安卓EditText自动获取焦点并弹出软键盘

private fun showSoftInputFromWindow(editText: EditText) {
    editText.isFocusable = true
    editText.isFocusableInTouchMode = true
    editText.requestFocus()
    window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
}