How to download more images in Android Application?

I am new to Android. Which i开发者_如何学编程s the better way to download more than 10 images from web service very quickly and while downloading i want to show a progress dialog and after downloading i want to dismiss the progress dialog. Can anyone send me the related information to this.

The simplest approach is to use the AsyncTask class. It makes it very easy to run long operations, whilst updating the UI, but without locking up the app.

It's worth considering whether to download the images in series (one after another) or in parallel (with several AsyncTask objects for example). Doing them all at once will be faster, but will likely affect the phone performance and the network availability for other apps.