Re: Popover arrow point never properly aligned
Re: Popover arrow point never properly aligned
- Subject: Re: Popover arrow point never properly aligned
- From: Rick Mann <email@hidden>
- Date: Wed, 01 Jun 2016 13:39:34 -0700
According to the docs, specifying barButtonItem is sufficient:
"Assign a value to this property to anchor the popover to the specified bar button item. When presented, the popover’s arrow points to the specified item. Alternatively, you may specify the anchor location for the popover using the sourceView and sourceRect properties."
It's actually not straightforward to get the rect of a UIBarButtonItem (I don't know why they didn't make that a UIView). So AFAICT, iOS is incorrectly computing the source rect.
> On Jun 1, 2016, at 04:14 , Logan Cautrell <email@hidden> wrote:
>
> I would check the sourceRect property on UIPopoverPresentationController.
>
> If you want precise control over the positioning, then you may need a custom view in a UIBarButton. You can calculate the position and update the sourceRect accordingly.
> -logan
>
>
>> On May 26, 2016, at 7:08 PM, Rick Mann <email@hidden> wrote:
>>
>> I'm presenting a popover from a UINavigationBar UIBarButtonItem. The point of origin of the popover never seems to come out of the center of the UIBarButtonItem. The code I'm using is:
>>
>> @IBAction
>> func
>> shareModel(inSender: AnyObject)
>> {
>> if let model = self.model
>> {
>> let source = ModelShareActivitySource(model)
>> let avc = UIActivityViewController(activityItems: [source], applicationActivities: nil)
>> avc.popoverPresentationController?.barButtonItem = self.shareButton
>> presentViewController(avc, animated: true, completion: nil)
>> }
>> }
>> @IBOutlet weak var shareButton: UIBarButtonItem!
>>
>> Is anyone else seeing this?
>>
>> --
>> Rick Mann
>> email@hidden
>>
>>
>>
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--
Rick Mann
email@hidden
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