The docs say the progressBlock is called on a background queue, so when doing UI, we need to dispatch on the main queue * @param progressBlock  A block called while image is downloading * @note the progress block is executed on a background queue
The docs say the progressBlock is called on a background queue, so when doing UI, we need to dispatch on the main queue
* @param progressBlock  A block called while image is downloading
* @note the progress block is executed on a background queue

dreampiggy/SDWebImage,Insfgg99x/SDWebImage,odyth/SDWebImage,smule/SDWebImage,dreampiggy/SDWebImage,zhang-yawei/SDWebImage,dpettigrew/SDWebImage,iheartradio/SDWebImage,tualatrix/SDWebImage,rs/SDWebImage,awkward/SDWebImage,altrooz/SDWebImage,awkward/SDWebImage,awkward/SDWebImage,dreampiggy/SDWebImage