flutter_singbox_client 1.0.1

Flutter plugin for Sing-box — VPN/proxy apps with TUN tunneling, kill switch, split tunneling, and Clash API on Android.

Changelog

1.0.1 — 2026-05-12

• Add dartdoc comments to all public API elements
• Fix dart analyze warnings: unused parameter, unused variable, missing braces, missing const, deprecated RadioListTile usage, unnecessary string interpolation
• Fix pub.dev issues: rename LICENSE.md → LICENSE, rename docs/ → doc/, add license, repository, and issue_tracker fields to pubspec.yaml
• Fix screenshot URLs in README to use absolute raw GitHub paths (visible on pub.dev)

1.0.0 — 2026-05-12

Initial release.

Features

• VPN Mode — Full device-wide TUN tunnel via Android VpnService with automatic route management
• Proxy Mode — HTTP/SOCKS proxy without a TUN device, no VPN permission required
• Config Validation — Go core validation and JSON formatting via checkConfig() and formatConfig()
• Hot Reload — Reload config without restarting the service or dropping existing connections
• Kill Switch — Block all traffic at the OS level when the tunnel is down (API 26+)
• Per-App Proxy — Include or exclude specific apps from the tunnel (split tunneling, VPN mode only)
• System Proxy — Register HTTP inbound as device-wide proxy on Android Q+ (API 29+)
• Live Traffic Stats — Real-time upload/download speeds and session totals at ~1 Hz
• Connection Tracking — Full per-connection metadata, lifecycle events, and close control
• Outbound Groups — Live outbound group state with URL latency testing and manual selection
• Clash API — Runtime mode switching and outbound group control
• Live Logs — Real-time Go core log streaming with per-level filtering
• Fault Alerts — Dedicated fault stream for actionable service errors
• Memory Limits — Go runtime soft memory cap (GOMEMLIMIT) with optional connection kill
• STUN Test — NAT type detection, external IP, and latency measurement in three sequential phases
• Network Quality Test — Download/upload speed and requests-per-minute measurement
• Boot Auto-start — Boot broadcast relay so apps can reconnect after device restart
• Zero Persistence — No database, no shared preferences, no file I/O for user data in the Dart layer

Platform Support

Platform	Status
Android (API 23+)	✅
iOS	🔧 In Development
macOS	🔧 In Development
Windows	🗓 Planned
Linux	🗓 Planned

Sing-box Core

Bundled with Sing-box 1.14.0-alpha.20 via gomobile-generated libbox.aar.