diff --git a/core/res/res/anim/lock_screen_behind_enter.xml b/core/res/res/anim/lock_screen_behind_enter.xml
index c01e26500e19e..6c7782e74d24f 100644
--- a/core/res/res/anim/lock_screen_behind_enter.xml
+++ b/core/res/res/anim/lock_screen_behind_enter.xml
@@ -3,21 +3,34 @@
 /*
 ** Copyright 2007, 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 
+** 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 
+**     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 
+** 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.
 */
 -->
 
-<set xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@interpolator/accelerate_cubic">
-    <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
-            android:duration="@android:integer/config_activityDefaultDur" />
-</set>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:detachWallpaper="true" android:shareInterpolator="false">
+    <scale
+        android:fromXScale="0.9" android:toXScale="1.0"
+        android:fromYScale="0.9" android:toYScale="1.0"
+        android:pivotX="50%p" android:pivotY="50%p"
+        android:fillEnabled="true" android:fillBefore="true"
+        android:interpolator="@interpolator/decelerate_cubic"
+        android:startOffset="@android:integer/config_mediumAnimTime"
+        android:duration="@android:integer/config_mediumAnimTime" />
+    <alpha
+        android:fromAlpha="0" android:toAlpha="1.0"
+        android:fillEnabled="true" android:fillBefore="true"
+        android:interpolator="@interpolator/decelerate_quad"
+        android:startOffset="@android:integer/config_mediumAnimTime"
+        android:duration="@android:integer/config_mediumAnimTime"/>
+</set>
\ No newline at end of file
diff --git a/core/res/res/anim/lock_screen_exit.xml b/core/res/res/anim/lock_screen_exit.xml
index 44ca7363808c8..d9c3a3379f67a 100644
--- a/core/res/res/anim/lock_screen_exit.xml
+++ b/core/res/res/anim/lock_screen_exit.xml
@@ -3,22 +3,33 @@
 /*
 ** Copyright 2007, 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 
+** 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 
+**     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 
+** 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.
 */
 -->
 
 <set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@interpolator/decelerate_cubic">
-	<alpha android:fromAlpha="1.0" android:toAlpha="0.0"
-            android:duration="@android:integer/config_activityDefaultDur" />
-</set>
+    android:zAdjustment="top"
+    android:shareInterpolator="false">
+    <scale
+        android:fromXScale="1.0" android:toXScale="1.2"
+        android:fromYScale="1.0" android:toYScale="1.2"
+        android:pivotX="50%p" android:pivotY="50%p"
+        android:fillEnabled="true" android:fillAfter="true"
+        android:interpolator="@interpolator/accelerate_quint"
+        android:duration="@android:integer/config_mediumAnimTime" />
+    <alpha
+        android:fromAlpha="1.0" android:toAlpha="0"
+        android:fillEnabled="true" android:fillAfter="true"
+        android:interpolator="@interpolator/accelerate_quad"
+        android:duration="@android:integer/config_mediumAnimTime"/>
+</set>
\ No newline at end of file