public static Bitmap getBitmapFromServer(String imagePath) {

    HttpGet get = new HttpGet(imagePath);
    HttpClient client = new DefaultHttpClient();
    Bitmap pic = null;
    try {
        HttpResponse response = client.execute(get);
        HttpEntity entity = response.getEntity();
        InputStream is = entity.getContent();

        pic = BitmapFactory.decodeStream(is);   // 關鍵是這句代碼 

    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return pic;
}

 public static Bitmap getBitmapFromServer(String imagePath) {

  HttpGet get = new HttpGet(imagePath);
  HttpClient client = new DefaultHttpClient();
  Bitmap pic = null;
  try {
   HttpResponse response = client.execute(get);
   HttpEntity entity = response.getEntity();
   InputStream is = entity.getContent();

   pic = BitmapFactory.decodeStream(is);   // 關鍵是這句代碼

  } catch (ClientProtocolException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
  return pic;
 }

imageView.setImageBitmap(bitmap);