Prevent more than one UIPopover from being displayed at a time

Question

My app has a monthly view and for each day in the month, on a long press, a popover is displayed.

I have used self.view setExclusiveTouch:YES to prevent more than one popover occurring at once but that still occasionally allows multiple popovers.

How can I prevent more than one UIPopover from being displayed at a time?

Thanks

score 3 · Accepted Answer · answered May 21 '13 at 15:03

First of all declare a property of type UIPopoverController (lets say activePopover).

In the method that is called on long press do this:

if (self.activePopover != nil)
{
    if (self.activePopover.popoverVisible)
        [ self.activePopover dismissPopoverAnimated:YES];
    self.activePopover = nil;
}

And then when you allocate the UIPopoverController on long press assign it to activePopover. This way you always dismiss a visible popover and only then present a new one.

Thanks. Was best way in the end. I made some stupid mistakes which threw me of track — Dave Chambers, May 21 '13 at 16:50

score 0 · Answer 2 · answered May 21 '13 at 14:58

0

You can disable any interactions outside popover by setting its passthroughViews property to empty array after its presentation.

answered May 21 '13 at 14:58

Roman Temchenko

1,796
1
13
17

Thanks. I think that would have worked but I made some errors and got confused. In the end this wasn't appropriate for the class structure I had – Dave Chambers May 21 '13 at 16:52

score 0 · Answer 3 · answered May 21 '13 at 15:08

0

What about a global boolean flag?

Create it as a property in a global class or in your viewcontroller and check it before opening any popup

Init it with FALSE value and when you are going to open a popup just check its value:

//In the method that handle the long press to open the popup
if(!self.popUpPresent)
{
    //open the pop up
    [self openNewPopUp];
    //put the flag
    self.popUpPresent = TRUE;
}
else
//There is a popup opened, do another stuff or nothing.

Dont forget to reset it value again to FALSE every time you close a popUp.

Hope it helps

answered May 21 '13 at 15:08

Marioea

201
2
5

Great idea. I tried this but somehow I am still getting more than one popover displayed at once!! – Dave Chambers May 21 '13 at 15:10
Where/How do you store that flag? it seems that it is possibly losing its value or it is not setting to 'TRUE' correctly – Marioea May 21 '13 at 15:38
I'm working on a solution. Some of the other answers have good points but it somehow seems iOS recognises an additional touch BEFORE I can disallow a second popover. I think it's a timing issue – Dave Chambers May 21 '13 at 15:41
try the "self.popUpPresent = TRUE;" inside of the 'init' method of your popUp...could help if it is a timing issue – Marioea May 21 '13 at 15:48

Prevent more than one UIPopover from being displayed at a time

3 Answers3