import kivy
kivy.require('1.10.1')
from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button
class Tela-1 (BoxLayout):
def on_press_bt(self):
janela.root_window.remove_wigdet(janela.root)
janela.root_window.add_wigdet(Tela2())
def __init__(self, **kwargs):
super(Tela1, self).__init__(**kwargs)
self.orientation = 'vertical'
bt1 = Button(text='Click')
bt1.on_press = self.on_press_bt
self.add_widget(bt1)
self.add_widget(Button(text='bt2'))
self.add_widget(Button(text='bt3'))
class Tela-2 (BoxLayout):
def on_press_bt(self):
janela.root_window.remove_wigdet(janela.root)
janela.root_window.add_wigdet(Tela1())
def __init__(self, **kwargs):
super(Tela2, **kwargs).__init__(**kwargs)
self.orientation = 'vertical'
bt = Button(text='Click')
bt.on_press = self.on_press_bt
self.add_widget(bt)
class Principal(App):
def build(self):
return Tela1()
janela = Principal()
janela.run()