showAuthPage

The Alipay+ client SDK calls the showAuthPage API to display the authorization page for the user to proceed with the authorization.

Method signature

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NS_ASSUME_NONNULL_BEGIN
@protocol MPPAlipayPlusClientAutoDebitProtocol <NSObject>
- (void)showAuthPage:(MPPSignContractOAuthServiceParams *)params
             completionHandler:(void(^)(MPPSignContractOAuthServiceResult * _Nullable result, NSError * _Nullable error))completionHandler;
@end
NS_ASSUME_NONNULL_END

Request parameters

Item	Type	Description	Required
params	MPPSignContractOAuthServiceParams	Parameters that are required to render the authorization page.	M
completionHandler	iOS block	The callback to be invoked after the authorization process ends. See completionHandler for details.	M

completionHandler

Item	Type	Description	Required
result	MPPSignContractOAuthServiceResult	The authorization information that is required if the authorization is successful.	O
error	NSError	The error that is required if the authorization fails.	O

Response parameters

N/A

Sample

Definition of YOUR_AUTODEBIT_SERVICE_CLASS:

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@interface YOUR_AUTODEBIT_SERVICE_CLASS: NSObject <MPPAlipayPlusClientAutoDebitProtocol>
- (void)showAuthPageWithParams:(MPPSignContractOAuthServiceParams *)params
             completionHandler:(void(^)(MPPSignContractOAuthServiceResult * _Nullable result, NSError * _Nullable error))callback;
@end

@implementation YOUR_AUTODEBIT_SERVICE_CLASS
- (void)showAuthPageWithParams:(MPPSignContractOAuthServiceParams *)params
             completionHandler:(void(^)(MPPSignContractOAuthServiceResult * _Nullable result, NSError * _Nullable error))callback; {
  
  //Open the authUrl
  
  //Callback when user confirms authorization
  callback(result, nil);

  }
@end

Instance of YOUR_AUTODEBIT_SERVICE_CLASS:

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#import <MPPAlipayPlusClientAutoDebit/MPPAlipayPlusClientAutoDebit.h>

[AlipayPlustClient shared].autoDebitService = YOUR_AUTODEBIT_SERVICE_CLASS.new