1<?xml version="1.0" encoding="utf-8"?> 2<!-- 3 ~ Copyright (C) 2020 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<selector xmlns:android="http://schemas.android.com/apk/res/android"> 18 <item android:state_pressed="true"> 19 <set> 20 <objectAnimator 21 android:interpolator="@interpolator/control_state" 22 android:duration="50" 23 android:propertyName="scaleX" 24 android:valueTo="0.97" 25 android:valueType="floatType" /> 26 <objectAnimator 27 android:interpolator="@interpolator/control_state" 28 android:duration="50" 29 android:propertyName="scaleY" 30 android:valueTo="0.97" 31 android:valueType="floatType" /> 32 33 </set> 34 </item> 35 <item> 36 <set> 37 <objectAnimator 38 android:interpolator="@interpolator/control_state" 39 android:duration="250" 40 android:propertyName="scaleX" 41 android:valueTo="1" 42 android:valueType="floatType" /> 43 <objectAnimator 44 android:interpolator="@interpolator/control_state" 45 android:duration="250" 46 android:propertyName="scaleY" 47 android:valueTo="1" 48 android:valueType="floatType" /> 49 </set> 50 </item> 51</selector>