May 2022
Intermediate to advanced
688 pages
20h 12m
English
book
Android Programming: The Big Nerd Ranch Guide, 5th Edition
by Bryan Sills, Brian Gardner, Kristin Marsicano, Chris Stewart
Content preview from Android Programming: The Big Nerd Ranch Guide, 5th Edition
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Scheduling Work
To schedule a Worker to execute, you need a WorkRequest. The WorkRequest class itself is abstract, so you need to use one of its subclasses depending on the type of work you need to execute. If you have something that only needs to execute once, use a OneTimeWorkRequest. If your work is something that must execute periodically, use a PeriodicWorkRequest.
For now, you are going to use the OneTimeWorkRequest. This will let you learn more about creating and controlling the requests and verify that your PollWorker is functioning correctly. Later you will update your app to use a PeriodicWorkRequest.
Open PhotoGalleryFragment.kt, create a work request, and schedule it for execution.
Listing 22.3 Scheduling ...
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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.