3. Welcome App

Objectives

In this chapter you’ll:

• Learn the basics of the Eclipse IDE for writing, running and debugging your Android apps.

• Create an Eclipse project to develop a new app.

• Design a GUI visually (without programming) using the ADT (Android Development Tools) visual layout editor.

• Edit the properties of GUI components.

• Build a simple Android app and execute it on an Android Virtual Device (AVD).

Outline

3.1 Introduction

3.2 Technologies Overview

3.3 Eclipse IDE

3.4 Creating a New Project

3.5 Building the Welcome App’s GUI with the ADT’s Visual Layout Editor

3.6 Examining the main.xml File

3.7 Running the Welcome App

3.8 Wrap-Up

Self-Review Exercises | Answers to Self-Review Exercises | Exercises