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'''
Android Gyroscope
---------------------
'''
from plyer.facades import Gyroscope
from jnius import PythonJavaClass, java_method, autoclass, cast
from plyer.platforms.android import activity
Context = autoclass('android.content.Context')
Sensor = autoclass('android.hardware.Sensor')
SensorManager = autoclass('android.hardware.SensorManager')
class GyroscopeSensorListener(PythonJavaClass):
__javainterfaces__ = ['android/hardware/SensorEventListener']
def __init__(self):
super(GyroscopeSensorListener, self).__init__()
self.SensorManager = cast('android.hardware.SensorManager',
activity.getSystemService(Context.SENSOR_SERVICE))
self.sensor = self.SensorManager.getDefaultSensor(
Sensor.TYPE_GYROSCOPE)
self.values = [None, None, None]
def enable(self):
self.SensorManager.registerListener(self, self.sensor,
SensorManager.SENSOR_DELAY_NORMAL)
def disable(self):
self.SensorManager.unregisterListener(self, self.sensor)
@java_method('(Landroid/hardware/SensorEvent;)V')
def onSensorChanged(self, event):
self.values = event.values[:3]
@java_method('(Landroid/hardware/Sensor;I)V')
def onAccuracyChanged(self, sensor, accuracy):
# Maybe, do something in future?
pass
class AndroidGyroscope(Gyroscope):
def __init__(self):
super(AndroidGyroscope, self).__init__()
self.bState = False
def _enable(self):
if (not self.bState):
self.listener = GyroscopeSensorListener()
self.listener.enable()
self.bState = True
def _disable(self):
if (self.bState):
self.bState = False
self.listener.disable()
del self.listener
def _get_orientation(self):
if (self.bState):
return tuple(self.listener.values)
else:
return (None, None, None)
def __del__(self):
if(self.bState):
self._disable()
super(self.__class__, self).__del__()
def instance():
return AndroidGyroscope()
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