To handle the exceptions in symbian we used the cleanup stack mechanism.The Symbian exception mechanism is based on leaving.The most important issue here is the Cleanup Stack. Symbian OS is optimized for low resource usage, and when an unexpected... Read More

NS Basic/Symbian is a complete, easy to use BASIC development environment for Symbian OS devices, with a look and feel similar to Visual Basic. NS Basic/Symbian OS provides a full, modern implementation of BASIC, with proper subroutines, user... Read More

Symbian plays a central role within the wireless market: Symbian's licensees represented over 80% of mobile phone sales in 2002. The importance of this role was underlined by Jorma Ollila, Chairman & CEO of Nokia, when he stated in May... Read More

Symbian does not provide a native emulator that runs on the desktop like Microsoft and Palm do. Symbian's desktop emulator requires that code be compiled by an x86 compiler instead of an ARM compiler. We feel the differences this would... Read More

NS Basic/ Symbian OS runs on all Symbian OS devices based on Symbian S60 3rd & 5th Edition and UIQ3. S60 3rd Edition devices include the Nokia N71, N73, N78, N79, N80, N81, N85, N91, N92, N93, N95, N96, E50, E51, E60, E61, E62, E70, 3250, and... Read More

Our goal in release 1.0 is near perfect running of Palm apps on Symbian OS devices. If we changed the interface, a lot of apps would break or look ugly, as the spacing would be off. We will be adding enhancements to the UI so Palm apps can be... Read More

Not everything is known at this point. Nokia have said it will take 6 months to complete the acquisition and design a new roadmap. We know they are looking at all aspects of their system, from tools to interfaces to the core OS. They have stated... Read More

It's early days for rolled out services, but we're seeing pilots and experimental services being created. For instance "Wireless Java for Symbian Devices" describes the Handheld Travel Assistant, developed by Telenor R&D. This uses... Read More

NS Basic/Symbian OS is designed to appeal to developers with Visual Basic experience, to developers that do not have the time or background to master Carbide.c++ and to experienced programmers that need a RAD environment to quickly produce apps or... Read More

So how do we deliver these new services? In order to achieve a return on their investment, operators and service developers need to create and deploy services and applications rapidly and reliably, and they must target a wide range of devices.... Read More

It's about choosing the right tool for the job. We've talked about the benefits of Java, and for these reasons Java has an important role in creating third party applications and services. C++ is more appropriate where Java may not provide... Read More

The really exciting Java applications and services, including games, will be those that bring together a wide range of resources and bring people together. So a sales application might use a product catalogue, route planning, a time table, and... Read More

The PersonalJava and JavaPhone APIs on Symbian OS provides perhaps the richest Java environment for mobile phones. As an example we might use this capability to create an application for coordinating a meeting: it would use calendar APIs, contacts... Read More

This is a good question. We talked earlier about the business benefits, however there are also important technical reasons to do with: * Robustness * Functionality and platform integration * Performance, both in terms of speed and ... Read More

Well, of course the first tip has to be buy a copy of the book "Wireless Java for Symbian Devices"! This covers the business and technical issues to do with creating, deploying and gaining financial return from developing wireless applications and... Read More

I think the biggest mistake a developer can make is assuming that Java on a mobile phone is just like Java on the desktop. Even though we provide the same or similar APIs, there are many constraints, and of course opportunities, that must be taken... Read More