모서리가 둥근 ImageView 만들기

public class ProfileImageView extends ImageView {
 private int n = 5;
 
 private int rWidth = 0;
 private int rHeight = 0;
 
 public ProfileImageView(Context context) {
  super(context);
  
 }
 
 public void setHeight(int h){
  rHeight = h;
 }
 
 public void setWidth(int w){
  rWidth = w;
 }



 @Override
 protected void onDraw(Canvas canvas) { 
  super.onDraw(canvas);
  float[] outerR = new float[] { n,n,n,n,n,n,n,n };
  RectF   inset = new RectF(5, 5, 5, 5); // 모서리 둥근 사각형 띠의 두께.
        float[] innerR = new float[] { n,n,n,n,n,n,n,n };
  ShapeDrawable mDrawables = new ShapeDrawable(new RoundRectShape(outerR, inset, innerR));
  mDrawables.getPaint().setColor(Color.WHITE);
  mDrawables.getPaint().setAntiAlias(true);
  mDrawables.setBounds(-2,-2,rWidth+1, rHeight+1);
  mDrawables.draw(canvas);
 }
}