<?xml version="1.0" encoding="utf-8"?> <RadioButton xmlns:android="http://schemas.android.com/apk/res/android" android:layout_gravity="center_vertical" android:id="@+id/radio" android:focusable="false" android:clickable="false" android:duplicateParentState="true" android:layout_width="wrap_content" android:layout_height="wrap_content"/>Download file