Removing MBProgressHUD when dialog is displayed and selector method not complete

Question

I am using code to call a method and show the HUD as below

 HUD = [[MBProgressHUD alloc] initWithView:self.view]; [self.view addSubview:HUD]; HUD.delegate = self; HUD.labelText = @"Signing you up"; // myProgressTask uses the HUD instance to update progress [HUD showWhileExecuting:@selector(processFieldEntries) onTarget:self withObject:nil animated:YES];

Within the processFieldEntries I have some error checking which then shows a dialog. Like below:

showDialog: if (textError) { UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:errorText message:nil delegate:self cancelButtonTitle:nil otherButtonTitles:@"Ok", nil]; [alertView show]; return; }

This then causes a crash, probably because they are on the same thread or not removing the HUD from the view.

My question is should I add different code to ensure they run on different threads? And what should I add to the processFieldEntries method to then remove the HUD as it is called showWhileExecuting...

StuartM · Accepted Answer · 2012-09-02 21:09:22Z

 MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES]; hud.delegate = self; hud.labelText = @"Signing you up"; dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, 0.05 * NSEC_PER_SEC); dispatch_after(popTime, dispatch_get_main_queue(), ^(void){ [self processFieldEntries]; // Do something... [MBProgressHUD hideHUDForView:self.view animated:YES]; });

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