Introduction to Google Web Toolkit

Google Web Toolkit Introduction Didier Girard – girard.d@sfeir.com 2008

Content ,[object Object],[object Object],[object Object],[object Object]

Demonstrations ,[object Object]

GWT is MDI compatible * ,[object Object],*MDI : Multiple Document Interface

GWT is simple ,[object Object]

GWT cuts costs ,[object Object]

GWT is offline compatible ,[object Object]

GWT, better ergonomic http://swissmiss.typepad.com/weblog/2007/11/task-clips.html Web 1.0 GWT

GWT applications are efficient ,[object Object]

Ajax : Partial update of the screen ,[object Object]

Ajax : Asynchronous updates ,[object Object]

Ajax : Rich Widgets ,[object Object]

Ajax : Better scalability ,[object Object],[object Object],Data Base Data Application GUI+Business + Session

At first, Ajax is really cool ,[object Object],[object Object],[object Object]

But, what about… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The solution – First step ,[object Object],[object Object],[object Object]

The solution – Second step ,[object Object]

GWT manifest ,[object Object],[object Object],[object Object],[object Object]

The approach ,[object Object],[object Object]

Architecture Browser IE, Firefox, Safari, Opera RWA in Java Java Runtime Library java.lang java.util Java.io GWT GUI Library GWT Compiler Application code Panels Popup Stack Absolute Vertical … Widgets Button MenuBar Radio Tree Check Table TextArea … . Javascript Application GWT Runtime 100Ko

Widgets : « 100% java » ,[object Object],http://code.google.com/webtoolkit/examples/kitchensink/

History support ,[object Object],[object Object],[object Object],[object Object]

RPC Support (JSON/XML-RPC) ,[object Object],[object Object]

I18N/L10N support ,[object Object]

Absolute Panel ,[object Object],[object Object],[object Object]

Javascript integration ,[object Object],[object Object],[object Object],public static native void alert(String msg) /*-{ $wnd.alert(msg); }-*/;

Optimization ,[object Object],[object Object],[object Object],[object Object]

Good scalability ,[object Object],[object Object]

Tools ,[object Object],[object Object]

GWT : THE Community ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

GWT 1.4, faster, faster, faster ,[object Object],[object Object],ClippedImage timeIcon = new ClippedImage("icons.png", 22, 0, 22, 22); http://roberthanson.blogspot.com/2007/02/gwt-clippedimage-optimizing-image.html

GWT Gears ,[object Object],[object Object],[object Object],[object Object],Google Confidential

GWT : summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Think differently! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Google Confidential

A language is behind the other ,[object Object],[object Object],[object Object],Google Confidential

Misc ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Google Confidential

You must used java on the server ,[object Object]

Compiled javascript is impossible to debug ,[object Object],[object Object],[object Object]

GWT Widgets ? Bof…. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Google Confidential

GWT are heavy ,[object Object],[object Object]

GWT is HTML incompatible ,[object Object],[object Object]

GWT are applets ,[object Object],[object Object]

GWT is not free ,[object Object],[object Object]

Ressources GWT : http://code.google.com/webtoolkit/ Forum : http://groups.google.com/group/Google-Web-Toolkit GWT Blog : http://googlewebtoolkit.blogspot.com/ onGWT, Tracking news on GWT : http://www.ongwt.com/

SFEIR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Google Confidential

Conclusion GWT, c’est facile, efficace et beau ! Merci à l’équipe GWT, Merci à la communauté, Merci à Google !

Introduction to Google Web Toolkit

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