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from kivy.app import App
from kivy.clock import Clock
from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout
from plyer import gravity
Builder.load_string('''
<GravityInterface>:
orientation: 'vertical'
Label:
id: x_label
text: 'X: '
Label:
id: y_label
text: 'Y: '
Label:
id: z_label
text: 'Z: '
Label:
id: status
text: ''
BoxLayout:
size_hint_y: None
height: '48dp'
padding: '4dp'
ToggleButton:
id: toggle_button
text: 'Start Gravity Sensor'
on_press: root.do_toggle()
''')
class GravityInterface(BoxLayout):
def __init__(self):
super().__init__()
self.sensorEnabled = False
def do_toggle(self):
try:
if not self.sensorEnabled:
gravity.enable()
Clock.schedule_interval(self.get_gravity, 1 / 20.)
self.sensorEnabled = True
self.ids.toggle_button.text = "Stop Gravity Sensor"
else:
gravity.disable()
Clock.unschedule(self.get_gravity)
self.sensorEnabled = False
self.ids.toggle_button.text = "Start Gravity Sensor"
except NotImplementedError:
import traceback
traceback.print_exc()
status = "Gravity sensor is not implemented " \
"for your platform"
self.ids.status.text = status
def get_gravity(self, dt):
val = gravity.gravity
if not val == (None, None, None):
self.ids.x_label.text = "X: " + str(val[0])
self.ids.y_label.text = "Y: " + str(val[1])
self.ids.z_label.text = "Z: " + str(val[2])
class GravityApp(App):
def build(self):
return GravityInterface()
if __name__ == '__main__':
GravityApp().run()
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