Lightning talk by Hu Shunjie of Seesmic

1. Building RIA -
Comparison between Google GWT
and Adobe Flex
shinchi@seesmic.com
Hu Shunjie
Developer at Seesmic.com
+
Founder of The Actionscript Conference

2. Quick background on
Seesmic...

3. •
Quick background on
Seesmic...
http://gwtgallery.appspot.com/

4. Quick background of
me
• Join in as Flex developer + run
the Singapore Flex Usergroup
• Now become GWT developer

5. Building RIA -
Comparison between Google GWT
and Adobe Flex
Development Perspective
User Perspective

6. Tools
Eclipse w
Flex Builder Plugin
Eclipse w
GWT Plugin
MXML / Actionscript
CSS for Style / Effect
Java
CSS for Style / Effect
Good for beginners Higher learning curve

7. Effects / Animation
Better Rendering Engine Basic Animation with
GWT-FX
Bitmap Handling Basic Drag and Drop with
GWT-DnD
Win -
but really depends on
application type

8. Server interaction
Building in HTTP Services
Use of Restlet for effective
PUT / DELETE / GET / POST
Can use JSON-P with JQuery
Require JSON-P in some case
Build in RPC services
Use AMF for RPC services
Tie

9. Debugging
Flash Player Debugging GWT Hosted Browser
Support for breakpoints,
variables watching
Support unit testing
Support build automation
Tie

10. Compiled into SWF Compiled into obfus’d JS
Can be deploy as
web/desktop
web / offline with Google
gears support
Deployment
Lack for mobile support Working for IPhone

11. User Perspective
Memory Issues Good Memory Handling
Works across browsers Glitches on...IE..
Different Look and Feel Web App Look and Feel

12. Coming Next..
Flex 4 GWT 2.0
Flash Catalyst
Advance with Flash
Player
Optimization
Code Splitting
Advance with HTML

13. You also might be
interested in..
• 1st SG-Google Tech User Group meeting (next week) google for
“SG-GTUG”
• The Actionscript Conference 2009 (http://tac.sg) (14-15th
September)
shinchi@seesmic.com