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https://github.com/liberatedsystems/openCom-Companion.git
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97 lines
2.6 KiB
Python
97 lines
2.6 KiB
Python
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'''
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GPS
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====
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.. versionadded:: 1.1
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.. note::
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On Android `INTERNET`, `ACCESS_FINE_LOCATION`, `ACCESS_COARSE_LOCATION`
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permissions are needed.
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.. note::
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On iOS `NSLocationWhenInUseUsageDescription` key is required for app to
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display geolocation usage permission prompt. Key can be added in Xcode
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target `info` section or in ``Resources/<YourApp>-info.plist``.
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App background mode (`on_pause`) also must be supported.
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You need to set a `on_location` callback with the :meth:`configure` method.
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This callback will receive a couple of keywords / values, that might be
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different depending of their availability on the targeted platform.
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Lat and lon are always available.
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- lat: latitude of the last location, in degrees
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- lon: longitude of the last location, in degrees
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- speed: speed of the user, in meters/second over ground
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- bearing: bearing in degrees
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- altitude: altitude in meters above the sea level
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Here is an example of the usage of gps::
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from plyer import gps
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def print_locations(**kwargs):
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print 'lat: {lat}, lon: {lon}'.format(**kwargs)
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gps.configure(on_location=print_locations)
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gps.start()
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# later
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gps.stop()
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Supported Platforms
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-------------------
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Android, iOS
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'''
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class GPS:
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'''
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GPS facade.
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'''
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def configure(self, on_location, on_status=None):
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'''
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Configure the GPS object. This method should be called before
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:meth:`start`.
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:param on_location: Function to call when receiving a new location
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:param on_status: Function to call when a status message is received
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:type on_location: callable, multiples keys/value will be passed.
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:type on_status: callable, args are "message-type", "status"
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.. warning::
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The `on_location` and `on_status` callables might be called from
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another thread than the thread used for creating the GPS object.
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'''
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self.on_location = on_location
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self.on_status = on_status
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self._configure()
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def start(self, minTime=1000, minDistance=1):
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'''
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Start the GPS location updates.
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Expects 2 parameters:
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minTime: milliseconds. (float)
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minDistance: meters. (float)
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'''
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self._start(minTime=minTime, minDistance=minDistance)
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def stop(self):
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'''
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Stop the GPS location updates.
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'''
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self._stop()
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# private
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def _configure(self):
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raise NotImplementedError()
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def _start(self, **kwargs):
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raise NotImplementedError()
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def _stop(self):
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raise NotImplementedError()
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