core/res/res/anim/submenu_enter.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/* //device/apps/common/res/anim/slide_in_left.xml
**
** 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
**
**     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.
*/
-->

<set xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@interpolator/decelerate_quad">
	<translate android:fromXDelta="-25%" android:toXDelta="0"
            android:duration="@android:integer/config_shortAnimTime"/>
	<alpha android:fromAlpha="0.0" android:toAlpha="1.0"
            android:duration="@android:integer/config_shortAnimTime" />
</set>