IOS -------- get the WiFi and IP address of the current connection, ios -------- wifi

Source: Internet
Author: User

IOS -------- get the WiFi and IP address of the current connection, ios -------- wifi

Import header files

# Import <ifaddrs. h>
# Import <arpa/inet. h>
# Import <SystemConfiguration/CaptiveNetwork. h>

 

+ (nullable NSString*)getCurrentLocalIP{    NSString *address = nil;    struct ifaddrs *interfaces = NULL;    struct ifaddrs *temp_addr = NULL;    int success = 0;    // retrieve the current interfaces - returns 0 on success    success = getifaddrs(&interfaces);    if (success == 0) {        // Loop through linked list of interfaces        temp_addr = interfaces;        while(temp_addr != NULL) {            if(temp_addr->ifa_addr->sa_family == AF_INET) {                // Check if interface is en0 which is the wifi connection on the iPhone                if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {                    // Get NSString from C String                    address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];                }            }            temp_addr = temp_addr->ifa_next;        }    }    // Free memory    freeifaddrs(interfaces);    return address;}+ (nullable NSString *)getCurreWiFiSsid {    NSArray *ifs = (__bridge_transfer id)CNCopySupportedInterfaces();    NSLog(@"Supported interfaces: %@", ifs);    id info = nil;    for (NSString *ifnam in ifs) {        info = (__bridge_transfer id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);        NSLog(@"%@ => %@", ifnam, info);        if (info && [info count]) { break; }    }    return [(NSDictionary*)info objectForKey:@"SSID"];}

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.