when i build this demo i got this error in this for importing

[Darasaini]

import com.opencv.camera.CameraConfig;
import com.opencv.camera.NativePreviewer;
import com.opencv.camera.NativeProcessor;
import com.opencv.camera.NativeProcessor.PoolCallback;
import com.opencv.jni.image_pool;
import com.opencv.opengl.GL2CameraViewer;

import org.nzdis.cv.jni.Processor;
import org.nzdis.cv.jni.cameraview;

I am using ubuntu.. How to install OpenCV in that for android.i am installed opencv but this error comes..
how to import above lib or api....