AirBridge

A single app that connects Windows PCs with Android phones and tablets — no accounts, no cloud, no command lines.

Features

Feature	Description	Status
File Transfer	Instant wireless transfer over local Wi-Fi	Planned
Phone as Floating Window	Mirror and control Android phone on PC	Planned
Tablet as Second Monitor	Extend Windows desktop wirelessly to tablet	Planned

Requirements

Windows

• Windows 10 22H2 or later (Windows 11 recommended)
• .NET 8 Runtime
• Windows App SDK 1.5+

Android

• Android 8.0 (API 26) or later
• Wi-Fi connection on the same network as the PC

Architecture

Windows App (WinUI 3 / C#)          Android App (Kotlin)
  ├── AirBridge.App    ◄─── mDNS ──► app/
  ├── AirBridge.Core               ├── core/
  ├── AirBridge.Transport          ├── transport/
  ├── AirBridge.Transfer           ├── transfer/
  └── AirBridge.Mirror             ├── mirror/
                                   └── display/

All communication is local network only (Wi-Fi). No data leaves your network. No account required.

Development Setup

Windows

cd windows
dotnet restore
dotnet build AirBridge.sln
dotnet test

Android

cd android
./gradlew assembleDebug
./gradlew test

Branch Strategy

Branch	Purpose
main	Stable releases only
dev	Integration — all features merge here first
feature/windows-transport	Windows network layer
feature/android-transport	Android network layer
feature/pairing-flow	Device pairing & security
feature/file-transfer	File transfer engine
feature/screen-mirror	Phone mirroring & tablet display

Documentation

• Architecture & decisions
• Protocol specification
• Changelog