bouncing_widget.py

from kivy.app import App
from kivy.lang import Builder
from kivy.clock import Clock
from kivy.animation import Animation

# Makes a widget bounce around the screen
kv = """
<AnimatedMenu@GridLayout>:
    cols: 2
    spacing: 10,
    padding: 10,
    canvas.before:
        Color:
            rgb: 1,1,1
        Rectangle:
            size: self.size
            pos: self.pos
    Button:
        text: "NO"
    Button:
        text: "YES"

FloatLayout:
    AnimatedMenu:
        id: animated_widget
        size_hint: .5, .2
        top_hint: 1
        right_hint: 1
        pos_hint: {"top": self.top_hint, "right": self.right_hint}
    
    
"""

kv = Builder.load_string(kv)

class MainApp(App):
    def build(self):
        return kv

    def on_start(self):
        Clock.schedule_interval(self.animate, 5)

    def animate(self, *args):
        anim = Animation(top_hint=0.2, transition='in_out_bounce')
        anim += Animation(right_hint=0.5, transition='in_bounce')
        anim += Animation(top_hint=1, transition='out_bounce')
        anim += Animation(right_hint=1, transition='in_out_circ')
        anim.start(self.root.ids.animated_widget)

MainApp().run()