手机系统版本跳转

- (NSString*) machineName{

    struct utsname systemInfo;

    uname(&systemInfo;);

    NSString *result = [NSString stringWithCString:systemInfo.machine

                                          encoding:NSUTF8StringEncoding];

    return result;

}

//成功

NSString *phoneVersion = [[ UIDevice currentDevice ] systemVersion ];

   NSLog(@"手机系统版本：%@",phoneVersion);

跳转链接

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://blog.csdn.net/joycecsdn"]];

跳转呼叫

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel://8008808888"]];

跳转设置

-(IBAction)btnSetting:(id)sender{ 

    NSURL*url=[NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"]; 

    [[UIApplication sharedApplication] openURL:url]; 

}