Keyboard visibility for android (activity and fragment)

KeyboardVisibility.kt

import android.app.Activity
import android.view.View
import android.view.inputmethod.InputMethodManager
import androidx.fragment.app.Fragment

fun Activity.hideKeyboard() {
    val imm: InputMethodManager =
        getSystemService(Activity.INPUT_METHOD_SERVICE) as InputMethodManager
    val view = currentFocus ?: View(this)
    imm.hideSoftInputFromWindow(view.windowToken, InputMethodManager.HIDE_NOT_ALWAYS)
}

fun Fragment.hideKeyboard() {
    activity?.apply {
        val imm: InputMethodManager =
            getSystemService(Activity.INPUT_METHOD_SERVICE) as InputMethodManager
        val view = currentFocus ?: View(this)
        imm.hideSoftInputFromWindow(view.windowToken, InputMethodManager.HIDE_NOT_ALWAYS)
    }
}