Java tutorial
//package com.java2s; import android.text.Spannable; import android.text.SpannableString; import android.text.style.AbsoluteSizeSpan; import android.text.style.ForegroundColorSpan; import android.widget.TextView; public class Main { public static void setPartialSizeAndColor(TextView tv, int start, int end, int textSize, int textColor) { String s = tv.getText().toString(); Spannable spannable = new SpannableString(s); spannable.setSpan(new AbsoluteSizeSpan(textSize, false), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); spannable.setSpan(new ForegroundColorSpan(textColor), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); tv.setText(spannable); } }