AVCaptureSessionControlsDelegate
因此,当出现self.cameracontrofolofcusslider时,我必须显示出晶状体位置的当前价值。镜头位置可以从自动焦点以及使用应用UI的用户手动焦点变化。有没有办法查看自我。 请注意,我将在最终代码中拥有多个
final func sessionControlsDidBecomeActive(_ session: AVCaptureSession) {
print ("sessionControlsDidBecomeActive")
}
final func sessionControlsWillEnterFullscreenAppearance(_ session: AVCaptureSession) {
print ("sessionControlsWillEnterFullscreenAppearance")
}
final func sessionControlsWillExitFullscreenAppearance(_ session: AVCaptureSession) {
print ("sessionControlsWillExitFullscreenAppearance")
}
final func sessionControlsDidBecomeInactive(_ session: AVCaptureSession) {
print ("sessionControlsDidBecomeInactive")
}
。
AVCaptureSlider