[Android] Show/Hide Password in EditText

fun showHidePass(view: View) {
    if(view.id == R.id.iv_login_et_pw) {
        if(login_et_pw.transformationMethod == PasswordTransformationMethod.getInstance()) {
            (view as ImageView).setImageResource(R.drawable.visibility_off)
            login_et_pw.transformationMethod = HideReturnsTransformationMethod.getInstance()
        }else {
            (view as ImageView).setImageResource(R.drawable.visibility_on)
            login_et_pw.transformationMethod = PasswordTransformationMethod.getInstance()
        }
    }
}

<RelativeLayout
    android:id="@+id/rel_login_et_pw"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toBottomOf="@+id/login_et_id">
    <androidx.appcompat.widget.AppCompatEditText
        android:id="@+id/login_et_pw"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:paddingStart="10dp"
        android:textCursorDrawable="@drawable/cursor_color"
        android:hint="@string/login_hint_pw"
        android:textColor="@color/colorBlack"
        android:textColorHint="@color/colorGray"
        android:background="@drawable/rounded_login_edittext_bg"
        android:autofillHints=""
        android:inputType="textPassword" />
    <androidx.appcompat.widget.AppCompatImageView
        android:id="@+id/iv_login_et_pw"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:layout_centerVertical="true"
        android:layout_marginEnd="10dp"
        android:src="@drawable/visibility_on"
        android:alpha=".5"
        android:contentDescription="@string/login" />
</RelativeLayout>