1. Introduction to Mobile Web Applications
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Manoj Kumar Sarma
Assistant Professor
Dept. of Computer Science & Engineering
Royal School of Engineering & Technology, Guwahati-35

2. Types of Mobile Devices
Handheld devices/Tablets
Handheld computers
Personal Digital Assistants
Palmtops
Smartphones

3. Pocket PC Phone

4. iPhone Blackberry Storm

5. Archos 5 Internet Tablet
Motorola DROID
Archos 5 Internet Tablet

6. 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
named after a robot in Bladerunner

7. HCL ME Tablet

8. Sony Tablet

9. Mobile Devices – The Good
Always with the user
Typically GPS capable
Typically have accelerometer
Many apps are free or low-cost

10. 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

11. Mobile Applications What are they? Types
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

12. 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?
HTC Zero is the first Android device that supports Flash
iPhone does not support Flash
Adobe has software that allows developers to convert Flash into iPhone apps
BREW: Binary Runtime Environment Wireless
Proprietary mobile device platform developed by Qualcomm.Development
language is C with C++ interfaces.
Certification and development process is expensive.

13. 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.

14. xCode IDE & iPhone Emulator

15. Eclipse and Android Emulator