tests/ActivityTests/res/anim/slow_enter.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2011, 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:shareInterpolator="false" >
    <scale android:fromXScale="0.9" android:toXScale="1.5"
           android:fromYScale="0.9" android:toYScale="1.5"
           android:pivotX="50%" android:pivotY="50%"
           android:interpolator="@interpolator/slow_enter"
           android:duration="40000" />
    <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
            android:interpolator="@android:interpolator/decelerate_cubic"
            android:duration="1000" />
</set>