Kingfisher: ImageTransition not working

[Tarpsvo]

Hi.

I am having trouble getting ImageTransition to work. I have the exact same example that is displayed in the README.

imageView.kf_setImageWithURL(NSURL(string: "your_image_url")!, placeholderImage: nil, optionsInfo: [.Transition(ImageTransition.Fade(1))])

Tried different animations, none of them worked. Also tried different time intervals, didn't help either. The image I am loading from URL is displayed instantly, with no animation.

iOS 9, XCode 7, KingFisher (2.0.2).

[onevcat]

Currently, the image transition will only work when the image is downloaded. Support for forcing transition is in plan but not implemented yet.

Could you please try to clean your cache & try to see whether it works?

[Tarpsvo]

Thank you for clearing that up for me, it does work as intended when I clear the cache. I use Kingfisher to switch between images in a view and sometimes it flashes the view background color before loading the image. Is that an indication of using the disk cache?

Thanks again.

[onevcat]

Maybe this will help? #228

[tooolbox]

Currently, the image transition will only work when the image is downloaded. Support for forcing transition is in plan but not implemented yet.

Just ran into this same behavior; did this never get implemented? Should I do a PR? 😄

[tooolbox]

Funnily enough, I am doing another project and find myself running into this again, and back at this same issue two years later.

...I suppose I should pull up the previous project and find out what I did to get around this 😢

EDIT: Ah! We have .forceTransition now from #317 and it works great! Thank you @onevcat you're awesome!