[swift-users] ideas to remove NSCoding as requirement in UIView subclasses

[Lou Zell]

Tadeas - Just what I was looking for. Thank you!

class BaseView: UIView {
    @available(*, unavailable)
    required init?(coder aDecoder: NSCoder)  {
        fatalError("Not implemented!")
    }
}


On Mon, Oct 10, 2016 at 11:45 AM, Tadeas Kriz <tadeas at brightify.org> wrote:

> Lou, you can create a "class BaseView: UIView" which will serve as a
> default view your views will subclass and inside it, add the init required
> by NSCoding, make its body `fatalError("Not implemented!")` and add the
> following attribute on the init: `@available(*, unavailable)`. Then you'll
> not need to declare it in every view that subclasses the BaseView.
>
> Tadeas
>
> On Sat, Oct 8, 2016 at 8:23 PM Adrian Zubarev via swift-users <
> swift-users at swift.org> wrote:
>
>> This is a wrong place to ask. This topic is part of the iOS SDK from
>> Apple not part of Swift itself or libraries like Foundation.
>>
>>
>> --
>> Adrian Zubarev
>> Sent with Airmail
>>
>> Am 8. Oktober 2016 um 18:32:50, Lou Zell via swift-users (
>> swift-users at swift.org) schrieb:
>>
>> Oh wow, I stumbled on this immediately after posting: For anyone else
>> that fills their NSCoding initializers with assert(false), switch them to
>> fatalError("message")
>>
>> On Sat, Oct 8, 2016 at 9:22 AM, Lou Zell <lzell11 at gmail.com> wrote:
>>
>> Hi all,
>>
>> For better or worse I still hand code most of my views. I am getting
>> frustrated by the constant compiler error that I haven't updated "required
>> init(coder:)", which is something that will never be executed in my case.
>>
>> Is there some hacky mechanism that I could use to create a subtype that
>> doesn't conform to all protocols of the parent?  Seems like recipe for
>> disaster so I suspect it's not built into swift directly.
>>
>> Is there a creative way to use UIViews, but with the dependency on
>> NSCoding removed? I am open to total hacks.
>>
>> Thanks!
>> Lou
>>
>>
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