If I cache an image from internet, does that mean if the internet is disconnected, tihe image can still be loaded? What is the goodness of caching?
Yes, avoiding unnecessary reloading of images.
It's obvious that you don't have to load the images every time, if it was already loaded and cached before internet disconnects then it will use the cached images to show. Otherwise error image can be shown in case loading fails or internet disconnects.
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