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70 lines
2.0 KiB
Python
70 lines
2.0 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 plyer.platforms.android import activity
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from plyer.facades import Proximity
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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 ProximitySensorListener(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_PROXIMITY)
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self.value = 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.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 AndroidProximity(Proximity):
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listener = None
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def _enable(self, **kwargs):
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if not self.listener:
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self.listener = ProximitySensorListener()
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self.listener.enable()
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def _disable(self, **kwargs):
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if self.listener:
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self.listener.disable()
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delattr(self, 'listener')
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def _get_proximity(self):
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if self.listener:
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value = self.listener.value
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# value is 0.0 when proxime sensor is covered. In other case
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# value is 5.0 because in smartphone, optical proximity sensors
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# are used.
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return value < 5.0
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def instance():
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return AndroidProximity()
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