title: android fast load image from url
body: <p>i want load about 50 image into listview<br>
  this is my code for load image from url</p>
  
  <pre><code>class ImageDownloader extends AsyncTask&lt;String, Void, Bitmap&gt; {
      ImageView bmImage;
  
      public ImageDownloader(ImageView bmImage) {
          this.bmImage = bmImage;
      }
  
      protected Bitmap doInBackground(String... urls) {
          String url = urls[0];
          Bitmap mIcon = null;
          try {
              InputStream in = new java.net.URL(url).openStream();
              mIcon = BitmapFactory.decodeStream(in);
          } catch (Exception e) {
              Log.e("Error", e.getMessage());
          }
          return mIcon;
      }
  
      protected void onPostExecute(Bitmap result) {
          bmImage.setImageBitmap(result);
      }
  }
  </code></pre>
  
  <p>but image load slow.<br>
  and I try use Picasso library, but loading speed slow too<br>
  how a better solution to load lot of image from url faster.<br>
  sorry for my bad English<br>
  thank you for reading</p>