If you want to create a class that represents a new screen/window in an Android app, which of the following classes can you use as a parent class? code example

Example: views defined in xml

<TextView
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text="@string/hello_world"
   android:background="#000"
   android:textColor="#fff"
   android:layout_centerHorizontal="true"
/>