tree e77358396937d19f1decdf760422f0c63bde6909
parent 67ee3e191e37199a0efdf5cf41990ae7258402f6
author Greg Spencer <gspencergoog@users.noreply.github.com> 1562802572 -0700
committer GitHub <noreply@github.com> 1562802572 -0700
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Change focus example to be more canonical (and correct), listening to the focus node for changes. (#35913)

This changes the example for FocusNode to be more correct, listening to the focus node for changes, instead of assuming that it is the only one doing the changing.