Download & Demo

K388Pro Print SDK v2.4.3 — unified Local + BLE entry (UK388PrintLibrary_v2.4.3.jar). Files are under downloads/k388pro/.

Downloads

File	Description	Download
K388Pro_Printer_SDK.zip	SDK v2.4.3 package (SDK/ JAR, DemoCode/, DemoAPK/, Docs/)	Download SDK
k388-printer-sdk-sdk-docs.zip	Offline API docs package (zip; extract and open the HTML in a browser)	Download offline API docs

Package contents

Path	Description
SDK/UK388PrintLibrary_v2.4.3.jar	Print library (Local + BLE)
DemoCode/K388BlePrinterDemo/	Sample Android project
DemoAPK/K388BlePrinterDemo_v2.4.3.apk	Installable demo APK
Docs/k388-printer-2.4.3.html	Offline API documentation (same content as the docs zip)

Usage

1. Unzip K388Pro_Printer_SDK.zip.
2. Add SDK/UK388PrintLibrary_v2.4.3.jar to your app libs/ (or open DemoCode/K388BlePrinterDemo as a reference).
3. Install DemoAPK/K388BlePrinterDemo_v2.4.3.apk on a device to try Local / BLE printing.
4. Online API reference: API Reference.