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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7 Your Second Activity
In this chapter, you will add a second activity to GeoQuiz. An activity controls a screen of information, and your new activity will add a second screen that offers users a chance to cheat on the current question by showing the answer. Figure 7.1 shows the new activity.
Figure 7.1 CheatActivity offers the chance to peek at the answer
If users choose to view the answer and then return to the MainActivity and answer the question, they will get a new message, shown in Figure 7.2.
Figure 7.2 MainActivity knows if you’ve been cheating
Why is this a good Android programming exercise? Because ...
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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.