Android Loaders

Loaders are part of Android since Honeycomb and were added to the support library so they are available on any Android release.
Loaders provide a framework to perform asynchronous loading of data.
They are registered by ID, with a component called the LoaderManager, which allows them to live beyond the life cycle of the Activity they are associated with.
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Picasso

Picasso is a powerful image downloading and caching library for Android.
It saves you time of writing code from scratch to cache, thread, and handle your images.
This is done with only one simple line of code:
Picasso.with(context).load(“http://i.imgur.com/DvpvklR.png”).into(imageView);
Resources, assets, files, content providers are all supported as image sources.

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