有谁知道如何为您的iOS相机应用程序设置弱光增强？这是我拥有的代码，但无法使其正常工作。letbackCamera=AVCaptureDevice.defaultDevice(withMediaType:AVMediaTypeVideo)do{trybackCamera?.lockForConfiguration()if(backCamera?.isLowLightBoostSupported==true){backCamera?.automaticallyEnablesLowLightBoostWhenAvailable=true}backCamera?.unlockForConfi