Question

我正在使用python和kivy开发Android应用程序我正在使用boxlayout并尝试加载布局与字符串，但它没有加载并给我这个错误，并在我运行此代码时打开一个黑色的窗口我不明白现在是什么问题我得到这个错误请帮助解决这个问题

from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
from kivy.lang import Builder
from kivy.uix.label import Label



Builder.load_string('''
<Layout>:
    Lebel:
        text: "Hello World"
''')


class Layout(BoxLayout):
        pass

class MyApp(App):
    def build(self):
        return Layout()

MyApp().run()

这是错误

    Traceback (most recent call last):
   File "/root/Desktop/MyApp/main.py", line 25, in <module>
     MyApp().run()
   File "/usr/lib/python2.7/dist-packages/kivy/app.py", line 802, in run
     root = self.build()
   File "/root/Desktop/MyApp/main.py", line 23, in build
     return Layout()
   File "/usr/lib/python2.7/dist-packages/kivy/uix/boxlayout.py", line 102, in __init__
     super(BoxLayout, self).__init__(**kwargs)
   File "/usr/lib/python2.7/dist-packages/kivy/uix/layout.py", line 72, in __init__
     super(Layout, self).__init__(**kwargs)
   File "/usr/lib/python2.7/dist-packages/kivy/uix/widget.py", line 320, in __init__
     Builder.apply(self, ignored_consts=self._kwargs_applied_init)
   File "/usr/lib/python2.7/dist-packages/kivy/lang.py", line 1970, in apply
     self._apply_rule(widget, rule, rule, ignored_consts=ignored_consts)
   File "/usr/lib/python2.7/dist-packages/kivy/lang.py", line 2044, in _apply_rule
     cls = Factory_get(cname)
   File "/usr/lib/python2.7/dist-packages/kivy/factory.py", line 131, in __getattr__
     raise FactoryException('Unknown class <%s>' % name)
 kivy.factory.FactoryException: Unknown class <Lebel>
[Finished in 0.6s with exit code 1]
[shell_cmd: python -u "/root/Desktop/MyApp/main.py"]
[dir: /root/Desktop/MyApp]
[path: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin]

Answer 1

kivy.factory.FactoryException：未知类

你拼错了标签。

我在kivy python中遇到错误

1 个答案: