app/src/main/res/layout/color_selector_item.xml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
   3     android:layout_width="match_parent" android:layout_height="80dp"
   4     android:gravity="center_vertical|center_horizontal"
   5     android:textColor="@android:color/transparent">
   6 </TextView>