iOS Question LocationChanged event is not raised

[Alex_197]

Hi all

I'm running a small (3 activties) test app on my iPhone 7 with iOS ver. 15.5 without SIM Card.
The app created for a testing iLocation.

I'm running my test in Release mode.

If the Wi-Fi works I can successfully get Lat/Long. In Show sub I intialize LocManager

On pg_Disapear event I stop GPS by using LocManager.Stop and LocManager.StopHeading
On the next screen I initialaize it again.

So I run my app allow GPS permission. Click on GPS button on the 1st screen - GPS works Ok.
Then I return to the phone sttings screen which in turn stops the GPS and turn off the Wi-FI.

I return to the app and click on another button that opens 2nd screen. With Wi-Fi turned off I click on GPS button and get nothing.

LocationChanged event and HeadingGhanged event are not raised. But if I click again - it works

 

[Erel]

Using the old and cumbersome ThreePages example is a complete waste of time. Switch to B4XPages.

Why stop and start the location based on the visible page. Let it run.

 

[Alex_197]

I mean if the user in the some location without Wi-Fi and at this location there is no cell phone coverage? A lot of places like this in NYC

 

[Erel]

Why do you turn off GPS? How do you want to find the location if there is no wifi nor GPS?

 

[Alex_197]

Why do you turn off GPS? How do you want to find the location if there is no wifi nor GPS?

to preserve the battery if I don't need to use GPS.

My app is for clock in / clock out. Between clock in time and clock out time I don't need to use GPS. It might be 6-8 hours difference.
So I stopped it right after clocked in.

But I didn't expect the situation that when I start it again before clock out if there is no wi-fi or cell phone service it won't work. I expected that the GPS will get coordinates from the satellite if there are no wi-fi or 4G. Turns out that event LocationChanged event is not fired.