Module Plyer:使用磁性传感器

Question

我想通过模块Plyer使用磁性传感器的数据进行测试。使用KivyLauncher脚本失败后，我获得了下一个警告列表：

[INFO              ] Logger: Record log in /storage/emulated/0/kivy/MagCompasses/.kivy/logs/kivy_20-05-01_4.txt
[INFO              ] Kivy: v1.9.1
[INFO              ] Python: v2.7.2 (default, Mar 20 2016, 23:30:13) 
[GCC 4.8]
[INFO              ] Factory: 179 symbols loaded
[WARNING           ] stderr: /data/user/0/org.kivy.pygame/files/lib/python2.7/site-packages/kivy/core/image/img_pygame.py:13: RuntimeWarning: import cdrom: No module named cdrom
[WARNING           ] stderr: (ImportError: No module named cdrom)
[INFO              ] Image: Providers: img_tex, img_dds, img_gif, img_pygame, img_pil (img_ffpyplayer ignored)
[INFO              ] Text: Provider: pygame
[WARNING           ] stderr: Traceback (most recent call last):
[WARNING           ] stderr:   File "main.py", line 208, in <module>
[WARNING           ] stderr:     MainApp().run()
[WARNING           ] stderr:   File "/home/tito/code/python-for-android-upstream/build/python-install/lib/python2.7/site-packages/kivy/app.py", line 802, in run
[WARNING           ] stderr:   File "main.py", line 115, in build
[WARNING           ] stderr:     self.compasses = Compasses()
[WARNING           ] stderr:   File "main.py", line 87, in __init__
[WARNING           ] stderr:     self.enable()
[WARNING           ] stderr:   File "main.py", line 91, in enable
[WARNING           ] stderr:     self.sensor.enable()
[WARNING           ] stderr:   File "/home/tito/code/python-for-android-upstream/build/python-install/lib/python2.7/site-packages/plyer/facades/compass.py", line 18, in enable
[WARNING           ] stderr:   File "/home/tito/code/python-for-android-upstream/build/python-install/lib/python2.7/site-packages/plyer/facades/compass.py", line 31, in _enable
[WARNING           ] stderr: NotImplementedError

这是否意味着Plyer需要模块Pygame？

Answer 1

你的Kivy Launcher中的plyer版本要么不支持这个，要么有一个bug，或者有一些相关的问题，比如你错过了一个重要的权限。

你可以尝试在你的应用中加入一个新的plyer (但是如果仍然没有支持的话，这是行不通的)。