take photo with both cameras like frontback
问题 I am working on an app in which I am using camera. How can we take photo using both cameras like Frontback and DuoCam at the same time on the same screen ? 回答1: This is called as RearCam & FrontCam You can use it like if (_imagePicker.cameraDevice == UIImagePickerControllerCameraDeviceFront) _imagePicker.cameraDevice = UIImagePickerControllerCameraDeviceRear; else _imagePicker.cameraDevice = UIImagePickerControllerCameraDeviceFront; where _imagePicker -> an instance of the