안드로이드 imageview에 url의 이미지 보여주기

private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
    ImageView bmImage;

    public DownloadImageTask(ImageView bmImage) {
        this.bmImage = bmImage;
    }

    protected Bitmap doInBackground(String... urls) {
        String urldisplay = urls[0];
        Bitmap mIcon11 = null;
        try {
            InputStream in = new java.net.URL(urldisplay).openStream();
            mIcon11 = BitmapFactory.decodeStream(in);
        } catch (Exception e) {
            LogUtil.e("Error", e.getMessage());
            e.printStackTrace();
        }
        return mIcon11;
    }

    protected void onPostExecute(Bitmap result) {
        bmImage.setImageBitmap(result);
    }
}

new DownloadImageTask((ImageView) findViewById(R.id.iv_myimage))
        .execute(AppDefine.APP_USER.getImage_url());

<ImageView
    android:id="@+id/iv_myimage"
    android:layout_width="120dp"
    android:layout_height="match_parent"
    android:layout_marginLeft="5dp"
    android:layout_marginRight="5dp"
    android:layout_alignTop="@+id/tv_myname"
    android:layout_marginBottom="10dp" />