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from kivy.app import App
from kivy.uix.screenmanager import ScreenManager, Screen
from kivy.properties import NumericProperty
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
<CustomScreen>:
hue: random()
canvas:
Color:
hsv: self.hue, .5, .3
Rectangle:
size: self.size
Label:
font_size: 42
text: root.name
Button:
text: 'Next screen'
size_hint: None, None
pos_hint: {'right': 1}
size: 150, 50
on_release: root.manager.current = root.manager.next()
Button:
text: 'Previous screen'
size_hint: None, None
size: 150, 50
on_release: root.manager.current = root.manager.previous()
BoxLayout:
size_hint: .5, None
height: 250
pos_hint: {'center_x': .5}
orientation: 'vertical'
Button:
text: 'Use SlideTransition with "up" direction'
on_release: root.manager.transition = \
SlideTransition(direction="up")
Button:
text: 'Use SlideTransition with "down" direction'
on_release: root.manager.transition = \
SlideTransition(direction="down")
Button:
text: 'Use SlideTransition with "left" direction'
on_release: root.manager.transition = \
SlideTransition(direction="left")
Button:
text: 'Use SlideTransition with "right" direction'
on_release: root.manager.transition = \
SlideTransition(direction="right")
Button:
text: 'Use SwapTransition'
on_release: root.manager.transition = SwapTransition()
Button:
text: 'Use WipeTransition'
on_release: root.manager.transition = WipeTransition()
Button:
text: 'Use FadeTransition'
on_release: root.manager.transition = FadeTransition()
Button:
text: 'Use FallOutTransition'
on_release: root.manager.transition = FallOutTransition()
Button:
text: 'Use RiseInTransition'
on_release: root.manager.transition = RiseInTransition()
Button:
text: 'Use NoTransition'
on_release: root.manager.transition = NoTransition(duration=0)
''')
class CustomScreen(Screen):
hue = NumericProperty(0)
class ScreenManagerApp(App):
def build(self):
root = ScreenManager()
for x in range(4):
root.add_widget(CustomScreen(name='Screen %d' % x))
return root
if __name__ == '__main__':
ScreenManagerApp().run()
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