Programming Java 2Micro Edition on Symbian OS A Comprehensive Guide

This book is not just about MIDP 2.0. Instead, we will show developers how to get the best out of the latest generation of Symbian OS phones, by providing a practical, in-depth guide to programming J2ME on these devices. In addition to a thorough discussion of MIDP, we have also included an in-depth exposition of all the optional J2ME APIs that can be found on phones such as the Sony Ericsson P900 and Nokia 6600.

Java 2 Micro Edition (J2ME) Programming on Symbian OS

1. Overview

This book, Programming Java 2 Micro Edition on Symbian OS, delves deeply into MIDP 2.0 (Mobile Information Device Profile) and provides a practical guide to help developers fully leverage the latest Symbian OS phones for J2ME development. In addition to covering MIDP, the book also details optional J2ME APIs available on devices like the Sony Ericsson P900 and Nokia 6600.

2. MIDP 2.0: The Core Platform for Mobile Applications

MIDP 2.0 is a core configuration of J2ME, designed for mobile devices to support various applications and services such as games, enterprise applications, and personal information management tools. The book thoroughly explains MIDP 2.0 in the following areas:

• Architecture and Components: Introduces the basic architecture and key components of MIDP 2.0, including network connections, user interfaces, and storage management.
• API Breakdown: Detailed analysis of MIDP 2.0 APIs covering input handling, graphics rendering, multimedia support, and more.
• Practical Examples: Provides examples showing how to develop feature-rich mobile applications using MIDP 2.0.

3. Optional J2ME APIs: Enhancing Mobile Application Functionality

To further enhance the functionality and user experience of mobile applications, J2ME offers several optional APIs. These APIs are pre-installed on certain Symbian OS devices, including:

• Bluetooth API: For wireless communication between devices.
• Location API: Supports GPS and other location-based technologies.
• File Connection API: Improves access to the file system.
• Multimedia API: Enables audio and video playback and recording features.

4. Symbian OS Features and Optimization Tips

This book also emphasizes Symbian OS-specific topics, such as:

• Performance Optimization: Techniques for optimizing applications to run efficiently on limited hardware resources, including memory management and code efficiency.
• System Integration: How to seamlessly integrate applications with Symbian OS, utilizing system services and event mechanisms.
• Compatibility Considerations: Addresses the differences between various Symbian OS versions and offers solutions for cross-version compatibility.

5. Case Studies and Best Practices

• Real-World Case Studies: Detailed analysis of practical applications to demonstrate how to use MIDP 2.0 and optional APIs to solve real-world problems.
• Development Process: A complete guide from requirements analysis to deployment, including testing strategies and deployment methods.
• Best Practices: A compilation of best practices from years of development experience.

6. Appendices and References

• Appendices: Practical technical reference documents, such as class libraries and API documentation.
• References: Recommended books and online resources for further learning and exploration.

7. Conclusion

Programming Java 2 Micro Edition on Symbian OS is a comprehensive manual for developers, helping them master efficient J2ME development on the Symbian OS platform. Whether you're a beginner or an experienced developer, this book offers invaluable knowledge and hands-on experience. While the technologies discussed may not be mainstream today, they provide important historical context and understanding of early mobile application development.