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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Logging the Activity Lifecycle
In this section, you are going to override lifecycle functions to eavesdrop on MainActivity’s lifecycle. Each implementation will simply log a message informing you that the function has been called. This will help you see how MainActivity’s state changes at runtime in relation to what the user is doing.
Making log messages
In Android, the android.util.Log class sends log messages to a shared system-level log. Log has several functions for logging messages. The one that you will use most often in this book is d(…), which stands for “debug.” (There are many levels of logging; you can learn more about them in the section called For the More Curious: Log Levels near the end of this chapter.) ...
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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.