Correct way to implement loading popup in kivy app
问题 I have a kivy app, in which when a button is pressed, it starts communicating with the server and based on information obtained, it creates and fills the screen with widgets. Some actions are almost instant, some take considerable time in seconds. I want to implement a loading popup that is shown while the screen loads. I would also like to do it so that when loading takes less time than some configured time period, lets call it MIN_TIME, the popup does not show at all. Moreover, if the