[INFO ] [Logger ] Record log in /storage/emulated/0/pythonfile/.kivy/logs/kivy_21-06-28_12.txt
[INFO ] [Kivy ] v1.11.1
[INFO ] [Kivy ] Installed at "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/kivy/__init__.py"
[INFO ] [Python ] v3.8.3 (default, May 27 2020, 02:08:17)
[GCC 9.3.0]
[INFO ] [Python ] Interpreter at "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/bin/python3"
[INFO ] [Factory ] 184 symbols loaded
[INFO ] [Image ] Providers: img_tex, img_dds, img_sdl2, img_pil, img_gif (img_ffpyplayer ignored)
Traceback (most recent call last):
File "/storage/emulated/0/pythonfile/test11.py", line 15, in <module>
TestApp().run()
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/kivy/app.py", line 828, in run
self.load_kv(filename=self.kv_file)
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/kivy/app.py", line 599, in load_kv
root = Builder.load_file(rfilename)
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/kivy/lang/builder.py", line 301, in load_file
return self.load_string(data, **kwargs)
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/kivy/lang/builder.py", line 368, in load_string
parser = Parser(content=string, filename=fn)
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/kivy/lang/parser.py", line 401, in __init__
self.parse(content)
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/kivy/lang/parser.py", line 510, in parse
objects, remaining_lines = self.parse_level(0, lines)
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/kivy/lang/parser.py", line 613, in parse_level
_objects, _lines = self.parse_level(
File "/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/site-packages/kivy/lang/parser.py", line 673, in parse_level
if current_property[:3] == 'on_':
TypeError: 'NoneType' object is not subscriptable
你的变量是一个None类型，你看看那里没定义，或者返回值是None
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