Android Picasso

官网：

http://square.github.io/picasso/

How to retrieve Bitmap with Picasso ?

http://stackoverflow.com/questions/20181491/use-picasso-to-get-a-callback-with-a-bitmap

Picasso框架实战演练:

http://blog.csdn.net/a1002450926/article/details/50437469 分析的至关好！

使用Picasso加载图片的内存优化实践

http://blog.csdn.net/ashqal/article/details/48005833

picasso缓存位置：

http://www.th7.cn/Program/Android/201507/515383.shtml

原做者的系列介绍：

https://futurestud.io/blog/picasso-image-resizing-scaling-and-fit

.resize(6000, 2000)

.onlyScaleDown() // the image will only be resized if it's bigger than 6000x2000 pixels.

Picasso和Glide的对比：

http://blog.csdn.net/fancylovejava/article/details/44747759