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Introduction to Mobile Web Applications

Introduction to Mobile Web Applications. Manoj Kumar Sarma Assistant Professor Dept. of Computer Science & Engineering Royal School of Engineering & Technology, Guwahati-35. Types of Mobile Devices. Handheld devices/Tablets Handheld computers Personal Digital Assistants Palmtops

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Introduction to Mobile Web Applications

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  1. Introduction to Mobile Web Applications 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 http://en.wikipedia.org/wiki/Windows_Mobile http://en.wikipedia.org/wiki/Image:Modern_Pocket_PC.png

  4. Blackberry Storm iPhone http://en.wikipedia.org/wiki/File:Blackberry_Storm.JPG http://www.mobileafrica.net/images/apple-iphone.jpg

  5. Archos 5 Internet Tablet Motorola DROID http://techplore.com/technology/wp-content/uploads/2009/10/archos-5-internet-tablet_1.jpghttp://homebiss.blogspot.com/2009/11/motorola-droid-iphone-3gs.html

  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 http://www.wired.com/reviews/product/pr_nexus_one

  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? • 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?

  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 http://developer.apple.com/iphone/library/referencelibrary/GettingStarted/Creating_an_iPhone_App/index.html

  15. Eclipse and Android Emulator

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