The isBackHardWired method provides information on whether the Back function, which calls the last page visited, can be executed with a fixed key or has to be defined and programmed with a soft key.

The individual device types provide the user with varyingly customized keys for operating the application. Not all WAP-enabled devices have a fixed key for the Back function.

With a soft key, which is displayed by a label in the menu bar at the bottom of the screen, you can assign a function to a key. The function is assigned to the key using the WML tag <do> and executed by pressing this key.

The WML code for assigning the Back function to a key is:

The isBackHardWired method returns a Boolean value. The value for true means that the Back function is assigned to a key. In this case, the <do> tag is not required.