[英]Invalid property name for size_hint in kivy python
我正在做一個 kivy 教程 (FreeCodeCamp) 當我為我的按鈕使用 size_hint 屬性時,它給出了 invlid 屬性名稱錯誤代碼:Python 文件:
from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button
from kivy.uix.widget import Widget
class BoxLayoutExample(BoxLayout):
pass
# def __init__(self, **kwargs):
# super().__init__(**kwargs)
# self.orientation = "vertical" # There is also horizontal
# b1 = Button(text="Button 1")
# b2 = Button(text="Button 2")
# b3 = Button(text="Button 3")
# self.add_widget(b1)
# self.add_widget(b2)
# self.add_widget(b3)
class MainWidget(Widget):
pass
class TheLabApp(App):
pass
TheLabApp().run()
Kivy 檔案:
BoxLayoutExample:
<BoxLayoutExample>:
orientation: "vertical"
Button:
text: "A"
size_hint = 1, .5
Button:
text: "B"
size_hint = 1, 2
Button:
text: "C"
size_hint = 1, 1
錯誤:
kivy.lang.parser.ParserException: Parser: File "kv file path", line 25:
...
23: Button:
24: text: "A"
>> 25: size_hint = 1, .5
26: Button:
27: text: "B"
...
Invalid property name
同樣的代碼適用於提供教程的人。
嘗試將=
替換為:
,如下所示:
BoxLayoutExample:
<BoxLayoutExample>:
orientation: "vertical"
Button:
text: "A"
size_hint: 1, .5
Button:
text: "B"
size_hint: 1, 2
Button:
text: "C"
size_hint: 1, 1
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