<WDCardFieldDelegate> Protocol Reference

This protocol allows a delegate to be notified when a payment text field's contents change. More...

#import <WDCardField.h>

Inheritance diagram for <WDCardFieldDelegate>:

Collaboration diagram for <WDCardFieldDelegate>:

Public Instance Methods
(void)	- cardField:didChangeState:
	Called when either the card number, expiration month/year or security code changes. More...
Public Instance Methods inherited from <NSObject>
(NSString *)	- description
(NSUInteger)	- hash
(BOOL)	- isEqual:

Detailed Description

This protocol allows a delegate to be notified when a payment text field's contents change.

It can be used to take further actions depending on the validity of its contents.

Method Documentation

- (void) cardField:		(nonnull WDCardField *)	cardField
didChangeState:		(WDCardFieldState)	state

Called when either the card number, expiration month/year or security code changes.

At this point, one can call WDCardField.valid on the text field to determine, for example, whether or not to enable a button to submit WDCardPayment.

Parameters

cardField	the field that has changed
state	the cardField state