1<?xml version="1.0" encoding="utf-8"?> 2<!-- Copyright (C) 2018 The Android Open Source Project 3 4Licensed under the Apache License, Version 2.0 (the "License"); 5you may not use this file except in compliance with the License. 6You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10Unless required by applicable law or agreed to in writing, software 11distributed under the License is distributed on an "AS IS" BASIS, 12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13See the License for the specific language governing permissions and 14limitations under the License. 15--> 16<selector 17 xmlns:android="http://schemas.android.com/apk/res/android"> 18 <item 19 android:state_activated="true"> 20 <shape 21 xmlns:android="http://schemas.android.com/apk/res/android" 22 android:shape="oval"> 23 <stroke 24 android:color="@color/car_tint" 25 android:width="@dimen/car_action_bar_activation_ring_stroke_width"> 26 </stroke> 27 <size 28 android:height="@dimen/car_action_bar_activation_ring_radius" 29 android:width="@dimen/car_action_bar_activation_ring_radius"/> 30 </shape> 31 </item> 32 <!--Yes, this is a load-bearing invisible circle.--> 33 <!--Android doesn't remeasure foregrounds when state_activated changes, --> 34 <!--so we need a default drawable with the same size as the one we actually want to draw--> 35 <item> 36 <shape 37 xmlns:android="http://schemas.android.com/apk/res/android" 38 android:shape="oval"> 39 <stroke 40 android:color="#00000000" 41 android:width="@dimen/car_action_bar_activation_ring_stroke_width"> 42 </stroke> 43 <size 44 android:height="@dimen/car_action_bar_activation_ring_radius" 45 android:width="@dimen/car_action_bar_activation_ring_radius"/> 46 </shape> 47 </item> 48</selector> 49