Created
November 13, 2012 06:27
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MDD CLLocationManager Code Snippets
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CLLocationManagerDelegate | |
@property (strong, nonatomic) CLLocationManager *locationManager; | |
@property (strong, nonatomic) FBCacheDescriptor *placeCacheDescriptor; | |
// Get the CLLocationManager going. | |
self.locationManager = [[CLLocationManager alloc] init]; | |
self.locationManager.delegate = self; | |
self.locationManager.desiredAccuracy = kCLLocationAccuracyHundredMeters; | |
// We don't want to be notified of small changes in location, preferring to use our | |
// last cached results, if any. | |
self.locationManager.distanceFilter = 50; | |
[self.locationManager startUpdatingLocation]; | |
- (IBAction)clickPlace:(id)sender { | |
FBPlacePickerViewController* vc = [[FBPlacePickerViewController alloc]init]; | |
[vc configureUsingCachedDescriptor:self.placeCacheDescriptor]; | |
[vc loadData]; | |
[vc presentModallyFromViewController:self animated:YES handler:^(FBViewController *sender, BOOL donePressed) { | |
if(donePressed) { | |
NSLog(@"Success"); | |
} | |
}]; | |
} | |
-(void)locationManager:manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation { | |
if (!oldLocation || | |
(oldLocation.coordinate.latitude != newLocation.coordinate.latitude && | |
oldLocation.coordinate.longitude != newLocation.coordinate.longitude && | |
newLocation.horizontalAccuracy <= 100.0)) { | |
// Fetch data at this new location, and remember the cache descriptor. | |
self.placeCacheDescriptor = | |
[FBPlacePickerViewController cacheDescriptorWithLocationCoordinate:newLocation.coordinate | |
radiusInMeters:1000 | |
searchText:nil | |
resultsLimit:50 | |
fieldsForRequest:nil]; | |
[self.placeCacheDescriptor prefetchAndCacheForSession:FBSession.activeSession]; | |
} | |
} | |
-(void)locationManager:manager didFailWithError:(NSError *)error { | |
NSLog(@"Error! %@", error); | |
} |
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