iPhone 相机光圈快门卡在关闭位置

iPhone 相机光圈/快门卡在关闭位置的原因及解决方法

swift
import AVFoundation
func checkApertureAndShutterClosed() {
    let captureSession = AVCaptureSession()
    let device = AVCaptureDevice.default(for: .video)
    
    do {
        let input = try AVCaptureDeviceInput(device: device!)
        captureSession.addInput(input)
    } catch {
        print("Error: Failed to initialize AVCaptureDeviceInput")
    }
    
    captureSession.startRunning()
    
    if device?.isAdjustingExposure == true {
        print("Aperture and shutter are open")
    } else {
        print("Aperture and shutter are closed")
        adjustExposure()
    }
}
func adjustExposure() {
    // 在这里实现调整曝光的逻辑
    // 可以尝试增加环境光线或调整对焦等方法
}