<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_pressed="true"><shape>
            <stroke android:width="2px" android:color="@color/black_sub" />

            <solid android:color="@android:color/transparent" />

            <padding android:bottom="2px" android:left="2px" android:right="2px" android:top="2px" />
        </shape></item>
    <item android:state_pressed="false"><shape>
            <stroke android:width="2px" android:color="@android:color/transparent" />

            <solid android:color="@android:color/transparent" />

            <padding android:bottom="2px" android:left="2px" android:right="2px" android:top="2px" />
        </shape></item>

</selector>