Created
December 6, 2012 05:45
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check internet connection with NSURLConnection and Google in response to http://stackoverflow.com/a/13736429/613541
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| dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ | |
| NSString *urlString = @"http://www.google.com/"; | |
| NSURL *url = [NSURL URLWithString:urlString]; | |
| NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; | |
| [request setHTTPMethod:@"HEAD"]; | |
| NSHTTPURLResponse *response; | |
| [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:NULL]; | |
| if ([response statusCode] == 200) | |
| { | |
| dispatch_async(dispatch_get_main_queue(), ^{ | |
| // Do anything you would like to do as if you have Internet connection | |
| UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Success" message:@"Google server return HTTP Status Code 200 OK" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil]; | |
| [alertView show]; | |
| }); | |
| } | |
| else | |
| { | |
| dispatch_async(dispatch_get_main_queue(), ^{ | |
| // Do anything you would like to do as if you cannot see Google homepage | |
| UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error" message:@"Connect to Google failed or Google server did not return HTTP Status Code 200" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil]; | |
| [alertView show]; | |
| }); | |
| } | |
| }); |
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