將textinput中的文本傳遞給Kivy中的標籤

Question

我想讓textinput小部件將文本傳入回調函數，該函數在由printbutton調用時使文本產生標籤，在您考慮時應該相當簡單。但我有一種不看樹木的習慣。安美居，如果任何人都可以算出來，然後它編寫了：P

import kivy 
kivy.require('1.5.1') 
from kivy.app import App 
from kivy.uix.label import Label 
from kivy.uix.button import Button 
from kivy.uix.gridlayout import GridLayout 
from kivy.uix.textinput import TextInput 

class kivyentrywidget(GridLayout): 

    def __init__(self, **kwargs): 
     super(kivyentrywidget, self).__init__(**kwargs) 
     self.cols = 2 
     self.add_widget(Label(text='What do you want to print?')) 
     self.text_input = TextInput(multiline=False) 
     self.add_widget(self.text_input) 
     self.printbutton = Button(text='Print') 
     self.printbutton.bind(on_press=callback) 
     self.add_widget(self.printbutton) 

    def callback(self): 
     return Label(text=self.text_input.text) 



class Firstapp(App): 
    def build(self): 
     return kivyentrywidget() 

if __name__ == '__main__': 
    Firstapp().run() 

Answer 1

def callback(self,evt=None): #not sure if kivy sends event info so added optional arg just in case 
    return self.add_widget(Label(text=self.text_input.text)) 

也許......不是太熟悉kivy，但我認爲這將做到這一點..

也

self.printbutton.bind(on_press=self.callback) 

應該解決您的另一個問題