OperationSite / app / src / main / res / drawable / bg_stroke_layout.xml

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

    <stroke
        android:width="@dimen/dp_1"
        android:color="#CCCCCC" />
</shape>