"I need to know how to do it in IOS please provide me step by step with sample application or code for IOS."

Unfortunately we are not in a position where we can write complete sample code for developers, so this is something that you will need to investigate and hopefully feedback into the community :)

On iOS there are a number of libraries that can help you communicate with the server such as AFNetworking.  However, as David rightly points out if you need to do this during the execution of the application it will be best if you set up your own gateway to ensure a consistent user experience.

HTH

N

The appropriate way to accomplish that will be to relay the images to a server and then upload them from the server to the cloud recognition service. The VWS API is intended for server and desktop applications. That's why we provide Java samples.