我正在尝试使按钮单击 on_release: app.proximo () 具有转到下一张卡片 MDFloatLayout 的操作，但我没有得到它，有人可以帮助我如何工作吗？
在 main.py 文件下方，启动应用程序的位置，main.kv 文件，主应用程序在哪里，最后是dashboard.kv 文件，我在应用程序内调用我的卡
from kivymd.app import MDApp
from kivy.lang import Builder
from kivy.uix.screenmanager import Screen
class DashBoard(Screen):
pass
class FirstScreen(Screen):
pass
class Lavanderia(MDApp):
def build(self):
self.title="Texto Titulo"
self.theme_cls.primary_palette = "LightBlue"
return Builder.load_file("main.kv")
def proximo(self):
self.root.ids.carousel.load_next(mode="proximo")# Próximo Card
def fecharApp(self):
self.stop()# Fecha Aplicativo
Lavanderia().run()
#:import rgba kivy.utils.get_color_from_hex
#: include dashboard.kv
#: include firstscreen.kv
NavigationLayout:
id: nav_layout
ScreenManager:
Screen:
BoxLayout:
orientation:'vertical'
MDToolbar:
title: app.title
elevation:10
left_action_items:[["menu", lambda x: nav_drawer.set_state()]]
ScreenManager:
id: screen_manager
DashBoard:
id:dashboard
name:"dashboard"
FirstScreen:
id:first_screen
name:"first_screen"
MDNavigationDrawer:
id: nav_drawer
BoxLayout:
orientation:'vertical'
padding:"8dp"
spacing:"8dp"
Image:
pos_hint:{"x":.24,"y":.0}
size_hint: None, None
size:dp(146), dp(158)
source:"images/logo.png"
ScrollView:
MDList:
OneLineIconListItem:
text:"Tela 1"
on_release:
screen_manager.current = "dashboard"
nav_drawer.set_state()
IconLeftWidget:
icon:"dishwasher"
OneLineIconListItem:
text:"Tela 2"
on_release:
screen_manager.current = "first_screen"
nav_drawer.set_state()
IconLeftWidget:
icon:"dishwasher"
<DashBoard>:
MDFloatLayout:
MDCard:
size_hint: dp(.45), dp(.8)
pos_hint:{"center_x": .5, "center_y": .5}
Carousel:
id:carousel
MDFloatLayout:
MDTextField:
hint_text:"Texto 1"
size_hint_x:dp(.8)
pos_hint:{"center_x": .5, "center_y": .48}
MDRaisedButton:
text: "Proximo"
size_hint_x:dp(.8)
pos_hint:{"center_x":.5,"center_y":.2}
on_release: app.proximo() # Proximo step
MDFloatLayout:
MDLabel:
text:"Texto Final Conclusão"
theme_text_color:"Custom"
bold:True
pos_hint:{"center_x":.68,"center_y":.5}
font_style:"H5"
MDRaisedButton:
text: "Fechar Aplicativo"
text_color:rgba("#00FF69")
size_hint_x:dp(.8)
pos_hint:{"center_x":.5,"center_y":.4}
md_bg_color:rgba("#333333")
on_release: app.fecharApp() #fechar Aplicativo