sheishuoAPP/app/res/drawable/avchat_speaker_icon_selector.xml

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

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

    <item android:drawable="@drawable/avchat_speaker_icon_disable" android:state_enabled="false" />
    <item android:drawable="@drawable/avchat_speaker_icon_pressed" android:state_pressed="true" />
    <item android:drawable="@drawable/avchat_speaker_icon_checked" android:state_selected="true" />
    <item android:drawable="@drawable/avchat_speaker_icon_normal" />

</selector>