AlertDialogFragment: Use no-args constructor.
Don't show idle dialog if already visible.
setup: Don't create inner subclasses of SetupTextFragment.
Update copyright notices.

Changes generated automatically by Android Studio.
Tolerate missing scheme in saved URL.
Properly synchronize in onStart().
Guard against a potential (unresolved) crash.
Show other errors when submitting bug report.
Don’t show an alert if the activity is finishing.
Hide dialog on stop.
Clean up TapStatusFragment.

Uses fragment arguments instead of out-of-band
setTapDetails(); resolves a UI issue where the tap details
would be missing after instance state was restored.