How to Implement and use Searchview in Android toolbar (Kotlin and AndroidX)
You are going to learn how to use searchview in android studio in android on your android toolbar or appbar or action bar....what ever, this can be used to filter results in a recyclerview or search for a result from a database such as Room database. We are going to use Kotlin and Androidx for this lesson so it's using the latest tools.
Tips from android docs: When the SearchView is used in an androidx.appcompat.app.ActionBar as an action view, it's collapsed by default, so you must provide an icon for the action. If you want the search field to always be visible, then call setIconifiedByDefault(false).
We use OnqueryTextchangedListener to listen for real-time text changes.
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