Kivy Python-文本输入框填充整个浮动布局屏幕

from kivy.app import App
from kivy.uix.floatlayout import FloatLayout
from kivy.uix.textinput import TextInput
from kivy.uix.screenmanager import ScreenManager, Screen

class MyScreen(Screen):
    def __init__(self, **kwargs):
        super(MyScreen, self).__init__(**kwargs)
        layout = FloatLayout()

        # 创建文本输入框并添加到布局
        text_input = TextInput(size_hint=(1, 1), multiline=True)
        layout.add_widget(text_input)

        self.add_widget(layout)

class MyApp(App):
    def build(self):
        sm = ScreenManager()
        sm.add_widget(MyScreen(name='main'))
        return sm

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