currentLocation on Watch Face

Hello,

I'm developing watchface with sunrise/sunset function, and i have problem when trying to get latitude and longitude

Hire is my code:

var positionInfo = Activity.getActivityInfo().currentLocation;
if(positionInfo != null){
var latitude= positionInfo.toDegrees()[0];
var longitude = positionInfo.toDegrees()[1];
}

I never get data because positionInfo is always null, when app running on simulator and on real device also.

Second think is, when i get data, I need to store somewhere, to have last knew position, which will be used when position is unavailable.

I will be grateful if You can help in this topic, or redirect me to some examples, or post.

Piotr

Top Replies

jim_m_58 over 5 years ago +1

In the sim, use Simulation>Fit Data to get a location. On a real device, run something that uses GPS right before and you get the last location from it.

On a real device, this data can go state (you…

All Replies

jim_m_58 over 5 years ago

In the sim, use Simulation>Fit Data to get a location. On a real device, run something that uses GPS right before and you get the last location from it.

On a real device, this data can go state (you'll start seeing null again after a while).

What you want to do, is when you get a valid location, save it in Storage, and then the next time you run and currentLocation is null, you can use the value in Storage.

PiotrK82 over 5 years ago in reply to jim_m_58

Thanks,

it is as You sed,

To use storage on watch face i can use this module: Toybox::Application::Storage ?

Piotr

jim_m_58 over 5 years ago in reply to PiotrK82

Yes

Former Member over 5 years ago

In the sim, use Simulation>Fit Data to get a location. On a real device, run something that uses GPS right before and you get the last location from it. sir

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Jacquers 4 days ago

I was struggling to get this working in the simulator, even when playing back an activity. The fix for me was to enable the position permission in the manifest.

jim_m_58 4 days ago in reply to Jacquers

Understand that on a real device it can be null if you've not used GPS since power on. or even after a time if you've not used GPS (it varies by device but is often an hour or so). And unless you are running an activity that uses GPS, it doesn't change.