December 2013
Beginner
416 pages
12h 45m
English
book
Learning Android™ Application Programming: A Hands-On Guide to Building Android Applications
by James Talbot, Justin McLean, Jorge Hernandez
Content preview from Learning Android™ Application Programming: A Hands-On Guide to Building Android ApplicationsBecome 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,
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Using Linear Layouts
The basic display on a bicycle computer includes a timer that tracks how long you’ve been riding. You will build this functionality in this section. The first step is to build a user interface that will include a Start button as well as a Stop button for the timer. The timer output will appear on the text view you have already created. To build this functionality, follow these steps.
1. Edit the existing TextView in the activity_timer.xml file. Remove the line that sets the android:text attribute. (The text will no longer be hard-coded but instead will be dynamic and changed through code you will add later.)
2. Change the android:id to the value @+id/timer:
<TextView android:id="@+id/timer" ...
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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.