9.1 The Model9.2 Fragments9.3 Defining and Adding a Fragment to an Activity Using a Layout XML File, Hangman, App Version 09.4 Adding GUI Components, Styles, Strings, and Colors, Hangman, App Version 19.5 Defining a Fragment Using a Layout XML File and Adding the Fragment to an Activity by Code, Hangman, App Version 29.6 Defining and Adding a Fragment to an Activity by Code, Hangman, App Version 39.7 Communication between Fragments and Their Activity: Enabling Play, Hangman, App Version 49.8 Using an Invisible Fragment, Hangman, App Version 59.9 Making a Fragment Reusable, Hangman, App Version 69.10 Improving the GUI: Processing the Keyboard Input Directly, Hangman, App Version 7