Using Reachability in iOS

Add the SystemConfiguration framework


#import "Reachability.h"

-(BOOL)reachable {
    NSString *hostName = @"google.com";
    Reachability *r = [Reachability reachabilityWithHostName:hostName];
    NetworkStatus internetStatus = [r currentReachabilityStatus];
    if(internetStatus == NotReachable) {
        return NO;
    }
    return YES;
}


if ([self reachable]) {
    NSLog(@"Reachable");
}
else {
    NSLog(@"Not Reachable");
}