On 1 Oct 2013, at 14:04, Mike Abdullah <mabdul...@karelia.com> wrote:

> 
> On 1 Oct 2013, at 14:00, Dave <d...@looktowindward.com> wrote:
> 
>> 
>> On 1 Oct 2013, at 12:27, Roland King <r...@rols.org> wrote:
>> 
>>> 
>>> On 1 Oct, 2013, at 7:02 pm, Dave <d...@looktowindward.com> wrote:
>>> 
>>>> Hi All,
>>>> 
>>>> This had reared it's ugly head again! I have been asked to add an event to 
>>>> the Calendar WITHOUT asking the user for permission as the Standard 
>>>> Manner. I basically said it couldn't be done based on feedback from here. 
>>>> However, I've was today shown this (See link below) and asked "if they can 
>>>> do it, why can't you?". 
>>>> 
>>>> http://m.gunwharf-quays.com/whats-on/policing-through-ages
>>>> 
>>>> If you open the above link on an iPhone and then click the Add to Calendar 
>>>> button, you will that it appears to add an event to the calendar WITHOUT 
>>>> asking the user for permission! How does it manage to do it? I thought 
>>>> that the OS would intercept any Calendar access calls and show the Alert 
>>>> Box and ask the user for permission to access the Calendar, but this 
>>>> doesn't seem to be the case here. Is this because it's being run in 
>>>> Safari? Can I get the same behaviour from an iOS Native App?
>>>> 
>>> 
>>> Yes probably because it's Safari which is trusted and the user clicking the 
>>> link is enough intent (and because it's Safari and Apple wrote it they get 
>>> to determine what constitutes user-intent). 
>>> 
>>> No you can't get that in a native iOS application. The user must consent to 
>>> any native non-Apple application accessing the calendar. 
>> 
>> So, what's stopping me or anyone else, running this in a Web View? That 
>> would get around it, wouldn't it?
> 
> Feel free to try it. I suspect Apple's developers won't have been that naïve 
> though…
> 
A quick try in TweetBot finds that link does nothing. Safari is performing 
special handling of the calendar event.


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