What is recommended to handle the scenario "User entered empty/null" value in the search bar. Its in eBook.
Just want to know the genius way to handle apart from providing the error message like "Enter some search text"
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Use a Snackbar (Toast) to show a message.
Snackbars (toasts) are often used as tooltips/popups to show a message at the bottom of the screen, that fade out within seconds.