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usb-serial-for-android: Android USB Host Serial Library
An open-source Android library providing robust USB host serial communication support for various devices including CDC, FTDI, and Arduino. Simplify interactions with external hardware from your Android applications.
Java
Added on 2025年7月4日5,261
Stars1,639
ForksJava
LanguageProject Introduction
Summary
This library bridges the gap in Android's USB host capabilities by providing a complete, easy-to-use solution for communicating with devices connected via USB serial adapters or built-in USB serial functionality. It abstracts away the complexities of the USB protocol and individual chipset variations.
Problem Solved
Android's native USB host API provides low-level access but lacks built-in, user-friendly support for standard USB serial protocols, making it complex for developers to communicate with common serial devices like microcontrollers, sensors, and industrial equipment directly from an app.
Core Features
Wide Chipset Compatibility
Supports a wide range of popular USB serial chipsets like CDC ACM, FTDI, Prolific PL2303, and Silabs CP210x, enabling compatibility with many devices.
Easy-to-Use API
Provides a high-level API that simplifies connecting to, sending data to, and receiving data from USB serial devices within an Android app.
Automated Device Management
Handles USB permissions and device discovery automatically, reducing boilerplate code required in your application.
Tech Stack
Android
Java
Kotlin
USB Host API
使用场景
The library is applicable in various scenarios where an Android device acts as the host to communicate with serial-enabled USB devices:
Scenario 1: Android as Arduino Controller/Data Logger
Details
An Android tablet or phone connects to an Arduino or other microcontroller via USB cable to send commands or receive sensor data.
User Value
Enables building custom Android dashboards or control interfaces for microcontroller projects.
Scenario 2: Connecting to Commercial Serial Peripherals
Details
An Android app communicates with a USB serial barcode scanner, RFID reader, or other peripheral in a point-of-sale (POS) or inventory management system.
User Value
Facilitates integrating standard USB serial peripherals into custom Android business applications.
Scenario 3: Industrial Automation & Monitoring
Details
Use an Android device to configure or monitor network devices, industrial equipment, or other systems that provide a console or management interface via USB serial.
User Value
Provides a portable interface for setup, diagnostics, and data acquisition from field equipment.
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