没有名称的屏幕

我所有的程序都可以正常工作，并且我被它阻挡了。没有名称的屏幕

我的程序会在主应用程序中加载一些启动器屏幕。
基于用户输入，程序加载完全不同的子应用程序。试图改变屏幕在加载的子应用

这里的时候是哪里出了问题存在的代码发生

问题：

的.py文件：

import kivy 
kivy.require('1.10.0') 

from kivy.app import App 
from kivy.lang import Builder 
from kivy.uix.screenmanager import Screen, ScreenManager, FadeTransition 
from kivy.uix.button import Button 
from kivy.uix.label import Label 

chClass = "" 

class ScreenManage(ScreenManager): 
    pass 

class Home(ScreenManager): 
    pass 

class TitleScreen(Screen): 
    pass 

class GameScreen(Screen): 
    pass 

class ClassScreen(Screen): 
    pass 

class Warrior1(Screen): 

    def GetChClass(self, ch): 
     return ch 

    def build(self): 
     ExecuteW().run() 

class Acrobat1(Screen): 

    def GetChClass(self, ch): 
     return ch 

class Spell1(Screen): 

    def GetChClass(self, ch): 
     return ch 

class HomeScreen(Screen): 
    pass 

class WarriorStats(Screen): 
    pass 

class AcrobatStats(Screen): 
    pass 

class SpellCasterStats(Screen): 
    pass 

class ExecuteW(App): 
    def build(self): 
     return Home() 

class RevengeApp(App): 
    def build(self): 
     return ScreenManage() 

if __name__ == '__main__': 
    print chClass 
    RevengeApp().run()

revenge.kv：

#: import sm kivy.uix.screenmanager 
#: import Factory kivy.factory.Factory 
#: import builder kivy.lang.Builder 

<ScreenManage> 
    transition: sm.FadeTransition() 
    TitleScreen: 
    ClassScreen: 
    GameScreen: 
    Warrior1: 
    Acrobat1: 
    Spell1: 
    WarriorStats: 

<TitleScreen> 
    on_touch_down: app.root.current = 'Game' 
    canvas: 
     Rectangle: 
      size: self.size 
      pos: self.pos 
      source: 'KnightArmor.jpg' 
    BoxLayout: 
     orientation: 'vertical' 
     Label: 
      font_size: '30sp' 
      color: 1,0,0,1 
      text: "Warrior's Revenge" 
     Label: 
      color: 1,0,0,1 
      text: "Click to Continue:" 

<GameScreen> 
    name: 'Game' 
    canvas: 
     Rectangle: 
      size: self.size 
      pos: self.pos 
      source: 'KnightArmor.jpg' 
    BoxLayout: 
     Button: 
      size_hint: .5,.1 
      text: "New Game" 
      on_release: app.root.current = 'Class' 
     Button: 
      size_hint: .5,.1 
      text: "Load Game" 

<ClassScreen> 
    name: 'Class' 
    BoxLayout: 
     orientation: 'vertical' 
     Label: 
      text: "Choose Your Path" 
     Button: 
      text: "Warrior" 
      on_release: app.root.current = "Warrior1" 
     Button: 
      text: "Acrobat" 
      on_release: app.root.current = "Acrobat1" 
     Button: 
      text: "Spell Caster" 
      on_release: app.root.current = "Spell1" 

<Warrior1> 
    name: "Warrior1" 
    canvas: 
     Rectangle: 
      size: self.size 
      pos: self.pos 
      source: "Warrior.jpg" 
    BoxLayout: 
     orientation: 'vertical' 
     Label: 
      font_size: "20sp" 
      text: "Warrior's are physically strong" 
      color: 0,.5,1,1 
     Label: 
      font_size: "20sp" 
      text: "experts in hand to hand combat," 
      color: 0,.5,1,1 
     Label: 
      font_size: "20sp" 
      text: "and knowledgeable in the ways of" 
      color: 0,.5,1,1 
     Label: 
      font_size: "20sp" 
      text: "arms and armor" 
      color: 0,.5,1,1 
     BoxLayout: 
      orientation: 'horizontal' 
      Button: 
       text: "Cancel" 
       on_release: app.root.current = "Class" 
      Button: 
       name: "warrior_confirm" 
       text: "Confirm" 
       on_release: chClass = root.GetChClass('Warrior') 
       on_release: root.build()

executew.kv：

#: import sm kivy.uix.screenmanager 

<Home>: 
    transition: sm.FadeTransition() 
    HomeScreen: 
    WarriorStats: 

<HomeScreen> 
    name: 'Home' 
    AnchorLayout: 
     Button: 
      text: "Stats" 
      on_release: app.root.current = 'WStats' 

<WarriorStats> 
    name: 'WStats' 
    canvas: 
     Rectangle: 
      size: self.size 
      pos: self.pos 
      source: "Warrior.jpg"

问题：当点击一个名为“WStats” executew的WarriorStats屏幕在主屏幕上的统计数据按钮应该被加载，但我得到的错误

来源

2017-09-13 Robert Holmes

我想通了......我在我的py文件开关（self）中添加一个函数到我的homescreen类：self.manager.current ='WStats'然后在我的executew.kv - on_release：root.switch（）--- presto问题已解决 –

我认为您可以在自己的问题中发布答案，以便您的问题被标记为已解决，并且具有相同问题的其他人可以更轻松地使用您的解决方案。 – syntonym

“名为‘WStats’无屏”回答这个问题我想通了，我自己

 class HomeScreen(Screen): 
    def switch(self): 
     self.manager.current = "WStats"

而且在executew：

 <HomeScreen> 
    Button: 
     text: "Stats" 
     on_release: root.switch()

来源

2017-09-16 03:50:59

没有名称的屏幕

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