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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Challenge: Announcing Events
By adding dynamic content descriptions to the crime scene photo ImageView, you improved the crime scene photo experience. But the onus is on the TalkBack user to press the ImageView to check its status. A sighted user has the benefit of seeing the image change (or not) when returning from the camera app.
You can provide a similar experience via TalkBack by announcing what happened as a result of the camera app closing. Read up on the View.announceForAccessibility(…) function in the documentation and use it in CriminalIntent at the appropriate time.
You might consider making the announcement when you get a result back from taking a photo. If you do, there will be some timing issues related to the activity ...
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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.