How to programmatically add ID to textview?

Question

Android

Good day everyone. Tell me, when we do markup, we write like this:

<TextView
                            android:id="@+id/comment_id"

Perfectly. And now we can access the TextView through its id.
How to programmatically add an id to this TextView?
We do this:
textView.setId(i);
where i is Int. In that case, everything works great. But if you try to add like this:
textView.setId(Integer.valueOf(string));
then the application crashes.
Why can we use the literal value of id in markup, but not programmatically?

Answer 1

Why can we use the literal value of id in markup, but not programmatically?

Because "literal value" is a variable, type int (R.id.your_id)