WE have a finance and insurance product that build in Flex as front end and Java (EJB) as a backend using JBoss Application server, now we want to change the Front end from Flex to HTML5. the framework we are using in Flex is cairngorm that is I think best for flex to communicate with java using blazeds.
Now can anybody help me to choose the framework of HTML5, so that only Flex side will be replaced. As I told that application scope is very huge, thousands of flex files with custom components SWCs. please give me a proper framework so that I can raplace my Flex side with HTML5.
I think you can go with Sencha/extjs, the latest version of the sencha can accept the amf protocol data on the client side, so you can just put your time and developing the UI rather than rewriting the services, also, it is powerful like flex and backed by a huge community. GWT may be good replacement, but it has its own problems, you end up writing a lot of code in Java. People say JQueryUI is good, I've never used it personally.
Adobe has started developing IDEs around html5, checkout adobe edge.
Related
I'm developing a service in flex which requires realtime invalidations and I was wondering which is the recommended method to add realtime support to Flex applications (any change to data models should be reflected to all subscribed clients).
Here are some concerns:
My server is written in python3 (tornado, sqlalchemy, redis) although I don't care adding another service written in other language as long at it is simple and not a resource hog (no java please :)). My client is written in Flex and this must be supported
I want to have multiple servers\processes to handle realtime
connections and I don't want to use sticky sessions (SPOF?). All of the processes will be behind a Load Balancer.
I don't
care about the transport method as long as it is not proprietary (no RTMP), it has fallbacks and it is well supported (mostly IE9 and above)
Currently, I use Tornadio2 and FlashSocket.IO but both are not maintained and not recommended.
I thought about using SockJS though It doesn't have Flex support (can I use it through the browser?), and it seems that beside FlashSocket.IO, there are no other libraries available. It should also be noted that this library doesn't have fallback capabilities.
During my research, I saw several relevant questions:
Real-Time communication between PHP and Flex application
Realtime update and Push Data in AS3
But they are 4 years old, and doesn't provide a good answer.
Any thoughts on the subject would be appreciated.
It seems that this topic is not hot (to say the least), but in case someone is interested, I managed to get around it by using SockJS on the flex html wrapper and communicating with it using external interface
I am doing something similar in Flex by using WebSockets (sockets.io) on the serverside. On the client side, I am using the AS3WebSockets library from https://github.com/theturtle32/AS3WebSocket
Works exceedingly well!
Officially, BlazeDs can only be used "with Flex and AIR". This comment is puzzling in itself since Flex is a set of Actionscript development tools, while AIR is a "mode" in which Flash can operate.
Ultimately, I am starting a new project and I want to use BlazeDS for a Flash CS5.5 (or CS6)-based project. Is this possible? Has anyone used this combination in the past?
If you actually read the article you linked to, you'll soon find that it is absolutely okay to use BlazeDS with any technology that can communicate with a web socket - its message format (AMF3) is an open standard.
So yes, it can be used with Flash (or rather, pure ActionScript), but it is a little less convenient than with MXML, where everything is set up by the framework, because it takes more "under the hood" configuration to be able to run all the necessary parts for remoting. And you will still need the Flex SDK, of course - there's no getting around that.
Once you have the Flex SDK set up with your Flash IDE, you have to manually initialize the Flex remoting classes needed before you can access a BlazeDS service. There is a sample class that has all the required calls and some additional information in this blog post.
I have also written an extensive tutorial about getting RemoteObject wired up and working, as well as setting up a simple "Hello World" web service on my blog. The article series I wrote is intended for use with FDT and RobotLegs 2, but at least the first part (setting up a Java WAR project to deploy as web service) should be helpful to you, nonetheless.
Finally, I would recommend you rethink using Flash as your primary IDE - in my experience, it... well, frankly, it sucks (pardon my French) for anything but animations and setting up asset libraries. If you don't want to pay for a better IDE, you should consider using FlashDevelop (unless you're on a Mac - OS X is not supported). Or maybe give FDT a try - it is much, much more convenient for coding, even if you don't buy the Max license.
