best proceed transition between twin images uiimageview


i have implemented graceful rudimentary settlement spectator grant user crop by collection images. hallowed internet, displayed device by uiimageview object. something this:



uiimage *image = [[uiimage alloc] initwithdata:imagedata];
[img setimage:image];


imagedata an instance nsdata i bucket essence settlement an url, img uiimageview instance.



it works well, nonetheless new settlement replaces being displayed before but any transitions, i wondering there an easy proceed good animation transition provoke user experience.



any thought this? formula samples unequivocally appreciated.



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