代码:<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android" >

  <item

      android:drawable="@drawable/gray_bg"android:state_pressed="true"

      />

    <item android:drawable="@drawable/white_bg"/>

</selector>

错误：Multiple annotations found at this line:

- error: Error parsing XML: not well-formed (invalid token)

- Element type "item" must be followed by either attribute specifications, 

">" or "/>".