How To Collapse SearchView When Back Key Is Pressed

Whenever a user presses the search button and the SearchView component is shown, it goes back to the button MenuItem once a query is submitted.

However, when a user press the Back key, only the keyboard is hidden but the SearchView component is still visible. If you press the Back key again, one would expect the SearchView to be iconified but the app exits instead.

The workaround for this is to add an OnFocusChangeListener to the SearchView component. Whenever the keyboard gets shown and hidden, the onFocusChange() method gets called.

Here is the code:

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