1 <?xml version="1.0" encoding="utf-8"?> 2 <!-- 3 ~ Copyright (C) 2015 The Android Open Source Project 4 ~ 5 ~ Licensed under the Apache License, Version 2.0 (the "License"); 6 ~ you may not use this file except in compliance with the License. 7 ~ You may obtain a copy of the License at 8 ~ 9 ~ http://www.apache.org/licenses/LICENSE-2.0 10 ~ 11 ~ Unless required by applicable law or agreed to in writing, software 12 ~ distributed under the License is distributed on an "AS IS" BASIS, 13 ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ~ See the License for the specific language governing permissions and 15 ~ limitations under the License 16 --> 17 18 <alpha xmlns:android="http://schemas.android.com/apk/res/android" 19 android:interpolator="@android:interpolator/linear_out_slow_in" 20 android:fromAlpha="0.0" android:toAlpha="1.0" 21 android:duration="160" /> 22