Option to attach to view so both can dismiss at the same time

[timroesner]

Steps to reproduce:

1. Go to view with SVProgressHUD
2. Progress spinner appears
3. Leave view before spinner is dismissed
4. Spinner will never disappear

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Expected result:

1. Go to view with SVProgressHUD
2. Progress spinner appears
3. Leave view before spinner is dismissed
4. Spinner disappears with view

I know this can be achieved with dismissing the ProgressHUD in the viewWillDisappear method but I would prefer not doing that in every view that I am presenting a ProgressHUD. MBProgressView does offer this option for example, but they don't have a flat UI.

[honkmaster]

Thanks for this exemplary report. I will look into this, however, if you could provide a minimal demo project this would help alot and speed up the process as my time is very limited.

[timroesner]

Of course! Just use timroesner/9to5Mac as an example project. You can reproduce it when you back out of the article view before the spinner disappears.

PR #753 talks about this issue as well

[toohotz]

@timroesner would it be something like this that you are looking to achieve? I made this PR after running into a similar issue that you stated.
https://github.com/SVProgressHUD/SVProgressHUD/pull/753

[timroesner]

Yes exactly, if that PR isn't merged soon I'll just use your branch

[toohotz]

@timroesner Sure, I'll keep my fork updated with the master fork if / when my PR does get merged in

[timroesner]

@toohotz Thank you! I appreciate that, I'll be using your fork then

[honkmaster]

#753 is to cluttered for a single PR at the moment to be merged into the master.

[toohotz]

@honkmaster saw your message, I'll split them into two PRs, thanks.

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