hand_landmarker 2.1.2 copy "hand_landmarker: ^2.1.2" to clipboard
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PlatformAndroid

A Flutter plugin for real-time hand landmark detection on Android using Google's MediaPipe Hand Landmarker task and a JNI bridge.

Changelog #

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

2.1.2 - 2025-11-03 #

🐛 Bug Fixes #

  • Fixed potential crashes in Android release builds by adding consumer ProGuard rules. This ensures MediaPipe's essential classes are not stripped by R8. (46a978a)

🛠️ Maintenance #

  • Updated camera plugin dependency to version 0.11.3.

📝 Documentation #

  • Added additional examples for plugin usage in README.md.

2.1.1 - 2025-10-27 #

🐛 Bug Fixes #

  • Fixed a java.lang.UnsatisfiedLinkError crash on 32-bit (armeabi-v7a) devices by updating the native MediaPipe tasks-vision dependency to 0.10.26.1. (Fixes #1)

2.1.0 - 2025-07-15 #

✨ Features #

  • Configurable Options: Added the ability to configure the hand landmarker with the following options:
    • numHands: The maximum number of hands to detect.
    • minHandDetectionConfidence: The minimum confidence score for hand detection to be considered successful.
    • delegate: The delegate to use for inference, allowing for selection between CPU and GPU.

2.0.0 - 2025-07-08 #

💥 Breaking Changes #

  • Synchronous API: The plugin's core methods are now synchronous to improve performance. This affects how you create, use, and dispose of the plugin.
    • HandLandmarkerPlugin.create() no longer returns a Future.
    • HandLandmarkerPlugin.dispose() is now synchronous.
    • The detect() method is now a synchronous, blocking call. You must manage how frequently you call it to avoid blocking the UI thread.

✨ Features & Performance #

  • Native Image Processing (BREAKING): Rearchitected the plugin to perform all YUV image conversion natively in Kotlin. This eliminates the Dart background isolate and significantly reduces data transfer overhead for much lower latency. (347f5f1)
  • GPU Acceleration: Enabled the MediaPipe GPU delegate by default to accelerate model inference, resulting in smoother real-time performance. (4749d8c)

1.0.0 #

  • Initial release of the project.
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A Flutter plugin for real-time hand landmark detection on Android using Google's MediaPipe Hand Landmarker task and a JNI bridge.

Repository (GitHub)
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Topics

#hand-tracking #mediapipe #computer-vision #machine-learning #jni

Documentation

API reference

License

MIT (license)

Dependencies

camera, flutter, jni, plugin_platform_interface

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Packages that depend on hand_landmarker

Packages that implement hand_landmarker