<?xml version="1.0" encoding="utf-8"?><layer-list xmlns:android="http://schemas.android.com/apk/res/android"><!-- This is the line --> <item android:top="-1dp" android:right="-1dp" android:left="-1dp"> <shape> <solid android:color="@android:color/transparent" /> <stroke android:width="1dp" android:color="#ffffff" /> </shape> </item></layer-list>
http://stackoverflow.com/questions/2422120/open-sided-android-stroke