March 2013
Beginner to intermediate
580 pages
16h 11m
English
Content preview from Android Programming: The Big Nerd Ranch GuideBecome 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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Cleaning Up with Styles
Now that you have a working project, take a look at your layout XML. Each button is identical. That is fine for now, but if you want to add an attribute to a button, you will have to repeat your work three times. And what about when you have twelve buttons?
Happily, Android has UI styles, which are meant to eliminate that repetition. Style resources are similar to CSS styles. Each style defines a set of XML attribute-value pairs. Styles can be organized into a hierarchy: a child has the same attributes and values as its parent, but may override them or add additional values.
Like string resources, styles are defined inside of a <resources> tag in an XML file in your res/values folder. Also like strings, the filename ...
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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.