ios - How to use SDWebImage in my project -


iam using collectionview load image.these images loaded url in background thread. hence scrolling not smooth.the images in url expired after seconds hence want update image new image.how can use sdwebimage load image , make scrolling smooth? can please me solve this.

use code 

[your_cell_name.your_image_name setimagewithurl:[nsurl urlwithstring:@"image url"] placeholderimage:[uiimage imagenamed:@"placeholder image name"]];

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