Skip to Content
Android Programming: The Big Nerd Ranch Guide, 2nd Edition
book

Android Programming: The Big Nerd Ranch Guide, 2nd Edition

by Bill Phillips, Chris Stewart, Brian Hardy, Kristin Marsicano
July 2015
Beginner to intermediate
600 pages
18h 59m
English
Big Nerd Ranch Guides
Content preview from Android Programming: The Big Nerd Ranch Guide, 2nd Edition

Tasks and the Back Stack

Android uses tasks to keep track of the user’s state within each running application. Each application opened from Android’s default launcher app gets its own task. This is the desired behavior but, unfortunately for your NerdLauncher, it is not the default behavior. Before you foray into forcing applications to launch into their own tasks, let’s discuss what tasks are and how they work.

A task is a stack of activities that the user is concerned with. The activity at the bottom of the stack is called the base activity, and whatever activity is on top is the activity that the user sees. When you press the Back button, you are popping the top activity off of this stack. If you are looking at the base activity ...

Become 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,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

Android Programming: The Big Nerd Ranch Guide, Third Edition

Android Programming: The Big Nerd Ranch Guide, Third Edition

Bill Phillips, Chris Stewart, Kristin Marsicano
Android Programming: The Big Nerd Ranch Guide, 4th Edition

Android Programming: The Big Nerd Ranch Guide, 4th Edition

Bill Phillips, Chris Stewart, Kristin Marsicano, Brian Gardner
Android Programming: The Big Nerd Ranch Guide, 5th Edition

Android Programming: The Big Nerd Ranch Guide, 5th Edition

Bryan Sills, Brian Gardner, Kristin Marsicano, Chris Stewart

Publisher Resources

ISBN: 9780134171517Purchase book