Real-time updates can be enabled with the Droplets API in one of two ways: polling the server or posting to the client. In this tip we'll discuss the first alternative.

Setting up a poll to the Server involves a single call to setPollTime() within your Application object:

Application.setPollTime(int centiseconds);

• Creating an implementation of the PollListener interface.
  
  
• Defining the behavior of the handleClientPoll() method within the PollListener. This method defines application behavior in the event of a client poll.
  
  
• Adding this PollListener to the application by calling the Application object's addPollListener() method;
  
  

If you want to stop the client polling at any point in your application logic, all you need to do is call setPollTime again with an argument of -1:

app.setPollTime(-1);