August 2016
Intermediate to advanced
412 pages
9h 3m
English
Content preview from Android High Performance ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Avoiding useless network requests
Developers barely check the network status in the real world. Many of the alarms, broadcasts, and repetitive tasks we perform have to deal with an Internet connection. But if there is no active Internet connection, what is the purpose of performing all those operations? It would be more efficient to ignore all those operations until the Internet connection is back on track and working.
Determining the current Internet connection can be easily done with the following code snippet:
ConnectivityManager connectivityManager = (ConnectivityManager)context.getSystemService (Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetwork = connectivityManager.getActiveNetworkInfo(); boolean isConnected = activeNetwork != null ...
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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.
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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.