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我想在我的主线程上的tableview控制器上的子视图中显示一个微调。该视图仅在偶尔显示,并且通常在我的后台线程完成后显示。这里是我的代码:Uiactivityindicator没有在子视图中显示
[self.view addSubview:spinnerView];
[self.view bringSubviewToFront:spinnerView];
self.spinnerView.layer.cornerRadius = 8;
self.spinnerView.center = CGPointMake(160, 150);
[spinner startAnimating];
dispatch_queue_t downloadQueue = dispatch_queue_create("downloader", NULL);
dispatch_async(downloadQueue,^{
dispatch_async(dispatch_get_main_queue(), ^{
[NSThread sleepForTimeInterval:10];
// Add recurring transactions if necessary
if (tran.recur.id != 0) {
[Utilities addRecurringTransactionsUpToCurrentMonthByTransaction:tran];
}
[spinner stopAnimating];
[self dismissViewControllerAnimated:YES completion:nil];
});
});
dispatch_release(downloadQueue);
}
}
不是一个Xcode的问题。 – 2013-04-07 12:05:17