-base/stringprintf.h>
 #include <system/graphics.h>
 #include <ui/Rect.h>
 
@@ -149,4 +150,13 @@
     return result;
 }
 
+std::string to_string(const android::Rect& rect) {
+    return android::base::StringPrintf("Rect(%d, %d, %d, %d)", rect.left, rect.top, rect.right,
+                                       rect.bottom);
+}
+
+void PrintTo(const Rect& rect, ::std::ostream* os) {
+    *os << to_string(rect);
+}
+
 }; // namespace android