Android Selector获取焦点后文本背景修改的实现代码

<?xml version="1.0" encoding="utf-8"? 
<selector xmlns:android="http://schemas.android.com/apk/res/android" 
<item android:color="@color/colorPrimary" android:state_focused="true"/ 
<item android:color="@color/colorAccent" / 
</selector  

<EditText
  android:textColor="@color/bg_edittext_one"
  android:layout_width="match_parent"
  android:layout_height="45dp"
  android:text="焦点样式：改变背景色同时改变字体色"
  android:gravity="center"
  /