If closing the app during import show the following modal:

"Are you sure you want to close MIXO?

Importing will discontinue and not restart when you next open MIXO."

If closing the app during analysis/upload show the following modal:

"Are you sure you want to close MIXO?

MIXO is currently analysing / uploading your library, this process will continue when you next open MIXO"

With options to Exit MIXO or Cancel