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Developing Applications for Portable Devices

Developing Applications for Portable Devices. Phil Denoncourt III Director of Technology Luna Systems Corporation. Outline. Technology and Terminology Designing Applications Developing Applications. Technology & Terminology. History Operating Systems

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Developing Applications for Portable Devices

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  1. Developing Applications for Portable Devices Phil Denoncourt III Director of Technology Luna Systems Corporation

  2. Outline • Technology and Terminology • Designing Applications • Developing Applications

  3. Technology & Terminology • History • Operating Systems • Windows CE 1.0 – Gray scale, limited memory • Windows CE 2.0 – Full Color, more memory & features • Windows CE 3.0 – Current version on devices today • Windows CE.NET – Devices are being developed for this OS, none seem to be released yet. • Software • Pocket PC – Comes with most devices. Includes Pocket Word, Excel & Outlook and a mini browser.

  4. Technology & Terminology • Types of Devices • Pocket PC (PPC) – Fits in a pocket, longer than wider • Hand held PC (HPC) – ½ laptop • Smartphone – Windows CE on a portable phone • Auto PC – Car radio running Windows CE. Appears to be discontinued

  5. Designing Applications • Physical Limitations • Screen size is small • Usually no Hard drive • Memory is limited • usually between 16-32 megs for programs & data • Not always an Internet connection • Difficult for user to key in text

  6. Designing Applications • Design Factors • Can’t provide user with way to end app. • Application will be closed when OS needs memory • Must save user information immediately • Must provide an undo feature • Controls must be as small as possible • Abbrevate captions & use tooltips • Must use Pocket Outlook for all contact functions

  7. Developing Applications • Windows CE 3.0 • eMbedded Visual Tools 3.0 • Visual Basic & C++ • Visual Basic is weak • Doesn’t support creating activex controls • Doesn’t support classes • Test using emulator or actual device

  8. Developing Applications • ADOCE • Allows you access to CE databases • Object model similar to ADO • No command object • Not an easy way to create databases • SQLCE • If your client has a license for SQL Server, they can install it on their PDA • Uses replication to talk to a full SQL Server

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