def select_category(self, button):
if self.provider:
self.provider.stop()
self.provider = None
category, subcategory = button.text.split('-', 1)
if category == 'sensor':
try:
self.provider = SensorListener(subcategory, self.on_sensor)
except SensorNotFound:
self.error('Sensor {} not available on this device'.format(
subcategory))
return
else:
self.provider = GpsListener(self.on_gps)
self.root.maininit = False
self.root.maincontent.clear_widgets()
self.root.maincontent.add_widget(
Label(text='Waiting informations from the sensor'))
self.provider.start()
# just for a better "ui"
button.state = 'down'
def select_category(self, button):
if self.provider:
self.provider.stop()
self.provider = None
category, subcategory = button.text.split('-', 1)
if category == 'sensor':
try:
self.provider = SensorListener(subcategory, self.on_sensor)
except SensorNotFound:
self.error('Sensor {} not available on this device'.format(
subcategory))
return
else:
self.provider = GpsListener(self.on_gps)
self.root.maininit = False
self.root.maincontent.clear_widgets()
self.root.maincontent.add_widget(
Label(text='Waiting informations from the sensor'))
self.provider.start()
# just for a better "ui"
button.state = 'down'
class AndroidDemoApp(App):
categories = ListProperty()
def on_gps(self, provider, eventname, *args):
if provider is not self.provider:
return
print 'on_gps()', provider, eventname, args
if eventname == 'provider-disabled':
self.gps_values[1] = args[0]
self.trigger_gps_update_values()
elif eventname == 'location':
location = args[0]
self.gps_values[2:] = [
location.getLatitude(),
location.getLongitude()
]
self.trigger_gps_update_values()
def gps_update_values(self, *args):
self.root.maincontent.clear_widgets()
content = self.root.maincontent
if not self.root.maininit:
for x in xrange(4):
content.add_widget(Label())
values = self.gps_values
content.children[0].text = 'Last status: {}'.format(values[0])
content.children[1].text = 'Provider disabled: {}'.format(values[1])
content.children[2].text = 'Latitude: {}'.format(values[2])
content.children[3].text = 'Longitude: {}'.format(values[3])
def on_sensor(self, provider, eventname, *args):
if provider is not self.provider:
return
if eventname == 'accuracy-changed':
sensor, accuracy = args[:2]
elif eventname == 'sensor-changed':
event = args[0]
self.sensor_values = event.values
self.trigger_sensor_update_values()
def sensor_update_values(self, *args):
values = self.sensor_values
if not self.root.maininit:
self.sensor_create_ui(values)
self.sensor_fill_ui(values)
def sensor_create_ui(self, values):
self.root.maincontent.clear_widgets()
for index in xrange(len(values)):
self.root.maincontent.add_widget(NumberSlider())
self.root.maininit = True
def sensor_fill_ui(self, values):
for index, value in enumerate(values):
self.root.maincontent.children[index].value = value
def error(self, msg):
self.root.maininit = False
self.root.maincontent.clear_widgets()
lbl = Label(text=str(msg), text_size=(sp(100), None))
self.root.maincontent.add_widget(lbl)
def select_category(self, button):
if self.provider:
self.provider.stop()
self.provider = None
category, subcategory = button.text.split('-', 1)
if category == 'sensor':
try:
self.provider = SensorListener(subcategory, self.on_sensor)
except SensorNotFound:
self.error('Sensor {} not available on this device'.format(
subcategory))
return
else:
self.provider = GpsListener(self.on_gps)
self.root.maininit = False
self.root.maincontent.clear_widgets()
self.root.maincontent.add_widget(
Label(text='Waiting informations from the sensor'))
self.provider.start()
# just for a better "ui"
button.state = 'down'
def on_stop(self):
if self.provider:
self.provider.stop()
super(AndroidDemoApp, self).on_stop()
def on_pause(self):
if self.provider:
self.provider.stop()
return True
def on_resume(self):
if self.provider:
self.provider.start()
def build(self):
self.provider = None
self.sensors_values = []
