Power of BlazeDS
Recently, I found out that Adobe has released BlazeDS (subset of LiveCycleDS) that has 4 main advantages:

AS3 to Java object communication (no XML passes back and forth is needed!)
Boost up performance b/c AMF is a binary protocol
Built-in proxy support that gets around the cross domain security issue from Flex in ease.
Allow push messaging

I [...]

Continue reading " Flex Remoting and Session Management "

Get started
Follow the steps below to get your first Flex salesforce app up in Salesforce.

Register a developer edition account from Salesforce. Note: Dev account never expires but the account does come with a few limitations. You can only have two users, one an admin account so that you can build and install applications and the [...]

Continue reading " Power up Salesforce UI via Flex "

When you come to the world of offline/disconnected application, you will hear the new buzzwords - AIR and Gear. Before I talked about these technologies, I want to talk about what problem we are trying to solve first. What we need an application to be able to function offline? First, Internet access is not everywhere. [...]

Continue reading " Adobe AIR vs Google Gear "

Open up FDS?
Adobe announced that it will open source the strip down version of LiveCycle Data Service called BlazeDS. From what I heard, BlazeDS provides AMF3 remoting without data management and its data push solution is not so scalable as LCDS. (features comparsion chart). The reason is that BlazeDB still uses the blocking [...]

Continue reading " Flex Remoting - AMF "

E4X is similar to XPath that is used to manipulate the structural xml in a scripting language. Here are some examples:
Delete node from XML
<root>
<level>
<detail></detail>
</level>
<level>
<detail></detail>
</level>
</root>
I want to make a copy of this XML (could be either of the three types of XML objects) and remove the <detail> nodes from every node no matter that hiarchy they [...]

Continue reading " Flex - Power of E4X "

Since I am leading the reporting team in Adconion, I would like to spend sometime on the new component “Advanced Data Grid” from Flex 3. Being excited to know that this component has added many cool features on top of the DataGrid, I would like to find out whether it meets all my needs. Before [...]

Continue reading " Flex 3 - Advanced DataGrid "

Introduction 
The SharedObject class functions like a browser cookie. You use the class to store data on the user’s local hard drive and call that data during the same session or in a later session. Below are the keys of using SharedObject:

Applications can only access their own SharedObject data, and only if they are running on [...]

Continue reading " Flex - Store data in client via SharedObject "

This is great application to demonstrate the power of Flex
http://www.richapps.de/flexsources/richtube/richtube.html

Continue reading " RichTube - Flex-based Youtube! "

Use FlexUnit to do the job
Getting Started with FlexUnit - Darron Schall
Using FlexUnit with Ant  - Peter Martin
Advanced ActionScript 3 with Design Patterns Book  - Chapter 1
Unit testing and TDD for Flex and ActionScript 3.0 - Neil Webb
FlexUnit reference doc

Continue reading " How to unit test your Flex? "

There are 2 ways that you can do to export data out from the datagrid.

You can format the data and write it to TextArea where users can use the mouse to highlight and use Ctrl+C to copy it.
You can send the formatted data back to server and the server-side script like servlet will return the [...]

Continue reading " How to Export Data out from Flex Datagrid? "