擅长:python、mysql、java
<pre><code>from kivy.app import App
from kivy.uix.button import Button
from kivy.uix.label import Label
class Test(App):
def press(self,instance):
print("Pressed")
def build(self):
butt=Button(text="Click")
butt.bind(on_press=self.press) #dont use brackets while calling function
return butt
Test().run()
</code></pre>