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VisualAge started out as a demonstration prototype I wrote using Digitalk Smalltalk/V. The idea was to make something like the NeXT interface builder in Smalltalk as an adjunct to the Smalltalk IDE. For those who are not hip to such things, the Interface Builder, originally a Lisp program before Steve Jobs hired the author, lives on as part of Apple’s XCode tool suite for OS/X for the Mac and the iPhone.

VisualAge started out as a demonstration prototype I wrote using Digitalk Smalltalk/V. The idea was to make something like the NeXT interface builder in Smalltalk as an adjunct to the Smalltalk IDE. For those who are not hip to such things, the Interface Builder, originally a Lisp program before Steve Jobs hired the author, lives on as part of Apple’s XCode tool suite for OS/X for the Mac and the iPhone.

iPhone uses Objective-C -- challenging even for experienced C, C++, and C# programmers.

Many companies first venture into mobile technology is providing BlackBerry e-mail access. Next, they often look to appplications for sales and other field employees, CRM, and business intelligence, such as performane dashboards. In short, mobile applications are integrating with corporate systems and other programs on a much more complex level.

One-fourth of companies are deploying CRM to handhelds,

the reader is encouraged to read previous GNUstep articles, (Linux Journal, April 2003 and March 2004)

GDL2 is a free (LGPL) implementation of EOF, Enterprise Objects Framework. EOF was created by NeXT Computer, Inc. in 1994 as a collection of API to develop efficiently object-oriented database applications using the Objective-C language.

When using EOF, much of the controller's logic described in the previous article now is being managed automatically by EOF. In fact, the application's user interface becomes the View, EOF the controller and database itself, the Model.