core-location

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iPhone Core Location startMonitoringSignificantLocationChanges

I need to know when the user approaches a certain location. On the iPhone 4 I\'m using startMonitoringForRegion:desiredAccuracy: but this is not supported on the 3GS (which I want to support), so in[详细]

2023-04-09 18:40 分类：问答
Location and heading not working

I downloaded the source code of this tutorial and played a bit with it. All working fine. Now I wanted to create my own project to implement location and heading. But after writing all, it does not w[详细]

2023-04-09 11:09 分类：问答
Registration timer expired, but client is still registering?

my app program use coremotionmanager and locationmanager too.when i start the program, i found this error.[详细]

2023-04-09 10:39 分类：问答
How to handle potential leak of an object warning - CLLocationManager

I did a build and analyze and was warned about a potential leak of an object stored into \'locationManager\'. I was wondering how this should be handled properly. Here\'s the co开发者_JAVA技巧de:[详细]

2023-04-09 07:02 分类：问答
iPhone - How to rotate compass for North magneticHeading

I have a compass/image where the needle should always point North. I have the compass needle/dial rotating using the following conditional statement:[详细]

2023-04-08 10:37 分类：问答
iOS: Core location turn off after update?

Obviously to save battery we need to use CoreLocation as quickly as possible and shut it off when not needed.I have a GPS app that tracks a users location, so I use almost all good location updates.Do[详细]

2023-04-08 02:54 分类：问答
Updating the centre point & zoom of MKMapView (iPhone)

I have been trying to centre the map view on the users location. This should also update as and when a change in locat开发者_如何学编程ion is registered. The issue I\'m having is upon loading the app[详细]

2023-04-08 00:38 分类：问答
iOS: locationManager:didUpdateToLocation:fromLocation: reports speed when not moving

I am using locationManager:didUpdateToLocation:fromLocation: to get location updates.Most everything is working well but when I check the newLocation.speed propery while standing still I almost always[详细]

2023-04-07 14:33 分类：问答
Will iPhone location accuracy go beyond the call of duty?

If I set my CLLocationManager\'s desired accuracy to be kCLLocationAccuracyKilometer (accurate within a kilometer) will the iPhone deliver a better position eventually, when it gets it ? Or will it s开[详细]

2023-04-06 14:12 分类：问答
Debugging CoreLocation app in real IOs device

I\'m developing an application that uses CoreLocation Framework to track user movements. I\'m caching the information into a DB to make use of it later, etc. The problem I\'m facing is that this kind[详细]

2023-04-06 04:18 分类：问答