iboss-mini-android-bjmnls/res/drawable/sl_sendmsg_pic.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_pressed="true"><shape>
            <corners android:radius="5dp" />

            <solid android:color="#99232323" />
        </shape></item>
    <item android:state_pressed="false"><shape>
            <corners android:radius="5dp" />

            <solid android:color="#ff9900" />
        </shape></item>

</selector>