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Posted to issues@cordova.apache.org by GitBox <gi...@apache.org> on 2021/04/20 09:44:44 UTC
[GitHub] [cordova-plugin-geolocation] katzlbt opened a new issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
katzlbt opened a new issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224
# Bug Report
In iOS 14 watchPosition stops working as soon as the Application is suspended and reactivated. This is probably due to a new(?) iOS behavior of sending error.code == kCLErrorDenied when the app is suspended and has "in use GPS permissions".
The documentation (https://cordova.apache.org/docs/en/10.x/reference/cordova-plugin-geolocation/#geolocationoptions) states that:
> Note that when used in conjunction with geolocation.watchPosition, the geolocationError callback could be called on an interval every timeout milliseconds!
## Problem
A few seconds after being suspeded(!) the debugger stops in the function (https://github.com/apache/cordova-plugin-geolocation/blob/master/src/ios/CDVLocation.m#L343-L352):
```
- (void)locationManager:(CLLocationManager*)manager didFailWithError:(NSError*)error
error.code == kCLErrorDenied an this generates positionError = PERMISSIONDENIED
```
**... and then stops the watch ...**
```
if (error.code != kCLErrorLocationUnknown) {
[self.locationManager stopUpdatingLocation];
__locationStarted = NO;
}
```
After reactivation of the app my code gets a GPS Timeout! Code: 3
### What is expected to happen?
GPS watchPosition should probably continue working after the app was suspended.
The timeout should fire repeatedly as stated in the documentation.
### What does actually happen?
watchLocation stops with a TIMEOUT
### Environment, Platform, Device
iOS 14.4.2, newest XCode
### Version information
10.0.0
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[GitHub] [cordova-plugin-geolocation] junior-senior commented on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
junior-senior commented on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826839592
Tried with a SIM in and it'd the same result. Options are: enableHighAccuracy: true, timeout: 20000. Also tried with enableHighAccuracy: false and no change. I have managed to get the timeouts to stop by changing self.locationManager.distanceFilter from = 5 to = kCLDistanceFilterNone;. Although I'm a little concerned as the comment states that this could lead to increased battery usage.
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[GitHub] [cordova-plugin-geolocation] katzlbt edited a comment on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
katzlbt edited a comment on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826797339
Yes, but that should not stop the GPS. You may receive 1 or 2 timeouts and then it should start working (except indoors).
What are your geolocationOptions?
https://cordova.apache.org/docs/en/10.x/reference/cordova-plugin-geolocation/#geolocationoptions
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[GitHub] [cordova-plugin-geolocation] katzlbt edited a comment on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
katzlbt edited a comment on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826797339
Yes, but that should not stop the GPS. You may receive 1 or 2 timeouts and then it should start working (except indoors).
Timeouts are generated by geolocation.js of this plugin, not iOS/Android code. Old hardware took minutes to get a lock.
NOTE: iOS devices without SIM have no GPS hardware!!
What are your geolocationOptions?
https://cordova.apache.org/docs/en/10.x/reference/cordova-plugin-geolocation/#geolocationoptions
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[GitHub] [cordova-plugin-geolocation] katzlbt edited a comment on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
katzlbt edited a comment on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826797339
Yes, but that should not stop the GPS. You may receive 1 or 2 timeouts and then it should start working (except indoors).
Timeouts are generated by geolocation.js of this plugin, not the device code.
What are your geolocationOptions?
https://cordova.apache.org/docs/en/10.x/reference/cordova-plugin-geolocation/#geolocationoptions
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[GitHub] [cordova-plugin-geolocation] katzlbt commented on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
katzlbt commented on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826713368
> It's frustrating because my work-around is to call getCurrentPosition every 5000ms (using setInterval) but my users are complaining that the location updating is noticeably worse between the previous and current version.
This workaround shuts down the GPS after every getCurrentPosition() potentially requiring a new warmup. You need to apply my patch and use watchPosition() instead: https://github.com/apache/cordova-plugin-geolocation/pull/225/commits/4d5a5b4e9ceb2cbead06c63572e83b9c82d63349
> location updating is noticeably worse between the previous and current version.
Version of what? CDVLocation.m has not changed for years, but iOS has changed more often.
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[GitHub] [cordova-plugin-geolocation] junior-senior commented on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
junior-senior commented on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-829970686
Even while moving in a car the timeouts still happen with this set to 5.
