WirecardMobileServices

//End of SDK Setup process
CurrentUserCompletion setupCompletion = ^( WDMerchantUser * _Nullable currentUser, WDMerchantCashier * _Nullable cashier, NSError * _Nullable error){
    //Current User is returned upon successful login
    //if the Cash Management is enabled and Cashier record exist for the current user then the Cashier is returned also
};

// The SDK is initialized as shared instance so can be accessed
// from multiple View Controllers
WDePOS *sdk = [WDePOS sharedInstance];

WirecardMobileServices

import java.math.BigDecimal;
import java.util.Arrays;
import java.util.List;

import de.wirecard.epos.EposSDK;
import de.wirecard.epos.model.inventory.ProductStockUpdate;
import de.wirecard.epos.model.with.With;
import de.wirecard.epos.model.with.WithFields;
import io.reactivex.android.schedulers.AndroidSchedulers;

WirecardMobileServices

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;

import de.wirecard.epos.EposSDK;
import de.wirecard.epos.model.sale.builder.ModifyPurchaseRequest;
import de.wirecard.epos.model.sale.sales.SaleItem;
import de.wirecard.epos.model.sale.sales.SaleItemType;
import de.wirecard.epos.model.with.With;
import de.wirecard.epos.model.with.WithBase;

WirecardMobileServices

// End of Modify process
let completion: SaleUpdateCompletion = { (sale: WDSaleResponse?, error: Error?) in
    // sale - Failed sale detail
    // error - if encountered during the Modify process
}

let saleMaintain = WDSaleMaintain.init(originalSaleId: "Sale ID", items: [], amount: NSDecimalNumber.one, inclusiveTaxes: true, note: "Text to append to original note", version: NSDecimalNumber.zero)
//Version should be the latest from the original sale. An unmodified sale will have version zero

// Sale Modify - This operation is available only for the Sale in the Unconfirmed status.

WirecardMobileServices

// End of Modify process
SaleUpdateCompletion completion = ^(WDSaleResponse* _Nullable sale, NSError* _Nullable error){
    // sale - Modified sale detail
    // error - if encountered during the Modify process
};

WDSaleMaintain *saleMaintain = [[WDSaleMaintain alloc] initWithOriginalSaleId:@"Sale ID"
                                                    items:[NSArray new]
                                                   amount:NSDecimalNumber.one
                                           inclusiveTaxes:YES

WirecardMobileServices

//End of SDK Setup process
CurrentUserCompletion setupCompletion = ^( WDMerchantUser * _Nullable currentUser, WDMerchantCashier * _Nullable cashier, NSError * _Nullable error){
    //Current User is returned upon successful login
    //if the Cash Management is enabled and Cashier record exist for the current user then the Cashier is returned also
};

// The SDK is initialized as shared instance so can be accessed
// from multiple View Controllers
WDePOS *sdk = [WDePOS sharedInstance];

WirecardMobileServices

let sdk:WDePOS = WDePOS.sharedInstance()

// Create the instance of the Sale Request
// Here the minimum data is depicted
let saleRequest:WDSaleRequest! = WDSaleRequest.init(uniqueId: "yourSaleUniqueID", // provide your unique ID to identify the Sale
    location: nil, // provide the GPS location for this payment e.g. the mobile device location
    inclusiveTaxes: true, // Tax inclusive/exclusive flag
    currency: "EUR", // Currency to use for this Sale
    note: "Test Sale", // Top level note for this sale
    gratuityTaxRate: nil // Gratuity tax rate - nil if no gratuity to be set later in the payment flow

WirecardMobileServices

import com.jakewharton.rxrelay2.BehaviorRelay;
import com.jakewharton.rxrelay2.Relay;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;

import de.wirecard.epos.EposSDK;
import de.wirecard.epos.model.sale.builder.ReferenceCaptureRequest;
import de.wirecard.epos.model.sale.builder.ReferenceTerminalAuthorizationRequest;

WirecardMobileServices

import de.wirecard.epos.EposSDK;
import de.wirecard.epos.model.sale.builder.CancelRequest;
import de.wirecard.epos.model.with.With;
import de.wirecard.epos.model.with.WithBase;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.schedulers.Schedulers;

//initialize your param
String originalSaleId; // SaleId of Sale you would like to Cancel

WirecardMobileServices

import de.wirecard.epos.EposSDK;
import de.wirecard.epos.model.sale.builder.FailRequest;
import de.wirecard.epos.model.with.With;
import de.wirecard.epos.model.with.WithBase;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.schedulers.Schedulers;

//initialize your params   
String originalSaleId; // Sale ID, you would like to put into Failed state