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 = [[UIDevicecurrentDevice]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];
}