All the software you’ll need for this book is available free for download from the Internet. See the Before You Begin section for the download links.
Documentation. All the Android and Java documentation you’ll need to develop Android apps is available free at http://developer.android.com
and http://www.oracle.com/technetwork/java/javase/downloads/index.html
. The documentation for Eclipse is available at www.eclipse.org/documentation
. The documentation for Android Studio is available at http://developer.android.com/sdk/installing/studio.html
.