Picasso is a powerful image downloading and caching library package which you include in your app build. It simplifies working with images, reducing the code that you need to use to one line of code.
Picasso is fast and easy to use.
Picasso takes care of all your image processing for you. It can also download images.
We're using the Picasso Library in one of our tutorials. If you need help loading the library into your Android Studio project, then here's a quick tutorial for you.