<?xml version="1.0" encoding="utf-8"?> <!-- ~ Copyright (C) 2017 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 --> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item> <layer-list> <item android:gravity="right" android:drawable="@drawable/ic_arrow_drop_down" /> </layer-list> </item> </selector>