The view layer and logic are written using HTML/JS/CSS and packaged using the platform SDK or other tool capable of building a "native" bundle for the platform. HTML5 has the capability to store things on the client device. If you're not familiar with the improvements, you'll want to take a look at one of the HTML5 sites.
As far as WebOS, the problem with that product was not the underlying technology, but the way the product was built. I'm skeptical of the opinion of architects and designers who produced what essentially amounts to a demoware product. They would benefit by deflecting blame from their own shoddy performance. WebKit isn't the reason the product took so long to develop and didn't perform well. Palm and then HP were focused on creating the applications and infrastructure, but neither had developers spending significant time with a profiler to make the system and apps run fast.
-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Steve Richter
Sent: Tuesday, January 03, 2012 8:43 AM
To: Web Enabling the AS400 / iSeries
Subject: Re: [WEB400] Android Development for the IBM i
On Mon, Jan 2, 2012 at 9:18 PM, Dean, Robert <rdean@xxxxxxxxxxxx> wrote:
Unless your application is really performance critical or you
intentionally are targeting only one platform, native development is
much more expensive than a hybrid approach involving using HTML5/JS/CSS with a cross-platform services API like PhoneGap, Mozilla WebAPI, or the like.
How does HTML5 work for apps that are stored and run entirely on the client? And Javascript and CSS don't seem to be suited for client based apps. And I do not know much about it, but HP just shutdown WebOS which was a browser based way of running client apps. There was a NY Times article on saturday and it said the OS kind of collapsed under its own weight. Where Palm had rushed components to market. Then enhancements and integration of the components required major, multiple rewrites of the underlying WebOS. The end result being apps that crashed and devices that froze too frequently. I am sure Android is not WebOS due to all the money Google is putting into it. But I do question using javascript as a client app programming language.
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