iPhone Objective C - wait_fences：未能收到回复：10004003 [英] iPhone Objective C - wait_fences: failed to receive reply: 10004003

问题描述

我有这个奇怪的错误：wait_fences：在此代码中未能收到回复：10004003：

i have this strange error : wait_fences: failed to receive reply: 10004003 in this code :

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {

    if (buttonIndex==0) {
        [self showActivityViewer];
        [NSTimer scheduledTimerWithTimeInterval:6.0 target:self selector:@selector(hideActivityViewer) userInfo:nil repeats:NO];
        [self downloadControlAndUpdatePoi];
        [self downloadControlAndUpdateItinerari];
        [self downloadControlAndUpdateEventi];
        [self downloadControlAndUpdateArtisti];
        NSLog(@"AGGIORNA");
    } else {
        NSLog(@"NON AGGIORNARE");
        return;
    }
}

为什么？哪里可能是错误或问题??

Why?? Where could be the possibile error or problem??

推荐答案

如果您尝试推送/显示另一个视图控制器会发生这种情况在警报视图实际被解除之前。当我在iOS 4中运行我的一个应用程序时发生这种情况。我不知道这个问题的确切原因，但您可以通过将所有代码从 clickedButtonAtIndex：方法移动到来解决此问题。 didDismissWithButtonIndex：方法。

This happens if you try to push/present another view controller before the alert view is actually dismissed. This happened when I ran one of my apps in iOS 4. I don't know the exact reason for this problem, but you can resolve this by moving all the code from clickedButtonAtIndex: method to didDismissWithButtonIndex: method.

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