WAP Development with WML and WMLScript

Chapter 14. Best Practices

• Design Philosophies

• Creating a Usable WAP Application

• Differences in WML Implementations

• Differentiating Based on USER_AGENT

Building applications for wireless devices requires thinking about the Web in a new way. Instead of assuming that end users have a minimum of a 14-inch display and a 28.8Kbps modem, you are constrained much further. Today's devices that are enabled with a WAP browser and rely on circuit-switched data can achieve data transfer rates at a maximum of 9600 baud. Additionally, most devices can only accept decks that fit in a single packet smaller than 1400 bytes and do not perform any packet reassembly. Today's limitations are based not only on the network's speed but also on the phones themselves. ...