I have a UITabBar and a button in it. I am calling up a popover on the
button, but I want to make sure I only ever have one. And when the iPad is
rotated, remove the popover (I don't want it up anymore at that point). How
do I detect an event where the popover is dismissed by clicking outside the
control? If it's removed like that, my check for nil shows that it still
exists...
- (void) accountAction:(id)sender {
//Only one menu please.
if( self.popoverController != nil ){
NSLog(@"already exists");
return;
}
UIViewController *popoverContent = [[UIViewController alloc] init];
UIView *popoverview = [[UIView alloc]
initWithFrame:CGRectMake(0,0,300,400)];
popoverview.backgroundColor = [UIColor blueColor];
popoverContent.view = popoverview;
popoverContent.contentSizeForViewInPopover = CGSizeMake(300, 400);
self.popoverController = [[UIPopoverController alloc]
initWithContentViewController:popoverContent];
[self.popoverController presentPopoverFromBarButtonItem:sender
permittedArrowDirections:UIPopoverArrowDirectionUp
animated:NO];
[popoverview release];
[popoverContent release];
}
-
(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
//This fails if one clicks outside popover to dismiss it.
if (self.popoverController != nil){
[self.popoverController dismissPopoverAnimated:YES];
self.popoverController = nil;
}
return YES;
}
I would need to make sure that the popoverController is set to nil when it's
dimissed by clicking outside it. How would I do that?
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