# License: CC0, do what you want.

from kivy.app import App
from kivy.properties import NumericProperty
from kivy.uix.screenmanager import ScreenManager, Screen
from kivy.lang import Builder

Builder.load_string('''
#:import random random.random
#:import SlideTransition kivy.uix.screenmanager.SlideTransition
#:import SwapTransition kivy.uix.screenmanager.SwapTransition
#:import WipeTransition kivy.uix.screenmanager.WipeTransition
#:import FadeTransition kivy.uix.screenmanager.FadeTransition
#:import RiseInTransition kivy.uix.screenmanager.RiseInTransition
#:import FallOutTransition kivy.uix.screenmanager.FallOutTransition
#:import NoTransition kivy.uix.screenmanager.NoTransition
#:import Clock kivy.clock.Clock
<ScreenManager>:
    CustomScreen:
        name: 'Screen 0'
    CustomScreen:
        name: 'Screen 1'
    CustomScreen:
        name: 'Screen 2'
    CustomScreen:
        name: 'Screen 3'
    CustomScreen:
        name: 'Screen 4'
<CustomScreen@ButtonBehavior+Screen>:
    hue: random()
    tran:
        [SlideTransition(direction="up"),SlideTransition(direction="down"),
        SlideTransition(direction="left"),SlideTransition(direction="right"),
        SwapTransition(),FadeTransition(),WipeTransition(),FallOutTransition(),
        RiseInTransition(),NoTransition(duration=0)]

    on_release: print('Playing')
    on_release: self.parent.tran = self.tran
    on_release: Clock.schedule_interval(app.animate, 2.0)

    canvas:
        Color:
            hsv: random(), 0.5, 0.3
        Rectangle:
            size: self.size

    Label:
        font_size: 42
        text: root.name
        size_hint: None, None
        size: 100,100
        pos: root.center_x - 50, root.center_y - 50
''')


class ScreenManagerApp(App):
    def animate(self, dt):
            if 'SlideTransition' in str(self.root.tran[0]):
                self.root.tran.reverse()
            self.root.transition = self.root.tran.pop()
            self.root.current = self.root.next()

    def build(self):
        self.root = ScreenManager()
        return self.root

if __name__ == '__main__':
    from kivy.core.window import Window
    Window.size = (450, 450)
    ScreenManagerApp().run()