我試圖將一個圖示放在文本串列項的右側，但下面的代碼AttributeError: 'super' object has no attribute '__getattr__'
在這一行給了我一個錯誤： items.add_widget(icon). 這是我希望它的樣子：
帶有圖示的串列項
這是我的代碼。它可以被復制并按原樣運行。
from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout
from kivymd.app import MDApp
from kivymd.uix.button import MDFlatButton
from kivymd.uix.list import OneLineIconListItem, IconRightWidget, MDList
from kivymd.uix.dialog import MDDialog
KV = '''
<Content>
orientation: "vertical"
spacing: "12dp"
size_hint_y: None
height: "400dp"
ScrollView:
MDList:
id: Mcontainer
MDFloatLayout:
'''
class Content(BoxLayout):
pass
class Example(MDApp):
def on_start(self):
Mcontent=Content()
for x in range(0,7):
icon = IconRightWidget(icon="lock")
items = OneLineIconListItem(text="This is a test")
items.add_widget(icon)
Mcontent.ids.Mcontainer.add_widget(items)
self.MSetFileOptionsdialog = MDDialog(type="custom",content_cls=Mcontent,)
self.MSetFileOptionsdialog.open()
def build(self):
return Builder.load_string(KV)
Example().run()
uj5u.com熱心網友回復：
from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout
from kivymd.app import MDApp
from kivymd.uix.list import OneLineAvatarIconListItem
from kivymd.uix.dialog import MDDialog
KV = '''
<Item>
_txt_left_pad: "12dp"
IconRightWidget:
icon: root.icon
<Content>
orientation: "vertical"
spacing: "12dp"
size_hint_y: None
height: "400dp"
ScrollView:
MDList:
id: Mcontainer
MDFloatLayout:
'''
class Item(OneLineAvatarIconListItem):
icon = StringProperty()
class Content(BoxLayout):
pass
class Example(MDApp):
def on_start(self):
Mcontent = Content()
for x in range(0, 7):
items = Item(text="This is a test", icon="lock")
Mcontent.ids.Mcontainer.add_widget(items)
self.MSetFileOptionsdialog = MDDialog(type="custom", content_cls=Mcontent)
self.MSetFileOptionsdialog.open()
def build(self):
return Builder.load_string(KV)
Example().run()
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