self.gps_values = ['', '', 0, 0]
self.trigger_sensor_update_values = \
Clock.create_trigger(self.sensor_update_values, 0)
self.trigger_gps_update_values = \
Clock.create_trigger(self.gps_update_values, 0)
# search categories
self.categories = ['gps-location']
for key in sensortypes:
self.categories.append('sensor-{}'.format(key))
# create main ui
root = MainUI()
# fill the dropdown with all the categories
for cat in self.categories:
btn = ToggleButton(text=cat,
size_hint_y=None,
height='44sp',
group='sensors')
btn.bind(on_release=self.select_category)
root.dropdown.add_widget(btn)
return root
class AndroidDemoApp(App):
categories = ListProperty()
def on_gps(self, provider, eventname, *args):
if provider is not self.provider:
return
print 'on_gps()', provider, eventname, args
if eventname == 'provider-disabled':
self.gps_values[1] = args[0]
self.trigger_gps_update_values()
elif eventname == 'location':
location = args[0]
self.gps_values[2:] = [location.getLatitude(),
location.getLongitude()]
self.trigger_gps_update_values()
def gps_update_values(self, *args):
self.root.maincontent.clear_widgets()
content = self.root.maincontent
if not self.root.maininit:
for x in xrange(4):
content.add_widget(Label())
values = self.gps_values
content.children[0].text = 'Last status: {}'.format(values[0])
content.children[1].text = 'Provider disabled: {}'.format(values[1])
content.children[2].text = 'Latitude: {}'.format(values[2])
content.children[3].text = 'Longitude: {}'.format(values[3])
def on_sensor(self, provider, eventname, *args):
if provider is not self.provider:
return
if eventname == 'accuracy-changed':
sensor, accuracy = args[:2]
elif eventname == 'sensor-changed':
event = args[0]
self.sensor_values = event.values
self.trigger_sensor_update_values()
def sensor_update_values(self, *args):
values = self.sensor_values
if not self.root.maininit:
self.sensor_create_ui(values)
self.sensor_fill_ui(values)
def sensor_create_ui(self, values):
self.root.maincontent.clear_widgets()
for index in xrange(len(values)):
self.root.maincontent.add_widget(NumberSlider())
self.root.maininit = True
def sensor_fill_ui(self, values):
for index, value in enumerate(values):
self.root.maincontent.children[index].value = value
def error(self, msg):
self.root.maininit = False
self.root.maincontent.clear_widgets()
lbl = Label(text=str(msg), text_size=(sp(100), None))
self.root.maincontent.add_widget(lbl)
def select_category(self, button):
if self.provider:
self.provider.stop()
self.provider = None
category, subcategory = button.text.split('-', 1)
if category == 'sensor':
try:
self.provider = SensorListener(subcategory, self.on_sensor)
except SensorNotFound:
self.error('Sensor {} not available on this device'.format(
subcategory))
return
else:
self.provider = GpsListener(self.on_gps)
self.root.maininit = False
self.root.maincontent.clear_widgets()
self.root.maincontent.add_widget(
Label(text='Waiting informations from the sensor'))
self.provider.start()
# just for a better "ui"
button.state = 'down'
def on_stop(self):
if self.provider:
self.provider.stop()
super(AndroidDemoApp, self).on_stop()
def on_pause(self):
if self.provider:
self.provider.stop()
return True
def on_resume(self):
if self.provider:
self.provider.start()
def build(self):
self.provider = None
self.sensors_values = []
self.gps_values = ['', '', 0, 0]
self.trigger_sensor_update_values = \
Clock.create_trigger(self.sensor_update_values, 0)
self.trigger_gps_update_values = \
Clock.create_trigger(self.gps_update_values, 0)
# search categories
self.categories = ['gps-location']
for key in sensortypes:
self.categories.append('sensor-{}'.format(key))
# create main ui
root = MainUI()
# fill the dropdown with all the categories
for cat in self.categories:
btn = ToggleButton(text=cat, size_hint_y=None, height='44sp',
group='sensors')
btn.bind(on_release=self.select_category)
root.dropdown.add_widget(btn)
return root
