INTULocationAccuracyCity          // 5000 meters or better, received within the last 10 minutes  -- lowest accuracy
INTULocationAccuracyNeighborhood  // 1000 meters or better, received within the last 5 minutes
INTULocationAccuracyBlock         // 100 meters or better, received within the last 1 minute
INTULocationAccuracyHouse         // 15 meters or better, received within the last 15 seconds
INTULocationAccuracyRoom          // 5 meters or better, received within the last 5 seconds      -- highest accuracy

CLActivityTypeFitness               // Track fitness activities such as walking, running, cycling, and so on
CLActivityTypeAutomotiveNavigation  // Track location changes to the automobile
CLActivityTypeAirborne              // Track airborne activities - iOS 12 and above
CLActivityTypeOtherNavigation       // Track vehicular navigation that are not automobile related
CLActivityTypeOther                 // Track unknown activities. This is the default value

INTULocationManager *locMgr = [INTULocationManager sharedInstance];
[locMgr requestLocationWithDesiredAccuracy:INTULocationAccuracyCity
                                   timeout:10.0
                      delayUntilAuthorized:YES	// This parameter is optional, defaults to NO if omitted
                                     block:^(CLLocation *currentLocation, INTULocationAccuracy achievedAccuracy, INTULocationStatus status) {
                                         if (status == INTULocationStatusSuccess) {
                                             // Request succeeded, meaning achievedAccuracy is at least the requested accuracy, and
                                             // currentLocation contains the device's current location.
                                         }
                                         else if (status == INTULocationStatusTimedOut) {
                                             // Wasn't able to locate the user with the requested accuracy within the timeout interval.
                                             // However, currentLocation contains the best location available (if any) as of right now,
                                             // and achievedAccuracy has info on the accuracy/recency of the location in currentLocation.
                                         }
                                         else {
                                             // An error occurred, more info is available by looking at the specific status returned.
                                         }
                                     }];

INTULocationManager *locMgr = [INTULocationManager sharedInstance];
[locMgr subscribeToLocationUpdatesWithDesiredAccuracy:INTULocationAccuracyHouse
                                                block:^(CLLocation *currentLocation, INTULocationAccuracy achievedAccuracy, INTULocationStatus status) {
                                                    if (status == INTULocationStatusSuccess) {
                                                        // A new updated location is available in currentLocation, and achievedAccuracy indicates how accurate this particular location is.
                                                    }
                                                    else {
                                                        // An error occurred, more info is available by looking at the specific status returned. The subscription has been kept alive.
                                                    }
                                                }];

INTULocationManager *locMgr = [INTULocationManager sharedInstance];
[locMgr subscribeToSignificantLocationChangesWithBlock:^(CLLocation *currentLocation, INTULocationAccuracy achievedAccuracy, INTULocationStatus status) {
    if (status == INTULocationStatusSuccess) {
		// A new updated location is available in currentLocation, and achievedAccuracy indicates how accurate this particular location is.
    }
    else {
        // An error occurred, more info is available by looking at the specific status returned. The subscription has been kept alive.
    }
}];

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // If you start monitoring significant location changes and your app is subsequently terminated, the system automatically relaunches the app into the background if a new event arrives.
    // Upon relaunch, you must still subscribe to significant location changes to continue receiving location events. 
    if ([launchOptions objectForKey:UIApplicationLaunchOptionsLocationKey]) {
        INTULocationManager *locMgr = [INTULocationManager sharedInstance];
        [locMgr subscribeToSignificantLocationChangesWithBlock:^(CLLocation *currentLocation, INTULocationAccuracy achievedAccuracy, INTULocationStatus status) {
            // This block will be executed with the details of the significant location change that triggered the background app launch,
            // and will continue to execute for any future significant location change events as well (unless canceled).
        }];
    }
    return YES;
}

INTULocationManager *locMgr = [INTULocationManager sharedInstance];
INTULocationRequestID requestID = [locMgr requestLocationWithDesiredAccuracy:INTULocationAccuracyHouse
                                                                     timeout:5.0
                                                                       block:locationRequestBlock];

// Force the request to complete early, like a manual timeout (will execute the block)
[[INTULocationManager sharedInstance] forceCompleteLocationRequest:requestID];

// Cancel the request (won't execute the block)
[[INTULocationManager sharedInstance] cancelLocationRequest:requestID];

INTULocationManager *locMgr = [INTULocationManager sharedInstance];
[locMgr subscribeToHeadingUpdatesWithBlock:^(CLHeading *heading, INTUHeadingStatus status) {
    if (status == INTUHeadingStatusSuccess) {
        // An updated heading is available
        NSLog(@"'Heading updates' subscription block called with Current Heading:\n%@", heading);
    } else {
        // An error occurred, more info is available by looking at the specific status returned. The subscription will be canceled only if the device doesn't have heading support.
    }
}];