April 2013
Intermediate to advanced
264 pages
7h 44m
English
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Network Information
Knowing the current strength of a device’s Internet connection is extremely useful; you may want to serve lower-resolution images to devices with low bandwidth or stream different video qualities to users depending on their connection. Likewise, you may want to hold off on the background processes if the user has a limited or metered tariff.
The Network Information API is composed of two attributes on the connection object: bandwidth, which is a figure representing the estimated bandwidth in Megabytes (MBps) of the current connection (0 if the device is offline, infinity if the result is unknown); and metered, a Boolean that returns true if the connection is metered (such as on pay-as-you-go tariffs).
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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.