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Introduction to Mobile Computing. An Overview of Mobile Devices and Developing Mobile Applications. Dr. Frank McCown Harding University Spring 2010. Types of Mobile Devices. Handheld devices Handheld computers Personal Digital Assistants Palmtops Smartphones. Pocket PC Phone.

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introduction to mobile computing

Introduction to Mobile Computing

An Overview of Mobile Devices and Developing Mobile Applications

Dr. Frank McCown

Harding University

Spring 2010

types of mobile devices
Types of Mobile Devices
  • Handheld devices
  • Handheld computers
  • Personal Digital Assistants
  • Palmtops
  • Smartphones
pocket pc phone
Pocket PC Phone

blackberry storm
Blackberry Storm


archos 5 internet tablet
Archos 5 Internet Tablet

Motorola DROID

google nexus one
Google Nexus One
  • Retail: $530
  • Not tied to single provider
  •  3.7-inch 800 x 400-pixel OLED screen
  • No support for multitouch
  • 512 MB of built-in flash memory
  • Preloaded 4 GB SD card
  • Ubiquitous voice recognition
  • 5-megapixel camera with zoom and flash
  • Navigation system using Google Maps and GPS

mobile devices the good
Mobile Devices – The Good
  • Always with the user
  • Typically GPS capable
  • Typically have accelerometer
  • Many apps are free or low-cost
mobile devices the not so good
Mobile Devices – The Not-So-Good
  • Limited screen size and colors
  • Limited battery life
  • Limited processor speed
  • Limited and slow network access
  • Limited or awkward input: soft keyboard, phone keypad, touch screen, or stylus
  • Limited web browser functionality
  • Often inconsistent platforms across devices
  • Warning: Blackberry thumb
mobile applications
Mobile Applications
  • What are they?
    • Any application that runs on a mobile device
  • Types
    • Web apps: run in a web browser
      • HTML, JavaScript, Flash, server-side components, etc.
    • Native: compiled binaries for the device
native app development environments
Native App Development Environments
  • Java ME
  • .NET Compact Framework (C++, C#, VB.NET) for Windows Mobile
  • Qualcomm’s BREW (C or C++)
  • Symbian (C++)
  • BlackBerry (Java)
  • Android (Java)
  • iPhone (Objective-C)
  • Is having so many choices a good thing?
development environments
Development Environments
  • Most platforms have an SDK that you can download and build against
  • Every platform has an emulator that you can use to test your apps
  • Most emulators are configurable to match a variety of mobile devices
    • Various screen sizes, memory limitations, etc.
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xCode IDE & iPhone Emulator