Designing the User Interface
In This Chapter
Setting up the Silent Mode Toggle application
Designing the layout
Developing the user interface
Adding an image and a button widget
Making a launcher icon
Previewing your work
In Chapter 3, you discover what Android is and how to build your first application. This chapter helps you delve into the fun stuff: building a real application and publishing it to the Google Play Store.
The application you build in this chapter allows the user to toggle the ringer mode on the phone by simply pressing a button. This application seems simple, but it solves a real-world problem.
Imagine that you’re at work and you’re about to go to a meeting. You can turn down the volume on your phone to silence it and then attend the meeting. (You wouldn’t want to be the one whose phone always rings during a meeting, would you?) The problem is that you like ...