android:how to set text view as bold by coding not via XML

I want to set text of TextView as Bo开发者_开发问答ld style from code instead of XML?

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for textview set bold by coding

using this..

TextView.setTypeface(null, Typeface.BOLD);

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textView.setTypeface(null, Typeface.BOLD_ITALIC);
textView.setTypeface(null, Typeface.BOLD);
textView.setTypeface(null, Typeface.ITALIC);
textView.setTypeface(null, Typeface.NORMAL);

And:

import android.graphics.Typeface;