commit bae68675ed347b934fbbfbcd8238a229d57ef14f
author calderwoodra <calderwoodra@google.com> Tue Jul 11 17:59:54 2017 -0700
committer Eric Erfanian <erfanian@google.com> Thu Jul 13 13:58:57 2017 -0700
tree 0b92b6bcc012389d34e8d6bb5acf689e0ac92597
parent b3d73844bd131e6aa806ea44e00cd6c4cd715cda

Fixed ArrayIndexOutOfBoundsException in Contacts Fragment.

If a user caused their activity to undergo several state changes rapidly, they
could get the contacts fragment into a state where it wouldn't have any
elements but still call onScrollChange. This would result in calls to
getFirstCompletelyVisibleItemPosition returning NO_POSITION (-1) and throw an
AIOOBE when attempting to get a row's header value.

Bug: 63594129
Test: manual.
PiperOrigin-RevId: 161610423
Change-Id: I0c53587a6499c42abe5e51b6ac2b4108c0971545