2014/10/15 下午 10:07:09

iphone Programming Glossary: distancefilter

Optimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone

http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the

stating it can't update. 2 Be extremely careful how you update the locationManager.desiredAccuracy and locationManager.distanceFilter Follow the example in Apple's code for this in the FlipsideViewController MyCLController sharedInstance .locationManager.desiredAccuracy.. sharedInstance .locationManager.desiredAccuracy accuracyToSet MyCLController sharedInstance .locationManager.distanceFilter filterToSet This approach works and causes no errors. If you update the desiredAccuracy or distanceFilter in the main delegate.. filterToSet This approach works and causes no errors. If you update the desiredAccuracy or distanceFilter in the main delegate loop void locationManager CLLocationManager manager didUpdateToLocation CLLocation newLocation fromLocation..

Why is my CLLocation speed so inaccurate?

http://stackoverflow.com/questions/1180050/why-is-my-cllocation-speed-so-inaccurate

iphone objective c gps share improve this question I would try the following. Remember that you should set the distanceFilter and desiredAccuracy as needed by your scenario walking is not the same as traveling by car etc. Moreover when you request..

iPhone CoreLocation: How to get the most accurate speed

http://stackoverflow.com/questions/582511/iphone-corelocation-how-to-get-the-most-accurate-speed

How should I configure the CLLocationManager so I get the best possible results What should I set desiredAccuracy and distanceFilter I've tried with distanceFilter 10 and desiredAccuracy kCLLocationAccuracyNearestTenMeters and reading CLLocation.speed property.. so I get the best possible results What should I set desiredAccuracy and distanceFilter I've tried with distanceFilter 10 and desiredAccuracy kCLLocationAccuracyNearestTenMeters and reading CLLocation.speed property Testing while driving around.. the above two parameters would give better results. Should I use kCLLocationAccuracyBest and some other value for distanceFilter I'm interested to hear from others using CoreLocation to get speed. What are you doing to get more accurate results iphone..

iPhone GPS - Battery Draining Extremely Fast

http://stackoverflow.com/questions/8689626/iphone-gps-battery-draining-extremely-fast

according to the code should not happen. Here is the code locationManager CLLocationManager alloc init locationManager.distanceFilter 100 locationManager.desiredAccuracy kCLLocationAccuracyHundredMeters locationManager startUpdatingLocation Ideally we want.. which I believe returns the coordinates whenever cell tower will change and hence consumes battery really fast. distanceFilter The minimum distance measured in meters a device must move laterally before an update event is generated. On the basis of..