---
title: "Extras"
url: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni"
source_url: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni.md"
canonical: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni"
last_modified: "2026-05-23T12:56:20+02:00"
language: "en"
---

# Extras

[View source](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni.md)

These optional extras allow you to integrate specific features from the library:

* [Use CreateSpecialTender to start Alipay transactions](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni/start-alipay-and-wechat-pay-transactions-jni)
* [Handle the Dynamic Currency Conversion (DCC) callback](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni/handle-dynamic-currency-conversion-jni)
* [Handle the PED Exception Callback](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni/handle-the-ped-exception-callback-jni)
* [Retrieve transaction information from the TxStoreReport Object](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni/get-transaction-data-from-txstorereport-jni)
* [Use showScreen to display a screen on a large screen terminal (MX925)](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni/display-a-screen-on-a-large-screen-terminal-jni)
* [Start gift card transactions with CreateSpecialTender](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/extras-jni/start-gift-card-transactions-jni)