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gps_recorder.py
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gps_recorder.py
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#!/usr/bin/python2.6
from __future__ import with_statement
from util import get_last_fileid
import android
import json
OUTPUT_FILENAME_TEMPLATE = 'gps_output_{0}.json'
def record():
# Start location messages
droid = android.Android()
droid.startLocating(0, 0)
droid.makeToast("Starting location drill")
# Show a dialog box
droid.dialogCreateInput("GPS Recorder running", "Add message to log")
droid.dialogSetPositiveButtonText("Log message")
droid.dialogSetNegativeButtonText("Exit")
droid.dialogShow()
# Loop until the user exits
out_filename = OUTPUT_FILENAME_TEMPLATE.format(get_last_fileid() + 1)
with open(out_filename, 'w') as out_file:
running = True
while running:
# Wait until we get an event
res = droid.eventWait(1000).result
if res == None:
print "LocationListener timeout"
elif res['name'] == "dialog":
# User used the dialog
if (res[u'data'][u'which'] == u'positive'):
droid.makeToast("Saving log message")
message = '# {0}'.format(res[u'data'][u'value'])
print message
out_file.write('{0}\n'.format(message))
droid.dialogShow()
else:
print "User requested exit"
running = False
elif res['name'] == "location":
# It's a GPS message!
try:
loc = res['data']['gps']
except (KeyError, TypeError):
print("Location message, but no GPS data")
continue
print(loc)
out_file.write(json.dumps(loc) + '\n')
# Shutdown
droid.stopLocating()
droid.makeToast("All done - saved to {0}".format(out_filename))
if __name__ == '__main__':
record()