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[唐僧爱上小妖精]

<?xml version="1.0" encoding="utf-8"?>
<selector
xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_focused="true"
android:state_pressed="false"
android:drawable="@drawable/btn_bg_press" />
<item android:state_focused="true"
android:state_pressed="true"
android:drawable="@drawable/btn_bg_press" />
<item android:state_focused="false"
android:state_pressed="true"
android:drawable="@drawable/btn_bg_press" />
<item android:drawable="@drawable/btn_bg_normal" />
</selector>
代码出错？求解！