120 lines
3.3 KiB
Python
120 lines
3.3 KiB
Python
'''
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Android Compass
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---------------------
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'''
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from plyer.facades import Compass
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from jnius import PythonJavaClass, java_method, autoclass, cast
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from plyer.platforms.android import activity
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Context = autoclass('android.content.Context')
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Sensor = autoclass('android.hardware.Sensor')
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SensorManager = autoclass('android.hardware.SensorManager')
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class MFUSensorListener(PythonJavaClass):
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__javainterfaces__ = ['android/hardware/SensorEventListener']
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def __init__(self):
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super().__init__()
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service = activity.getSystemService(Context.SENSOR_SERVICE)
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self.SensorManager = cast('android.hardware.SensorManager', service)
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self.sensor = self.SensorManager.getDefaultSensor(
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Sensor.TYPE_MAGNETIC_FIELD_UNCALIBRATED)
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self.values = [None, None, None, None, None, None]
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def enable(self):
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self.SensorManager.registerListener(
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self, self.sensor,
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SensorManager.SENSOR_DELAY_NORMAL
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)
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def disable(self):
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self.SensorManager.unregisterListener(self, self.sensor)
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@java_method('(Landroid/hardware/SensorEvent;)V')
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def onSensorChanged(self, event):
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self.values = event.values[:6]
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@java_method('(Landroid/hardware/Sensor;I)V')
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def onAccuracyChanged(self, sensor, accuracy):
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pass
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class MagneticFieldSensorListener(PythonJavaClass):
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__javainterfaces__ = ['android/hardware/SensorEventListener']
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def __init__(self):
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super().__init__()
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self.SensorManager = cast(
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'android.hardware.SensorManager',
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activity.getSystemService(Context.SENSOR_SERVICE)
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)
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self.sensor = self.SensorManager.getDefaultSensor(
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Sensor.TYPE_MAGNETIC_FIELD
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)
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self.values = [None, None, None]
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def enable(self):
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self.SensorManager.registerListener(
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self, self.sensor,
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SensorManager.SENSOR_DELAY_NORMAL
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)
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def disable(self):
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self.SensorManager.unregisterListener(self, self.sensor)
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@java_method('(Landroid/hardware/SensorEvent;)V')
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def onSensorChanged(self, event):
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self.values = event.values[:3]
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@java_method('(Landroid/hardware/Sensor;I)V')
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def onAccuracyChanged(self, sensor, accuracy):
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# Maybe, do something in future?
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pass
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class AndroidCompass(Compass):
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def __init__(self):
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super().__init__()
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self.bState = False
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def _enable(self):
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if (not self.bState):
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self.listenerm = MagneticFieldSensorListener()
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self.listenermu = MFUSensorListener()
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self.listenerm.enable()
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self.listenermu.enable()
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self.bState = True
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def _disable(self):
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if (self.bState):
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self.bState = False
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self.listenerm.disable()
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self.listenermu.disable()
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del self.listenerm
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del self.listenermu
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def _get_orientation(self):
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if (self.bState):
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return tuple(self.listenerm.values)
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else:
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return (None, None, None)
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def _get_field_uncalib(self):
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if (self.bState):
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return tuple(self.listenermu.values)
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else:
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return (None, None, None, None, None, None)
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def __del__(self):
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if self.bState:
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self._disable()
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super().__del__()
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def instance():
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return AndroidCompass()
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