four_fingerprint 1.0.5

Contactless slap fingerprint capture plugin — 4-4-2 sequencing, minutiae extraction, and matching via phone camera.

Changelog

All notable changes to this project will be documented in this file.

1.0.5

• Fix lfs_detect_minutiae_V2 parameter types — wrong pointer types caused build failures on Linux.
• Add free() calls for NBIS allocated maps after minutiae extraction.
• Suppress _BSD_SOURCE deprecation warning in NBIS headers.

1.0.4

• Rebuild libfour_fingerprint.so with real NIST NBIS MINDTCT (minutiae extraction) and BOZORTH3 (matching).
• Remove unused OpenCV SDK (~819 MB) — code never used it.
• Trim NBIS to essential directories only.
• Add android/CMakeLists.txt for ffiPlugin: true compatibility.
• Pin NDK version and restrict ABI to arm64-v8a.
• Downgrade AGP from 9.0.1 to 8.1.0 for stability.
• Fix compileSdk 36 → 35.

1.0.2

• Ship prebuilt libfour_fingerprint.so for Android arm64-v8a.
• Remove CMake externalNativeBuild from Android build — no more compiling OpenCV/NFIQ2/NBIS during user builds.
• Add heuristic fallbacks for NBIS/NFIQ2 wrappers when real libraries are unavailable.
• Fix missing global variable definitions (g_countdown_active, g_countdown_remaining, g_ring_mode).

1.0.1

• Fix missing native library build configuration for Android.

1.0.0

• Initial release.
• 4-4-2 slap capture sequencing.
• Burst capture with NFIQ2-style best-frame selection.
• Minutiae extraction and BOZORTH3-inspired matching.
• ISO/IEC 19794-2 export.
• Encrypted storage via flutter_secure_storage.