diff --git a/res-common/interpolator/ease_in_interpolator.xml b/res-common/interpolator/ease_in_interpolator.xml
new file mode 100644
index 0000000..0f5afbe
--- /dev/null
+++ b/res-common/interpolator/ease_in_interpolator.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ Copyright (C) 2014 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
+  -->
+
+<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:controlX1="0"
+    android:controlY1="0"
+    android:controlX2="0.2"
+    android:controlY2="1.0"/>
\ No newline at end of file
diff --git a/res-common/interpolator/ease_out_interpolator.xml b/res-common/interpolator/ease_out_interpolator.xml
new file mode 100644
index 0000000..5b9ee3e
--- /dev/null
+++ b/res-common/interpolator/ease_out_interpolator.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ Copyright (C) 2014 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
+  -->
+
+<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:controlX1="0.4"
+    android:controlY1="0"
+    android:controlX2="1.0"
+    android:controlY2="1.0"/>
\ No newline at end of file