Customizable SwiftOverlay.backgroundColor

[moesalih]

For blocking overlays, allow us to customize the background by making SwiftOverlay.backgroundColor public.

[peterprokop]

@moesalih Good suggestion, will implement this in the nearest future.

[giacgbj]

If you want to customize the background color you will probably want to change the text color too.

[maxmumford]

Also some way to have the overlay slowly fade in would make it a bit less jarring - ideally I'd like it to be aesthetically similar to the stock alert view