July 2009
Intermediate to advanced
464 pages
12h 25m
English
Content preview from Palm webOSBecome 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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Chapter 1. Overview of webOS
Palm webOS is Palm’s next generation operating system. Designed around an incredibly fast and beautiful user experience and optimized for the multitasking user, webOS integrates the power of a window-based operating system with the simplicity of a browser. Applications are built using standard web technologies and languages, but have access to device-based services and data.
Palm webOS is designed to run on a variety of hardware with different screen sizes, resolutions, and orientations, with or without keyboards, and works best with a touch panel, though it doesn’t require one. Because the user interface (UI) and application model are built on a web browser runtime, the range of suitable hardware platforms is quite wide, requiring only a CPU, some memory, a wireless data connection, a display, and a means for interacting with the UI and entering text.
You can think of webOS applications as native applications, but built from the same standard HTML (Hypertext Markup Language), CSS (Cascading Style Sheets), and JavaScript that you’d use to develop web applications. Palm has extended the standard web development environment through a JavaScript framework that provides a toolkit of UI widgets and access to selected device hardware and services.
The user experience is optimized for launching and managing multiple applications at once. Palm webOS is designed around multitasking and makes it utterly simple to run background applications, to switch between applications ...
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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.