PayPal Mobile Express Checkout Library - 2012 iOS Podręcznik Użytkownika Pobierz pdf (Strona 16)

16 January 2011 PayPal Mobile Express Checkout Library Developer Guide and Reference

Sample Code

The sample code in this section comes from sample application code included with the download

of Mobile Express Checkout Library. Get the download of the library from x.com/mobile.

Library Header File

The library header file, PayPal.h, includes the following definitions.

#import <UIKit/UIKit.h>

...

Use the following protocol to implement your own delegate class. Your class receives device

tokens from the library when your code attempts to fetch a device token.

@protocol DeviceReferenceTokenDelegate <NSObject>

@required

- (void)receivedDeviceReferenceToken:(NSString *)token;

- (void)couldNotFetchDeviceReferenceToken; @end

Use the following interface to access features of the Mobile Express Checkout Library.

@interface PayPal : NSObject <UIWebViewDelegate> {

@private

BOOL initialized; //whether the PayPal object is initialized.

BOOL paymentsEnabled;

NSString *appID;

NSString *lang;

PayPalEnvironment environment;

NSString *errorMessage;

NSMutableArray *payButtons;

id<DeviceReferenceTokenDelegate> delegate;

}

@property (nonatomic, retain) NSString *lang;

@property (nonatomic, retain) NSString *errorMessage;

@property (nonatomic, retain) NSMutableArray *payButtons;

@property (nonatomic, readonly) NSString *appID;

@property (nonatomic, readonly) BOOL initialized;

@property (nonatomic, readonly) BOOL paymentsEnabled;

@property (nonatomic, readonly) PayPalEnvironment environment;

+ (PayPal*)getInstance;

- (void)fetchDeviceReferenceTokenWithAppID:(NSString const *)inAppID

forEnvironment:(PayPalEnvironment)env

withDelegate:(id<DeviceReferenceTokenDelegate>)del;

- (void)fetchDeviceReferenceTokenWithAppID:(NSString const *)inAppID

withDelegate:(id<DeviceReferenceTokenDelegate>)del;

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PayPal Mobile Express Checkout Library - 2012 iOS Podręcznik Użytkownika Strona 16