我試圖使這個自定義小部件的串列位于彼此上方和下方的垂直串列中，但它們都出現在同一個位置。
我不確定我哪里出錯了。我嘗試了一些我能想到的小東西，但很明顯，沒有解決方案。
我是 kivy 的新手，所以你可能有的任何提示都會很棒。
scrathapp.py
import os
import kivy
import random
import time
from pytube import YouTube, Playlist, Search
from kivy.app import App
from kivy.uix.widget import Widget
from kivy.uix.gridlayout import GridLayout
from kivy.uix.floatlayout import FloatLayout
from kivy.uix.anchorlayout import AnchorLayout
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.relativelayout import RelativeLayout
from kivy.uix.scrollview import ScrollView
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button
from kivy.uix.label import Label
from kivy.uix.image import Image
from kivy.uix.recycleview import RecycleView
from kivy.uix.recycleboxlayout import RecycleBoxLayout
from kivy.properties import ObjectProperty, StringProperty, NumericProperty, ListProperty, BooleanProperty
from kivy.logger import Logger
from kivy.config import Config
Config.set('graphics', 'resizable', True)
class YT_Widget(Widget):
yt = None
has_yt = BooleanProperty(False)
title = StringProperty()
author = StringProperty()
length = StringProperty()
def __init__(self, **kwargs):
super().__init__(**kwargs)
Logger.info("USE: YT_Widget")
self.title = "title"
self.author = "channel"
self.length = "0"
def add_yt(self, yt_obj):
if isinstance(yt_obj, YouTube):
self.yt = yt_obj
if not self.has_yt:
self.has_yt = True
def on_has_yt(self, instance, value):
Logger.info(f"\n***********\n type(value):{str(value)}\n***********\n")
if self.has_yt:
self.title = self.yt.title
self.author = self.yt.author
self.length = str(format(self.yt.length / 60, ".2f"))
def get_yt(self):
if not self.has_yt:
search = Search("fatheranarchy")
res = search.results
iyt = random.choice(res)
self.add_yt(iyt)
return self.yt
class YT_List(RecycleView):
yt_data = ListProperty([])
def addData(self, yt_list):
self.yt_data = [{"self.yt":item} for item in yt_list]
self.refresh_from_data()
class MainBox(BoxLayout):
def do_it(self):
sch = Search("death cab for cutie")
self.ids.yts.addData(sch.results)
class ScratchApp(App):
def build(self):
Logger.info("Start: Started App")
return MainBox()
if __name__ == "__main__":
scr = ScratchApp()
scr.run()
從頭開始.kv
#:kivy 2.0.0
<YLabel@Label>:
font_size:12
<YT_Widget>:
BoxLayout:
size:300,50
# canvas.before:
# Color:
# rgba: (0.1, 0.5, 0.7, 1)
# Rectangle:
# size:self.size
# pos:self.pos
BoxLayout:
Button:
id:yt_btn
size_hint: 0.09, 1.0
text:""
background_normal: "images/grn_btn.png"
background_down: "images/red_btn.png"
on_press:root.get_yt()
# Image:
# id:yt_btn_img
# size:self.parent.width, self.parent.height
# source:
# center_x:self.parent.center_x
# center_y:self.parent.center_y
GridLayout:
rows:2
size_hint: 0.91, 1.0
BoxLayout:
size_hint: 0.91, 0.5
YLabel:
id:yt_title
text:root.title
BoxLayout:
size_hint: 0.91, 0.5
YLabel:
id:yt_author
text:root.author
YLabel:
id:yt_length
text:root.length
<YT_List>:
viewclass:"YT_Widget"
# orientation: "vertical"
spacing: 40
padding:10, 10
# space_x: self.size[0]/3
RecycleBoxLayout:
color:(0, 0.7, 0.4, 0.8)
default_size: None, dp(56)
default_size_hint: 0.4, None
size_hint_y: None
height: self.minimum_height
orientation: 'vertical'
<MainBox>:
orientation:"vertical"
Button:
id:butt
text:"search"
on_press:root.do_it()
YT_List:
id:yts
data:self.yt_data
uj5u.com熱心網友回復：
我讓它正常作業。我所做的只是更改 .kv 檔案中的一些布局內容。我將在下面發布一些.kv。我在 .py 中所做的唯一真正更改是將 YT_Widget 更改為從 BoxLayout 類而不是 FloatLayout 擴展，不確定它是否對這個問題有任何影響。
無論如何，情況已經得到糾正。謝謝。:)
<YT_Widget>:
Button:
id:yt_btn
size_hint: 0.09, 1.0
text:""
background_normal: "images/grn_btn.png"
background_down: "images/red_btn.png"
on_press:root.get_yt()
GridLayout:
rows:2
size_hint: 0.91, 1.0
BoxLayout:
size_hint: 0.91, 0.5
YLabel:
id:yt_title
text:root.title
BoxLayout:
size_hint: 0.91, 0.5
YLabel:
id:yt_author
text:root.author
YLabel:
id:yt_length
text:root.length
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