How to return lat / long coordinates and speed

[João Henriquez]

I am trying to return the latitude and longitude coordinates.
I'm using "geolocator: ^ 3.0.1" but I'm having the following error, it seems to me to be something like that authorization that needs to be done to turn on the gps.

The error returned is:
I / flutter (19213): decodePermissionRequestResult called with: value: [{3: 4}]
D / permissions_handler (19213): No permissions found in manifest for: $ permission


Can anybody help me?
Or indicate some other package that returns me the information in real time (text mode only without map display):
latitude, longitude calculate the distance between the points (lat and long initial / lat and long end) and speed in km / h

[Andy Greenshaw]

Follow the package instructions here https://pub.dartlang.org/packages/geolocator and add the required permissions from the “Permissions” section.

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[Anjan Roy]

You could take a look at `locate` package.

Link : https://pub.dartlang.org/packages/locate
Github : https://github.com/itzmeanjan/locate