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Update WSViewController.m #21

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31 changes: 31 additions & 0 deletions phoneClients/ios/GpsTracker/WSViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,11 @@ - (void)viewDidLoad
currentlyTracking = NO;
timeIntervalInSeconds = 60; // change this to the time interval you want

if ([locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]) {
[self requestAlwaysAuthorization];
}


BOOL appIDIsSet = [[NSUserDefaults standardUserDefaults] boolForKey:@"appIDIsSet"];
if (!appIDIsSet) {
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"appIDIsSet"];
Expand Down Expand Up @@ -217,4 +222,30 @@ - (void)didReceiveMemoryWarning
[super didReceiveMemoryWarning];
}


- (void)requestAlwaysAuthorization
{
CLAuthorizationStatus status = [CLLocationManager authorizationStatus];

// If the status is denied or only granted for when in use, display an alert
if (status == kCLAuthorizationStatusAuthorizedWhenInUse || status == kCLAuthorizationStatusDenied) {
NSString *title;
title = (status == kCLAuthorizationStatusDenied) ? @"Location services are off" : @"Background location is not enabled";
NSString *message = @"To use background location you must turn on 'Always' in the Location Services Settings";

UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:title
message:message
delegate:self
cancelButtonTitle:@"Cancel"
otherButtonTitles:@"Settings", nil];
[alertView show];
}
// The user has not enabled any location services. Request background authorization.
else if (status == kCLAuthorizationStatusNotDetermined) {
[locationManager requestAlwaysAuthorization];
}
}



@end