how to change android SearchView text

Question

Is there a setText() method for SearchView or something like that? I try to set the search text in the searchView like this but there is no method for like this.

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Answer 1

If you want pre-fil your SearchView with some text searchView.setQuery(text, false) would not work out of the box. the reason is when SearchView gets expanded

searchView.onActionViewExpanded()

get called which calls searchView.setText("") and clears any text we have set.

Solution is to set an Expand listener and set the pre-fil text once the SearchView is expanded

override fun onCreateOptionsMenu(menu: Menu): Boolean {
    menuInflater.inflate(R.menu.main, menu)
    val searchView = menu.findItem(R.id.action_search).actionView as SearchView
    menu.findItem(R.id.action_search).setOnActionExpandListener(object : MenuItem.OnActionExpandListener {
        override fun onMenuItemActionExpand(item: MenuItem?): Boolean {
            // it is important to call this before we set our own query text.
            searchView.onActionViewExpanded()
            searchView.setQuery("Prefil Text", false)
            return true
        }

        override fun onMenuItemActionCollapse(item: MenuItem?) = true
    })
    return true
}