ImageDownloader is a demo application that demonstrates how to download/save an image from a given URL in Android with different possibilities:

• Using an own implementation called BasicImageDownloader
• Using Android's built-in DownloadManager
• Using Picasso
• Using Volley
• Using Unversal Image Loader
• Using Fresco

Make sure you have read my related StackOverflow post with some explanations.

All of my code in this project goes into the public domain. As for the used libraries, their corresponding licenses apply. Check the License document for more info.