擅长:python、mysql、java
<p>你的代码中有很多错误。在</p>
<ul>
<li>“导入”按钮</li>
<li>in.kv下按钮宽度=100(错误)</li>
<li>移除电网布局,不需要。在</li>
</ul>
<p>下面是更新和运行的代码。在</p>
<pre><code>from kivy.uix.button import Button
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.floatlayout import FloatLayout
from kivy.uix.gridlayout import GridLayout
class Grid(GridLayout):
pass
class UcoeApp(App):
def build(self):
return Grid()
UcoeApp().run()
</code></pre>
<p>在UoE.kv文件=></p>
^{pr2}$