Tkinter GUI Application Development Blueprints

Managing continuous updates

Next, we will update the position of the seek bar knob and the elapsed play duration, as shown in the following screenshot:

This is nothing but a simple form of Tkinter-based animation.

The most common pattern of animating with Tkinter involves drawing a single frame and then calling the same method using the after method of Tkinter, as follows:

    def animate(self):
       self.draw_frame()
       self.after(500, self.animate)

Note

Once called, this function will keep updating frames once every 500 milliseconds. You can also add some conditions to break out of the animation loop.

Now that we know how to manage animations in Tkinter, let's ...