51Degrees-Java

Add mobile device detection to Java the easy way with 51Degrees.com. No cloud services, no external plug-ins, all Mozilla Public Licence source code. It's a great alternative to WURFL or DeviceAtlas.

Also available on Maven.

1) Download the zip and extract.
2) Add the core JAR located in the "dist" directory to your java project.
3) Import the following packages:

import fiftyone.mobile.detection.Match;
import fiftyone.mobile.detection.Provider;
import fiftyone.mobile.detection.factories.StreamFactory;

4) Use the following code to start detecting devices:

//The Lite data file is provided with every archive.
Provider p = new Provider(StreamFactory.create("path/to/data/file"));

Match match = p.match("USERAGENT_STRING");
boolean isMobile = match.getValues("IsMobile").toBool();

if(isMobile)
System.out.println("Mobile");
else
System.out.println("Not mobile");