OrderData orderData = new OrderData(); // Foloosi Order Data Model Class Instance
orderData.setOrderAmount(Double.parseDouble(amount)); // in double format ##,###.##
Random rand = new Random();
int orderId = rand.nextInt(100000);
orderData.setCustomColor("#ab34fd"); // make payment page loading color as app color.
orderData.setOrderId(String.valueOf(orderId)); // unique order id.
orderData.setOrderDescription("Mobile Phone"); // any description.
orderData.setCurrencyCode(currencyCode);
orderData.setCustomerUniqueReference(""); //Customer Unique Reference value should be email/mobile no/uniqueCustomer id from your DB
Customer customer = new Customer();
customer.setName("name");
customer.setMobile("1234567890");
orderData.setCustomer(customer);