long press to save image in stagewebview ???????

hello there ,

i have an issue and it seems like i couldnt find a soultion for it

when using safari for iphone or browser in android devices , when long pressing a image on any webpage an options appear to save

the image or else. But this option list are not showing in stagewebview in air application ???

does any one have any idea on how to make long press to save image function in stagewebview because it looks like its not working at all

thanks