Android NDK Beginner's Guide - Second Edition

Time for action – handling Java arrays in native Store

To help us handle operations on arrays, let's download a helper library, Google Guava (release 18.0 at the time of writing this book) available at http://code.google.com/p/guava-libraries/. Guava offers many useful methods to deal with primitives and arrays, and perform "pseudo-functional" programming.

Copy guava jar in the project libs directory. Open the Properties project and go to Java Build Path | Libraries. Reference Guava jar by clicking on the Add JARs... button and validate.

1. Edit the StoreType.java enumeration and add three new values: IntegerArray, StringArray, and ColorArray:

   public enum StoreType {
       ...
       Color,
       IntegerArray,
       StringArray,
       ColorArray
   }

2. Open Store.java and add new methods ...