How do I dynamically get and set the width and height of the ImageView?

Package com.pic;

Import android.app.Activity;
Import Android.os.Bundle;
Import Android.util.Log;
Import Android.view.ViewGroup.LayoutParams;
Import Android.widget.ImageView;

public class Pictest extends Activity {
Private final String TAG = "Pictrue Test!!!";
Private ImageView image;
private int height = 0;
private int width = 0;


@Override
public void OnCreate (Bundle savedinstancestate) {
Super.oncreate (savedinstancestate);
Setcontentview (R.layout.main);

Image = (ImageView) Findviewbyid (R.ID.IMAGEVIEW01);
Height = image.getheight ();
width = Image.getwidth ();
LOG.D (TAG, "Height:" + height);
LOG.D (TAG, "width:" + width);


Layoutparams para;
Para = Image.getlayoutparams ();

LOG.D (TAG, "layout height0:" + para.height);
LOG.D (TAG, "layout width0:" + para.width);

Para.height = 300;
Para.width = 300;
Image.setlayoutparams (para);

LOG.D (TAG, "layout height:" + para.height);
LOG.D (TAG, "layout width:" + para.width);

}
}