Returns true if the current download has been canceled or if there was no download in progress on this image view. Returns false if the download in pr

Adds this bitmap to the cache. @param bitmap The newly downloaded bitmap.

Same as download but the image is always downloaded and the cache is not used. Kept private at the moment as its interest is not clear.

@param imageView Any imageView @return Retrieve the currently active download task (if any) associated with this imageView. null if

@param position The URL of the image that will be retrieved from the cache. @return The cached bitmap or null if it was not found.

Allow a new delay before the automatic cache clear is done.

Clears the image cache used internally to improve performance. Note that for memory efficiency reasons, the cache will automatically be cleared after

Actual download method.

Once the image is downloaded, associates it to the imageView