我正在尝试在Accordion中使用PageLayout但是当我尝试点击任何地方时它给我这个错误。如何让它发挥作用。
Traceback (most recent call last):
File "accmain.py", line 19, in <module>
LiuApp().run()
File "/usr/lib/python2.7/dist-packages/kivy/app.py", line 828, in run
runTouchApp()
File "/usr/lib/python2.7/dist-packages/kivy/base.py", line 487, in runTouchApp
EventLoop.window.mainloop()
File "/usr/lib/python2.7/dist-packages/kivy/core/window/window_sdl2.py", line 619, in mainloop
self._mainloop()
File "/usr/lib/python2.7/dist-packages/kivy/core/window/window_sdl2.py", line 362, in _mainloop
EventLoop.idle()
File "/usr/lib/python2.7/dist-packages/kivy/base.py", line 330, in idle
self.dispatch_input()
File "/usr/lib/python2.7/dist-packages/kivy/base.py", line 315, in dispatch_input
post_dispatch_input(*pop(0))
File "/usr/lib/python2.7/dist-packages/kivy/base.py", line 221, in post_dispatch_input
listener.dispatch('on_motion', etype, me)
File "_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7146)
File "/usr/lib/python2.7/dist-packages/kivy/core/window/__init__.py", line 1034, in on_motion
self.dispatch('on_touch_up', me)
File "_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7146)
File "/usr/lib/python2.7/dist-packages/kivy/core/window/__init__.py", line 1070, in on_touch_up
if w.dispatch('on_touch_up', touch):
File "_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7146)
File "/usr/lib/python2.7/dist-packages/kivy/uix/widget.py", line 454, in on_touch_up
if child.dispatch('on_touch_up', touch):
File "_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7146)
File "/usr/lib/python2.7/dist-packages/kivy/uix/widget.py", line 454, in on_touch_up
if child.dispatch('on_touch_up', touch):
File "_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7146)
File "/usr/lib/python2.7/dist-packages/kivy/uix/widget.py", line 454, in on_touch_up
if child.dispatch('on_touch_up', touch):
File "_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7146)
File "/usr/lib/python2.7/dist-packages/kivy/uix/widget.py", line 454, in on_touch_up
if child.dispatch('on_touch_up', touch):
File "_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7146)
File "/usr/lib/python2.7/dist-packages/kivy/uix/widget.py", line 454, in on_touch_up
if child.dispatch('on_touch_up', touch):
File "_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7146)
File "/usr/lib/python2.7/dist-packages/kivy/uix/pagelayout.py", line 201, in on_touch_up
return self.children[-self.page + 1].on_touch_up(touch)
IndexError: list index out of range
到目前为止,我已经完成了这个错误。 accmain.py文件
from kivy.app import App
from kivy.uix.accordion import Accordion
class RunLiu(Accordion):
def __init__(self, **kwargs):
super(RunLiu, self).__init__(**kwargs)
class LiuApp(App):
def build(self):
root = RunLiu()
return root
if __name__ == "__main__":
LiuApp().run()`
liu.kv文件
<RunLiu>:
orientation: "vertical"
AccordionItem:
title: "Item 1"
PageLayout:
Label:
text: "yee"
AccordionItem:
title: "Item 2"
Label:
text: "hey there"
AccordionItem:
title: "3rd tab"
Label:
text: 'Item 3'
对不起格式化,我是非常新的堆栈溢出和kivy两者。我的文件中的所有缩进都是正确的。
答案 0 :(得分:0)
我有点不明白你的问题。在我看来,要么你没有发布你的整个代码,要么做了一些错字,或者有一个旧版本的kivy。在master分支(1.9.2)上,这段代码不会抛出任何错误,你可以毫无问题地列出页面(当然Label没有背景,所以它会重叠):
from kivy.app import App
from kivy.lang import Builder
from kivy.uix.accordion import Accordion
Builder.load_string('''
<RunLiu>:
orientation: "vertical"
AccordionItem:
title: "Item 1"
PageLayout:
Label:
text: "yee"
Label:
text: "ya"
Label:
text: "yas"
AccordionItem:
title: "Item 2"
Label:
text: "hey there"
AccordionItem:
title: "3rd tab"
Label:
text: 'Item 3'
''')
class RunLiu(Accordion):
def __init__(self, **kwargs):
super(RunLiu, self).__init__(**kwargs)
class LiuApp(App):
def build(self):
root = RunLiu()
return root
if __name__ == "__main__":
LiuApp().run()