python - 在 ScrollView KivyMD 下居中 MDlist 文本
问题描述
我正在努力将 ScrollView 中的文本居中。
我的 KV 代码如下:
from kivy.uix.scrollview import ScrollView
from kivymd.app import MDApp
from kivymd.uix.list import MDList, OneLineListItem
kv =""""
ScrollView:
do_scroll_x: False # Important for MD compliance
MDList:
OneLineListItem:
text: "Single-line item"
"""
class MainApp(MDApp):
def build(self):
sv = ScrollView()
ml = MDList()
sv.add_widget(ml)
contacts = ["Paula", "John", "Kate", "Vlad"]
for c in contacts:
ml.add_widget(
OneLineListItem(
text=c
)
)
return sv
if __name__ == '__main__':
MainApp().run()
请帮忙!
解决方案
一种方法是对 进行子类化OneLineListItem
,因此您可以halign
为水平对齐添加一个参数:
class OneLineListItemAligned(OneLineListItem):
def __init__(self, halign, **kwargs):
super(OneLineListItemAligned, self).__init__(**kwargs)
self.ids._lbl_primary.halign = halign
class MainApp(MDApp):
def build(self):
sv = ScrollView()
ml = MDList()
sv.add_widget(ml)
contacts = ["Paula", "John", "Kate", "Vlad"]
for c in contacts:
ml.add_widget(OneLineListItemAligned(halign="center", text=c))
return sv
if __name__ == '__main__':
MainApp().run()
PSkv
您的示例中未使用部分代码...