如何使用Kotlin从片段关闭软键盘？

import android.content.Context
import android.os.Bundle
import android.view.inputmethod.InputMethodManager
import androidx.fragment.app.Fragment
import android.view.View

class MyFragment : Fragment() {

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        // 假设你有一个按钮，点击后关闭软键盘
        val button = view.findViewById<View>(R.id.close_keyboard_button)
        button.setOnClickListener {
            closeKeyboard(view)
        }
    }

    private fun closeKeyboard(view: View) {
        val imm = requireContext().getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
        imm.hideSoftInputFromWindow(view.windowToken, 0)
    }
}