Here you can find the source of setBold(TextView tv)
public static void setBold(TextView tv)
//package com.java2s; import android.text.TextPaint; import android.widget.TextView; public class Main { public static void setBold(TextView tv) { TextPaint tp = tv.getPaint();// w ww . j a v a 2s . c o m tp.setFakeBoldText(true); } }