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

<?xml version="1.0" encoding="UTF-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <!--点击效果-->
    <item android:state_pressed="true">
        <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
            <!-- android:radius 弧形的半径 -->
            <solid android:color="@color/bgColor_alert_button_press"/>
            <corners android:bottomLeftRadius="@dimen/radius_alertview" />
        </shape>
    </item>
    <item android:drawable="@android:color/transparent" />
</selector>