Spring Cookbook

Detecting mobiles and tablets

In this recipe, you'll learn how, from a controller method, you can detect whether the current HTTP request has come from a desktop computer, mobile, or tablet.

How to do it…

Register a DeviceResolverHandlerInterceptor interceptor and use DeviceUtils in the controller method:

1. In the Spring configuration class, declare a DeviceResolverHandlerInterceptor bean:

   @Bean
   public DeviceResolverHandlerInterceptor deviceResolverHandlerInterceptor() {
       return new DeviceResolverHandlerInterceptor();
   }

2. Register the DeviceResolverHandlerInterceptor bean as an interceptor in the addInterceptors() method:

   @Override public void addInterceptors(InterceptorRegistry registry) { registry.addInterceptor(deviceResolverHandlerInterceptor()) ; } ...