Android

Universal SDK Documentation (Android)

The Android edition of the MagTek Universal SDK (MTUSDK), which brings MagTek SCRA and PIN Pad SCRA devices — including the DynaFlex family — into a single AAR library for Android apps. Use the sections below to set up the SDK, connect to and control a device through the Core API, subscribe to device events, and look up classes, enumerations, and reference appendices.

In This Section

Reference Section	Information Available
Introduction	Overview of the SDK and the MagTek devices it supports, with system requirements and how to install the certificate chain for connecting to a DynaFlex II PED over WLAN.
How to Set Up the SDK	Instructions for adding the MTUSDK AAR library to an Android Studio project and preparing it for first use.
Core API	The SDK's main entry point — how to create and work with a device instance and reach the interfaces used to operate it.
IDevice	The primary device interface for opening and closing a connection and sending commands to a MagTek device.
IDeviceCapabilities	Methods for querying which features and capabilities a connected device supports.
IDeviceControl	Operations for controlling a connected device and driving its command set.
ConnectionInfo	The connection parameters used to locate and connect to a device (transport, address, and related settings).
DeviceInfo	Identifying details reported by a connected device, such as model, serial number, and firmware version.
iDeviceConfiguration	Settings used to read and apply a device's configuration.
Classes	Alphabetical reference for the SDK's data and result classes (Classes A–I and N–Z).
IEventSubscriber Delegates	Callback delegates for subscribing to asynchronous device events, such as connection changes and transaction progress.
IConfigurationCallback Delegates	Callback delegates that report the results of device configuration operations.
IMQTTDeviceStatusCallback Delegates	Callback delegates for receiving device status updates delivered over MQTT.
ISystemStatusCallback Delegates	Callback delegates for receiving system-level status updates from the SDK.
Enumerations	Reference for the SDK's enumerated types (device and transaction states, card types, option flags).
Appendices	Supporting reference — status codes, an API walk-through, EMV transaction flow, and Apple/Google mobile-wallet VAS.

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