Barcode Scanner

Rare Earth Juejin Tech Community

May 19, 2025 · Mobile Development

Integrating Serial Port, USB, Printers, and Input Devices in Android Applications

This article provides a comprehensive guide for Android developers on how to connect and use serial ports, USB peripherals, printers, barcode scanners, payment boxes, keyboards, and mice, including required permissions, configuration steps, and sample Kotlin/Java code snippets for each device type.

AndroidBarcode ScannerJava

0 likes · 14 min read

Integrating Serial Port, USB, Printers, and Input Devices in Android Applications

Rare Earth Juejin Tech Community

Mar 3, 2024 · Frontend Development

Handling Barcode Scanner Input Issues with Chinese IME in Web Applications Using Vue and Element UI

This article analyzes why barcode scanners lose characters under Chinese input methods, proposes two mitigation strategies—including a keydown‑event listener and a readonly password‑input workaround—and provides a complete Vue/Element‑UI component implementation to reliably capture scanner data without triggering IME or browser autofill.

Barcode ScannerChinese IMEElement UI

0 likes · 10 min read

Handling Barcode Scanner Input Issues with Chinese IME in Web Applications Using Vue and Element UI