March 2010
Intermediate to advanced
304 pages
8h 23m
English
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Chapter 7. Diving into Extensions: Gadgets API
The complexity of gadgets can vary from lightweight utilities that perform simple tasks to fairly sophisticated applications that integrate with other services and applications (including robots). A participant’s experience with a gadget can vary as well, depending on how the gadget handles changes in state. One gadget may display pretty much the same changes to all participants, while another gadget may display only specific changes to participants, depending on what type of information needs to be communicated.
As we did with robots in the previous chapter, we’ll start out by working through a few examples of code using the Gadgets API. I have designed the gadget examples with the goal of incorporating concepts and API methods that you are likely to use in your own gadgets. We’ll review the Gadgets API in more detail in the second half of the chapter.
Let’s Code a Few Gadgets
Before we get started, I’d like to remind you that gadgets rely primarily on JavaScript and HTML, so you’ll want to make sure that you’re up to speed on these two languages before proceeding. As I did with the robot code examples, for the sake of brevity I won’t include some of the basic steps that I covered in Chapter 5, including how to make your gadget accessible on the Web and how to create images for your gadgets.
Election Gadget: Soliciting ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.