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How do I selectively invalidate cached gallery images?

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linux-howto

http://stackoverflow.com – I have a gallery widget in my Android application, displaying images of cars (it's not really cars, but cars works as an example). The gallery shows one model of car per item in the gallery, so we might have a gallery like: Ford Model T Porsche 911 Ford Mustang When the user long presses on an item in the gallery, they can select a new image for the car in question — so if the user long presses on the Ford Mustang image, they see a new gallery of pictures of Ford Mustangs, and they can pick the image that they actually want to see in the main gallery (maybe they want to see a red one (HowTos)