1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
'''
Android Compass
---------------------
'''
from plyer.facades import Compass
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 MFUSensorListener(PythonJavaClass):
__javainterfaces__ = ['android/hardware/SensorEventListener']
def __init__(self):
super().__init__()
service = activity.getSystemService(Context.SENSOR_SERVICE)
self.SensorManager = cast('android.hardware.SensorManager', service)
self.sensor = self.SensorManager.getDefaultSensor(
Sensor.TYPE_MAGNETIC_FIELD_UNCALIBRATED)
self.values = [None, None, None, 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[:6]
@java_method('(Landroid/hardware/Sensor;I)V')
def onAccuracyChanged(self, sensor, accuracy):
pass
class MagneticFieldSensorListener(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_MAGNETIC_FIELD
)
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 AndroidCompass(Compass):
def __init__(self):
super().__init__()
self.bState = False
def _enable(self):
if (not self.bState):
self.listenerm = MagneticFieldSensorListener()
self.listenermu = MFUSensorListener()
self.listenerm.enable()
self.listenermu.enable()
self.bState = True
def _disable(self):
if (self.bState):
self.bState = False
self.listenerm.disable()
self.listenermu.disable()
del self.listenerm
del self.listenermu
def _get_orientation(self):
if (self.bState):
return tuple(self.listenerm.values)
else:
return (None, None, None)
def _get_field_uncalib(self):
if (self.bState):
return tuple(self.listenermu.values)
else:
return (None, None, None, None, None, None)
def __del__(self):
if self.bState:
self._disable()
super().__del__()
def instance():
return AndroidCompass()
|
