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
|
from jnius import autoclass
from jnius import cast
from jnius import java_method
from jnius import PythonJavaClass
from plyer.facades import Barometer
from plyer.platforms.android import activity
ActivityInfo = autoclass('android.content.pm.ActivityInfo')
Context = autoclass('android.content.Context')
Sensor = autoclass('android.hardware.Sensor')
SensorManager = autoclass('android.hardware.SensorManager')
class BarometerSensorListener(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_PRESSURE)
self.value = 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.value = event.values[0]
@java_method('(Landroid/hardware/Sensor;I)V')
def onAccuracyChanged(self, sensor, accuracy):
pass
class AndroidBarometer(Barometer):
listener = None
def _get_pressure(self):
if self.listener and self.listener.value:
pressure = self.listener.value
return pressure
def _enable(self):
if not self.listener:
self.listener = BarometerSensorListener()
self.listener.enable()
def _disable(self):
if self.listener:
self.listener.disable()
delattr(self, 'listener')
def instance():
return AndroidBarometer()
|
