80 lines
2.1 KiB
Python
80 lines
2.1 KiB
Python
'''
|
|
Android accelerometer
|
|
---------------------
|
|
'''
|
|
|
|
from plyer.facades import Accelerometer
|
|
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 AccelerometerSensorListener(PythonJavaClass):
|
|
__javainterfaces__ = ['android/hardware/SensorEventListener']
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
self.SensorManager = cast(
|
|
'android.hardware.SensorManager',
|
|
activity.getSystemService(Context.SENSOR_SERVICE)
|
|
)
|
|
self.sensor = self.SensorManager.getDefaultSensor(
|
|
Sensor.TYPE_ACCELEROMETER
|
|
)
|
|
|
|
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 AndroidAccelerometer(Accelerometer):
|
|
def __init__(self):
|
|
super().__init__()
|
|
self.bState = False
|
|
|
|
def _enable(self):
|
|
if (not self.bState):
|
|
self.listener = AccelerometerSensorListener()
|
|
self.listener.enable()
|
|
self.bState = True
|
|
|
|
def _disable(self):
|
|
if (self.bState):
|
|
self.bState = False
|
|
self.listener.disable()
|
|
del self.listener
|
|
|
|
def _get_acceleration(self):
|
|
if (self.bState):
|
|
return tuple(self.listener.values)
|
|
else:
|
|
return (None, None, None)
|
|
|
|
def __del__(self):
|
|
if self.bState:
|
|
self._disable()
|
|
super().__del__()
|
|
|
|
|
|
def instance():
|
|
return AndroidAccelerometer()
|