I pretty new in iOS development, and I want to develop an application that needs a little information about face of user (like hasSmile, bound of face or mouth position) every minute when user is using his phone. I know that apple restrict the use of camera in backgroung thread becouse it is not safety and requires a lot of battery power. But I do not need a photo and I do not need to constantly use the camera. Pleace could you tell me it is possible or not? I’m looking answer everywhere but cant find anything. Thank you so much in advance!
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