问题描述
我一直在寻找一种Kivy解决方案，以捕获Android设备从一个方向到另一个方向的旋转.我已经尝试了下面的两个window方法，但是在旋转设备时都没有执行on_rotate或rotate_screen例程.我看到Java中有一个onConfigurationChanged事件，但找不到与Kivy相同的事件处理.
I have been searching for a Kivy solution to capture the Android device rotation from one orientation to another. I have tried both of the window methods below but neither executes the on_rotate or rotate_screen routines when I rotate the device. I see there is an onConfigurationChanged event in java but I can't find the same event handling for Kivy.
Window.on_rotate(self.on_rotate)
Window.bind(on_rotate=self.rotate_screen)
我在logcat中得到的是以下消息，指示设备已旋转，但我的应用程序从未看到这些事件.
What I do get in the logcat is the following messages indicating the device has rotated but my app never see these events.
I/InputReader(270): Reconfiguring input devices. changes=0x00000004
I/InputReader(270): Device reconfigured: id=3, name='ilitek_i2c', surface size is now 1280x800, mode is 1
I/ActivityManager(270): Config changed: {1.0 0mcc0mnc en_US sw800dp w1280dp h752dp xlrg land finger -keyb/v/h -nav/h s.8}
推荐答案
我认为on_rotate仅跟踪Kivy的内部旋转(这是在OpenGL中完成的，与Android级别的旋转无关).
I think on_rotate only tracks Kivy's internal rotation (this is done in OpenGL and doesn't relate to the Android level rotation).
您可能可以使用pyjnius来使用普通的Java方法，但是我不知道细节.一个可能也有效的简单解决方案是观看Window.size(from kivy.core.window import Window)-这应该可以检测出从肖像到风景的变化.
You can probably use pyjnius to work with the normal Java methods for this, but I don't know the details. A simple solution that may work just as well is to watch Window.size (from kivy.core.window import Window) - this should detect the change from portrait to landscape.
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