111 lines
3.4 KiB
Python
111 lines
3.4 KiB
Python
from jnius import autoclass
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from jnius import cast
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from jnius import java_method
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from jnius import PythonJavaClass
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from math import exp
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from plyer.facades import Humidity
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from plyer.platforms.android import activity
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ActivityInfo = autoclass('android.content.pm.ActivityInfo')
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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 RelativeHumiditySensorListener(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_RELATIVE_HUMIDITY)
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self.value = None
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def enable(self):
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self.SensorManager.registerListener(self, self.sensor,
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SensorManager.SENSOR_DELAY_NORMAL)
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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.value = event.values[0]
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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 AmbientTemperatureSensorListener(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_AMBIENT_TEMPERATURE)
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self.value = None
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def enable(self):
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self.SensorManager.registerListener(self, self.sensor,
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SensorManager.SENSOR_DELAY_NORMAL)
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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.value = event.values[0]
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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 AndroidHumidity(Humidity):
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def __init__(self):
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self.state = False
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def _get_humidity(self):
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if self.state:
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m = 17.62
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Tn = 243.12
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Ta = 216.7
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Rh = self.listener_r.value
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Tc = self.listener_a.value
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A = 6.112
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K = 273.15
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if Rh == None or Tc == None:
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return None
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humidity = (Ta * (Rh / 100) * A * exp(m * Tc / (Tn + Tc))
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/ (K + Tc))
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return humidity
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def _enable(self):
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if not self.state:
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self.listener_r = RelativeHumiditySensorListener()
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self.listener_a = AmbientTemperatureSensorListener()
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self.listener_r.enable()
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self.listener_a.enable()
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self.state = True
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def _disable(self):
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if self.state:
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self.listener_r.disable()
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self.listener_a.disable()
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self.state = False
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delattr(self, 'listener_r')
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delattr(self, 'listener_a')
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def instance():
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return AndroidHumidity()
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