Re: iPhone Testing Internet Connection?
Re: iPhone Testing Internet Connection?
- Subject: Re: iPhone Testing Internet Connection?
- From: Jonathan del Strother <email@hidden>
- Date: Tue, 15 Dec 2009 12:33:51 +0000
Perhaps you should be calling the internetConnection function, rather
than comparing its address to 0x0000001 ?
if (internetConnection() == YES)
....
2009/12/15 Chunk 1978 <email@hidden>:
> i have been researching how to do this, and while i believe my code is
> correct, i always receive the alert stating the internet connection is
> unavailable. what am i doing wrong?
>
> -=-=-=-=-
> - (BOOL)internetConnection
> {
> //INTERNET CONNECTION TESTING
> //Add the SystemConfiguration framework
> //#import <SystemConfiguration/SCNetworkReachability.h>
> //#include <netinet/in.h>
>
> //Create zero addy
> struct sockaddr_in zeroAddress;
> bzero(&zeroAddress, sizeof(zeroAddress));
> zeroAddress.sin_len = sizeof(zeroAddress);
> zeroAddress.sin_family = AF_INET;
>
> //Recover reachability flags
> SCNetworkReachabilityRef defaultRouteReachability =
> SCNetworkReachabilityCreateWithAddress(NULL, (struct sockaddr
> *)&zeroAddress);
> SCNetworkReachabilityFlags flags;
>
> BOOL didRetrieveFlags =
> SCNetworkReachabilityGetFlags(defaultRouteReachability, &flags);
> CFRelease(defaultRouteReachability);
>
> if (!didRetrieveFlags)
> {
> printf("Error. Could not recover network reachability flags\n");
> return 0;
> }
>
> BOOL isReachable = flags & kSCNetworkFlagsReachable;
> BOOL needsConnection = flags & kSCNetworkFlagsConnectionRequired;
> return (isReachable && !needsConnection) ? YES : NO;
> }
>
> - (IBAction)gotoAppStore
> {
> if (internetConnection == YES)
> [[UIApplication sharedApplication] openURL:[NSURL
> URLWithString:@"http://www.google.com";]];
> else
> {
> UIAlertView *alert = [[UIAlertView alloc] initWithTitle:nil
> message:NSLocalizedString(SMConstNoInternetConnectionAlertMessage,
> nil)
> delegate:self
> cancelButtonTitle:@"OK"
> otherButtonTitles:nil];
> [alert show];
> [alert release];
> }
> }
> -=-=-=-=-
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