September 2000
Intermediate to advanced
608 pages
12h 59m
English
book
WAP Development with WML and WMLScript
by Ben Forta, Keith D. Lauver, Paul Fonte, Robert M. Juncker, Amy O'Leary, Ronan Mandel, Dylan Bromby
Content preview from WAP Development with WML and WMLScript
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Dialogs Library
The Dialogs library contains functions used to create user dialogs.
alert
Description: Allows you to send message text to the user's device. Once the user confirms receipt of the message, an empty string is returned.
Syntax: Dialogs.alert(message)
Example: The following code expects a string input. It checks the length of the string, and if it is fewer than 8 characters, the message "Login must be longer than 8 chars" is displayed on the device screen:
// Check login length
if(String.length(login) > 8 ){
// Too short, ask again
Dialogs.alert("Login must be longer than 8 chars"):
}
confirm
Description: Allows you to send a message to the user's device. The user is given two selection options, ok or cancel (the text for each is ...
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