Android Marshmallow Callback when user revokes permissions from settings ?

Question

Is there a way to get callbacks if the user revokes permissions from the settings after having granted them?

I know we have to check for permissions before trying t

Answer 1

Is there a way to get callbacks if the user revokes permissions from the settings after having granted them?

No, because your process gets terminated. There is nothing to call back to.

Assuming the user gave permissions when asked and revokes them after the processing starts

In that case, your processing ends abruptly, when your process is terminated.