2. Creating Your First Application

Over the course of this book, you’ll develop a simple time-tracking app. This app will eventually have all the features you would expect in a time-tracking application: a Start/Stop button, a running clock indicator, lists of previous times, editing capabilities, and a home-screen widget for fast time entry. But to begin, you’ll create a basic app with a few buttons, a text view, and a list of times. In this chapter you’ll learn the different layout containers and when to use them; explore XML options for getting the interface just right; learn the proper way to load data and display it as a list; and dive deep into the Activity class, a fundamental part of Android UI development.

Creating an App

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