Location questions


Location of the user device can be acquired adding a LOCATION question. The user needs to actually tap on the "Update Location" button to get the location data stored (see below). Basically tapping that button gives the app the consent to store the user location.

It cannot be done automatically for the above reason (privacy issues). If you ever used Facebook or Instagram, you might have noticed they use the same approach, as when adding a post the location needs to be added separately.


A location question cannot be required: a user might not want to answer that, or the device might lack GPS capabilities (for example a cheap Android tablet)

Mobile app

On the mobile app the location question will show:

Data Format
Latitude and Longitude Signed degrees format, with 6 decimal places to pinpoint a location within 11cm.
Accuracy Meters, refers to how close the device's calculated position is from the truth, expressed as a radius. Consumer smartphones devices can get a maximum accuracy of 3 or 4 meters.

The interface and features are kept to a minimum to be able to work both online and offline

On your left, how a location question is displayed on the mobile app

Web Application

When adding or editing data via the web application (See how), more features are available since the application will always be online.

You could:

  • Enter the coordinates manually.
  • Find a location based on an address (it is called geocoding).
  • Find your current location and drag the marker where you want.
  • Change map tiles to your preferences.

Latitude and longitude values are shown as signed degrees format, with 6 decimal places to pinpoint a location within 11cm.

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