opencv with jni

Opencvtest.java

package com.test.opencv;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

public class Opencvtest extends Activity {
    /** Called when the activity is first created. */
	public native void setimage();
	static{
		System.loadLibrary("imagefea");
	}
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        TextView tv = new TextView(this);
        long StartTime = System.currentTimeMillis();
        setimage();
        long ProcessTime = System.currentTimeMillis() - StartTime;
        tv.setText(String.valueOf(ProcessTime));
        setContentView(tv);
    }
}