使用self.txt1,self.lbl1等.

class MyApp(App):

# layout

def build(self):

layout = BoxLayout(padding=10, orientation='vertical')

btn1 = Button(text="OK")

btn1.bind(on_press=self.buttonClicked)

layout.add_widget(btn1)

self.lbl1 = Label(text="test")

layout.add_widget(self.lbl1)

self.txt1 = TextInput(text='', multiline=False)

layout.add_widget(self.txt1)

return layout

# button click function

def buttonClicked(self,btn):

self.lbl1.text = "You wrote " + self.txt1.text

# run app

if __name__ == "__main__":

MyApp().run()

# join all items in a list into 1 big string

使用：

def buttonClicked(self,btn):

lbl1.text = "You wrote " + txt1.text

總結

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