Codes for blog "Using Native OpenCV Code in Android Projects"

CvUtil.java

package com.example.yourapp;

import android.util.Log;

import org.opencv.android.OpenCVLoader;
import org.opencv.core.Mat;

import java.util.ArrayList;

public class CvUtil {
    
    static {
        if (!OpenCVLoader.initDebug()) {
            Log.d("Error", "Unable to load OpenCV");
        } else {
            System.loadLibrary("CvExample");
        }
    }
    
    
    public static ArrayList<float[]> processMat(Mat mat, float threshold) {
        return processMat(mat.getNativeObjAddr(), threshold);
    }
    
    
    public static native ArrayList<float[]> processMat(long matAddr, float threshold);
    
}