Start Alipay and WeChat Pay transactions

Class

Name	Description
`MerchantPed`	Extends `AdyenPed`. Class used to implement all PIN entry device (PED) functionality.

Special tender parameter

Name	Type	Description
`specialTender`	SpecialTender	Holds tender attributes.

Use the SpecialTenderBuilder to create the SpecialTender object:

SpecialTender.SpecialTenderBuilder(merchantAccount,
                merchantReference,
                "payment",
                "alipay",
                currency,
                amount)
                .tenderOptions(tenderOptions)
                .specialOptions(specialOptions)
                .build();

Use put to set special options

Name	Description
`specialOptions.put`	Allows you to add a special option as a key value pair.

Add special options parameters to the specialTender using the specialOptions.put method.

Name	Type	Required	Description
`cardNumber`	String		The scanned number from the wallet app (to be provided only for Flow 3: Cash register scans Shopper barcode)
`forceEntryMode`	String		The entry mode for the transaction. In this case, use the value "Keyed".

specialOptions.put("cardNumber", "60362821657200117610");

Instantiate special tender options

Name	Type	Description
`specialOptions`	SpecialOptions	Holds tender attributes.

Parameters

Name	Type	Description
`transactionType`	String	Type of transaction. `TransactionType` takes the following value: payment
`paymentMethodType`	String	The type of payment method, in this case wallets. `PaymentMethodType` takes the following values: Pass "alipay" for an Alipay transaction. Pass "wechatpay_pos" for WeChat Pay transaction.
`shopperReference`	String	Shopper identification (used for omnichannel digital customer recognition).
`shopperEmail`	String	Shopper identification (used for omnichannel digital customer recognition).
`merchantAccount`	String	The transaction reference provided by the Merchant (reported in the Adyen payments platform).
`merchantReference`	String	The transaction reference provided by the Merchant (reported in the Adyen payments platform).
`currency`	long	The transaction currency.
`amount`	String	The transaction amount in minor units (100 is 1.00 with EUR). The Amount field should be a strong typed field with a string for currency code and a number (long) for the minor digits value (similar to the current API (of the terminal)).
`specialOptions`	SpecialTenderOptions	Holds tender attributes. cardNumber forceEntryMode
`handleReceipt`	Boolean	Specifies that the POS handles and prints receipts. If omitted, it is required that the PED prints the receipt. If there is no printer unit, the transaction will fail.

Instantiate specialOptions by assigning it to the result of the SpecialTender getter specialtender.getSpecialOptions()

SpecialOptions specialOptions = specialTender.getSpecialOptions();

Call the method

Name	Description
`runSpecialTenderSync`	Creates a tender using a number of attributes.

ped.runSpecialTenderSync(specialTender);

Determine the current and final tender state

Adyen provides a method to determine the current, or final, tender state. For more information, see Determine the current and final tender state - JNI.

Callbacks

Name	Description
`progressCallback`	Reports the progress on a running tender
`tenderPrintReceiptCallback`	Returns the receipt for printing, and requests that the POS confirms it has received the receipt.
`finalCallback`	When the system finishes processing the tender, it triggers the final state callback.