taiyi-pulse/TYUsbSDK/src/main/res/drawable/selector_btn_red_25dp.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true">
    <shape android:shape="rectangle">
        <solid android:color="@color/red_dark"/>
        <corners android:radius="25dp"/>
    </shape>
</item>
    <item android:state_enabled="false">
        <shape android:shape="rectangle">
            <solid android:color="@color/gray_plus3"/>
            <corners android:radius="25dp"/>
        </shape>
    </item>
    <item >
        <shape android:shape="rectangle">
            <solid android:color="@color/red"/>
            <corners android:radius="25dp"/>
        </shape>
    </item>
</selector>