Android調試openCV4Android的時候出現如下錯誤java
java.lang.UnsatisfiedLinkError: No implementation found for long org.opencv.core.Mat.n_Mat() (tried Java_org_opencv_core_Mat_n_1Mat and Java_org_opencv_core_Mat_n_1Mat__)
緣由是由於沒有加載openCV4Android的庫,須要動態加載,在須要用到的activity中添加以下代碼:ide
@Override protected void onResume() { super.onResume(); if (!OpenCVLoader.initDebug()) { Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization"); OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback); } else { Log.d(TAG, "OpenCV library found inside package. Using it!"); mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS); } }
//openCV4Android 須要加載用到 private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) { @Override public void onManagerConnected(int status) { switch (status) { case LoaderCallbackInterface.SUCCESS: { Log.i(TAG, "OpenCV loaded successfully"); // mOpenCvCameraView.enableView(); // mOpenCvCameraView.setOnTouchListener(ColorBlobDetectionActivity.this); } break; default: { super.onManagerConnected(status); } break; } } };