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[GitHub] [cordova-plugin-geolocation] breautek commented on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
breautek commented on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826847177
> have managed to get the timeouts to stop by changing self.locationManager.distanceFilter from = 5 to = kCLDistanceFilterNone;
This means you aren't moving more than 5-8 meters (depending on location accuracy in your current area). iOS does battery optimisation by avoiding sending GPS events if there isn't any significant changes in geolocation. This is set to 5 by default in high accuracy mode. `kCLDistanceFilterNone` constant disables this so that you'll get GPS events regardless if the position has changed or not. It's not recommended by Apple to use this, but depending on your use case it may be necessary.
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[GitHub] [cordova-plugin-geolocation] junior-senior commented on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
junior-senior commented on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826781410
Did not fix it for me unfortunately, still getting a time out.
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[GitHub] [cordova-plugin-geolocation] katzlbt commented on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
katzlbt commented on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826797339
Yes, but that should not stop the GPS. You may receive 1 ot 2 timeouts and then it should start working (except indoors).
What are your geolocationOptions?
https://cordova.apache.org/docs/en/10.x/reference/cordova-plugin-geolocation/#geolocationoptions
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[GitHub] [cordova-plugin-geolocation] junior-senior commented on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
junior-senior commented on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826686379
Also sort of have this issue on iOS 12.3.1.
My issues is when a certain time elapses or the user moves 100m from their initial position a list of nearest locations is updated. However, I get the GPS timeout when the app tried to update the list. As with you, it works perfectly on Android.
It's frustrating because my work-around is to call getCurrentPosition every 5000ms (using setInterval) but my users are complaining that the location updating is noticeably worse between the previous and current version.
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[GitHub] [cordova-plugin-geolocation] katzlbt edited a comment on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
katzlbt edited a comment on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826797339
Yes, but that should not stop the GPS. You may receive 1 or 2 timeouts and then it should start working (except indoors).
Timeouts are generated by geolocation.js of this plugin, not iOS/Android code.
What are your geolocationOptions?
https://cordova.apache.org/docs/en/10.x/reference/cordova-plugin-geolocation/#geolocationoptions
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[GitHub] [cordova-plugin-geolocation] katzlbt edited a comment on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
katzlbt edited a comment on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826797339
Yes, but that should not stop the GPS. You may receive 1 or 2 timeouts and then it should start working (except indoors).
Timeouts are generated by geolocation.js of this plugin, not iOS/Android code. Old hardware took minutes to get a lock.
NOTE: iOS devices without SIM have no GPS hardware!! ... and position.altitudeAccuracy == -1
What are your geolocationOptions?
https://cordova.apache.org/docs/en/10.x/reference/cordova-plugin-geolocation/#geolocationoptions
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[GitHub] [cordova-plugin-geolocation] katzlbt edited a comment on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
katzlbt edited a comment on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826713368
> It's frustrating because my work-around is to call getCurrentPosition every 5000ms (using setInterval) but my users are complaining that the location updating is noticeably worse between the previous and current version.
Your workaround shuts down the GPS after every getCurrentPosition() potentially requiring a new warmup. You need to apply my patch and use watchPosition() instead: https://github.com/apache/cordova-plugin-geolocation/pull/225/commits/4d5a5b4e9ceb2cbead06c63572e83b9c82d63349
> location updating is noticeably worse between the previous and current version.
Version of what? CDVLocation.m has not changed for years, but iOS has changed more often.
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[GitHub] [cordova-plugin-geolocation] junior-senior commented on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
junior-senior commented on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-826723114
> Your workaround shuts down the GPS after every getCurrentPosition() potentially requiring a new warmup. You need to apply my patch and use watchPosition() instead: 4d5a5b4
Great thanks, I'll give that a go and let you know. \
> Version of what? CDVLocation.m has not changed for years, but iOS has changed more often.
Sorry I should have been more clear, I meant the different versions of my app. This issue arose for me when I transitioned my app from Ionic 2 to 5.
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[GitHub] [cordova-plugin-geolocation] katzlbt commented on issue #224: iOS 14: watchPosition stops working when the App is suspended and reactivated
Posted by GitBox <gi...@apache.org>.
katzlbt commented on issue #224:
URL: https://github.com/apache/cordova-plugin-geolocation/issues/224#issuecomment-830009056
There is nothing wrong with receiving timeouts. I ignore them and have a timeout of 45000, probably should use infinity. You also may get them after the app was suspended. As engineer, you should be able to diagnose the problem and file a separate bug. There are just 600 lines of code in 2 files involved.
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