There is no option in villager trade window to complete the trade. Nothing you click on or touch will complete the trade
Comments 2
Cleaning up old tickets: This ticket has not been updated recently (~1 year+) so is being closed as Cannot Reproduce. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines.
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1. Please confirm that you don't have any other resource packs active at the same time, perhaps in Global Resources.
2. Several iOS users are having problems with UI elements being partially cut off at the top and bottom of the screen. Are you having any problems like that? If so, it might be that the Trade button is present but is off the screen.