How to make the mobile phone camera automatically press the shutter

If you use a vivo phone, the way to start the camera countdown (time-lapse photography) is to enter the camera-"?" In the upper right corner. -Countdown, set the number of seconds to delay taking photos.

Note: If the mobile phone does not support camera countdown (time-lapse photography), you can download third-party camera software (such as Meitu Xiu Xiu) to use this function.