Redmond has a good idea occasionally:
The next-gen Windows will come with a new programming foundation, letting developers build native apps with the same techniques they use for Web applications. Microsoft calls this new variety "tailored apps."
There is always a steep learning curve for developing GUIs; each new toolkit you learn is different enough that it takes a lot of time and effort and frustration. Thus developing in HTML with CSS begins to look very appealing: it's much easier and much more portable; and with HTML 5 and CSS 3, it is very powerful.
Is there any support yet on Ubuntu (or even better, a cross-platform toolkit) for developing native applications that use HTML/CSS for the GUI? To minimize overhead, I do not want to start a full browser session. (That's not very good desktop integration.) I am particularly interested in answers for native JavaScript or Python 3, but any language would be alright (easier to learn a new language than a new GUI toolkit, in my book).
Edit: I have found this page, but have not had time to read it all or test it. It linked to Python XULRunner, but again I have no previous knowledge of it.
This was asked on Ask Ubuntu back in August of 2011.
In summary, the options are:
SeedKit
The JavaScript bindings for GNOME.
There are more options, but those are the two "big ones".
You can write native apps in HTML/CSS and Javascript using node-webkit, is an app runtime based on Chromium and node.js, you can use node.js modules into your apps. it's available on Linux, Mac OSX and Windows
I would like to add QtWebKit to the list. It's like SeedKit with better support.
I'm using it personally on a project where we have native (C++) code for the data layer, business logic and the presentation layer is done via HTML5 and heavy use of JavaScript. As far as I know Qt can be used with python as well so perhaps you could use it for all the business logic.
i'm here to ask a general question about Extjs or any other web related technologies....
i found out that it is impossible to parse xml without the help of any webservice.....
so i would like to know about the pro's and cons about these kind of technologies specifically sencha.
whats the best feature you find intresting about this technology and also the worst thing...
ExtJS, SmartClient, YUI, MooTools, etc are all rich Internet application (RIA) frameworks that allow you to integrate at the JavaScript and/or Google Web Toolkit levels. I have generally seen ExtJS and SmartClient compared most frequently. I have used SmartClient myself and one reason I did was because of the licensing differences between the two.
The biggest advantage of something like ExtJS or SmartClient is that they allow you to focus on building a data-driven service that easily integrates with their rich set of widgets. This allows you to focus on your data and simply leverage their flexible, cross browser-ish, slick looking web GUI controls.
In my opinion, it's a great time saver and browser robustness advantage. You can combine these with things like JQuery, etc. In fact, you can use ExtJS and SmartClient together if you like. (although most people won't)
There's a data package in ExtJS & Sencha Touch that allows you to easily bind client apps to JSON, YQL, XML datasources.
You should probably take a look at the documentation for the data.* part of the ExtJS library: http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.XmlStore and this area is further improving in the forthcoming EXT JS 4
I searched for Java based web application frameworks the last few days. I have to build a Java EE backend and a HTML5/CSS3/JavaScript frontend which can be accessed with multi-touch capable devices. So I will need modern JavaScript frameworks like Sencha Touch.
My backend should be built upon with Java EE, Hibernate and MySQL. I have two kinds of data transfer: AJAX / JSON so the page does not need to be reloaded and pages and normal pages which reload the page by sending a form with POST (or do you think to have more the feeling as a application I should do all stuff with AJAX/JSON?).
I found several web application frameworks:
JavaSever Faces
Apache Wicket
Spring MVC
handle it only with jar files for JSON (and REST)
Google Web Toolkit
What do you think will fit best? Perhaps you can exclude one of them, that would also be great, so I can take a closer look at the remaining technologies.
Best Regards, Tim.
Interesting question.
Concerning exclusion: If you use a JS framework like Sencha Touch in the frontend I don't see the sense in using something like GWT which is for frontend-code generation.
I would probably stick with a more lightweight framework like http://www.playframework.org/.
You get your data from the backend and then hand it via JSON over to your frontend code i.e. sencha, sproutcore, cappuccino, gwt or what you choose to use.
Let me know what you choose :-)