我正在尝试使用导航控制器在两个ViewControllers之间进行转换,segue.destinationViewController引用的对象是:0x1cd93590(下一个视图),但是当对新视图进行更改时,它具有不同的数字对象:0x1cd4556d0。我的代码是:
- (void)updateCodeProduct:(NSString *)code {
[session stopRunning];
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
AudioServicesPlaySystemSound(1111);
// db acces.
NSString *cadena = @"http://172.20.10.2/consultaProd.php?codigo=";
cadena = [cadena stringByAppendingString:codigo];
NSURL *url = [NSURL URLWithString:cadena];
NSError *error = nil;
NSString *retorno = [[NSString alloc] initWithContentsOfURL:url encoding:NSASCIIStringEncoding error:&error];
if (retorno == nil) {
NSLog(@"Error %@\n%@", url, [error localizedFailureReason]);
return;
}
self.detailProd = nil;
self.detailProd = [retorno componentsSeparatedByString:@"\n"];
[self performSegueWithIdentifier:@"DetailSegue" sender:self];
}
prepareForSegue方法是:
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
NSLog(@"%@", [segue destinationViewController]);
if ([segue.identifier isEqualToString:@"DetailSegue"]) {
[segue.destinationViewController updateDetail:detailProd];
}
}
执行segue,但视图不反映当前信息,因为它是一个不同的对象。
任何帮助将不胜感激:)