1<?xml version="1.0" encoding="utf-8"?>
2<selector xmlns:android="http://schemas.android.com/apk/res/android">
3    <item
4        android:alpha="1"
5        android:color="?android:attr/textColorPrimary"
6        android:state_enabled="true" />
7    <item
8        android:alpha="?android:disabledAlpha"
9        android:color="?android:attr/textColorPrimary"
10        android:state_enabled="false" />
11</selector>