Mark's coding playground...

in xml page: < ?xml version="1.0" encoding="utf-8"?> < LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > < TextView android:id="@+id/tv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Which company do you like the most?" android:textSize="25dp" android:textStyle="bold" /> < RadioGroup android:id="@+id/menu" android:layout_width="fill_parent" android:layout_height="wrap_content" android:checkedButton="@+id/lunch" android:orientation="vertical" > < RadioButton android:id="@+id/google" ...