counter_left_button.xml

<?xml version="1.0" encoding="utf-8"?>
<!--计数器左边按钮-->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true">
        <shape android:shape="rectangle">
            <corners android:topLeftRadius="@dimen/dp_4"
                android:bottomLeftRadius="@dimen/dp_4"/>
            <solid android:color="@color/gray_999999"/>
            <stroke android:color="@color/gray_d9d9d9"
                android:width="@dimen/dp_1"/>
        </shape>
    </item>

    <item>
        <shape android:shape="rectangle">
            <corners android:topLeftRadius="@dimen/dp_4"
                android:bottomLeftRadius="@dimen/dp_4"/>
            <solid android:color="@color/white"/>
            <stroke android:color="@color/gray_d9d9d9"
                android:width="@dimen/dp_1"/>
        </shape>
    </item>
</selector>