事实证明,它非常简单:
_currentDevice.lockForConfiguration(nil)_currentDevice.focusPointOfInterest = tap.locationInView(self)_currentDevice.unlockForConfiguration()

事实证明,它非常简单:
_currentDevice.lockForConfiguration(nil)_currentDevice.focusPointOfInterest = tap.locationInView(self)_currentDevice.unlockForConfiguration()