SpannableString word = new SpannableString("The quick fox jumps over the lazy dog");  
  
SpannableStringBuilder multiWord = new SpannableStringBuilder();  
multiWord.append("The Quick Fox");  
multiWord.append("jumps over");  
multiWord.append("the lazy dog");  

package com.android.effective;  
  
  
  
import java.util.regex.Matcher;  
  
import java.util.regex.Pattern;  
  
  
  
import android.app.Activity;  
  
import android.graphics.Color;  
  
import android.graphics.Typeface;  
  
import android.os.Bundle;  
  
import android.text.Spannable;  
  
import android.text.SpannableString;  
  
import android.text.SpannableStringBuilder;  
  
import android.text.style.AbsoluteSizeSpan;  
  
import android.text.style.BackgroundColorSpan;  
  
import android.text.style.ForegroundColorSpan;  
  
import android.text.style.QuoteSpan;  
  
import android.text.style.RelativeSizeSpan;  
  
import android.text.style.ScaleXSpan;  
  
import android.text.style.StrikethroughSpan;  
  
import android.text.style.StyleSpan;  
  
import android.text.style.TypefaceSpan;  
  
import android.text.style.URLSpan;  
  
import android.text.util.Linkify;  
  
import android.widget.TextView;  
  
  
  
public class TextViewFontActivity extends Activity {  
  
    @Override  
  
    public void onCreate(Bundle bundle) {  
  
        super.onCreate(bundle);  
  
        setContentView(R.layout.textview_font_1);  
  
          
  
        // Demonstration of basic SpannableString and spans usage  
  
        final TextView textWithString = (TextView) findViewById(R.id.text_view_font_1);  
  
        String w = "The quick fox jumps over the lazy dog";  
  
        int start = w.indexOf(‘q‘);  
  
        int end = w.indexOf(‘k‘) + 1;  
  
        Spannable word = new SpannableString(w);  
  
        word.setSpan(new AbsoluteSizeSpan(22), start, end,   
  
                Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        word.setSpan(new StyleSpan(Typeface.BOLD), start, end,   
  
                Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        word.setSpan(new BackgroundColorSpan(Color.RED), start, end,   
  
                Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        textWithString.setText(word);  
  
          
  
        // Demonstration of basic SpannableStringBuilder and spans usage  
  
        final TextView textWithBuilder = (TextView) findViewById(R.id.text_view_font_2);  
  
        SpannableStringBuilder word2 = new SpannableStringBuilder();  
  
        final String one = "Freedom is nothing but a chance to be better!";  
  
        final String two = "The quick fox jumps over the lazy dog!";  
  
        final String three = "The tree of liberty must be refreshed from time to time with " +  
  
                "the blood of patroits and tyrants!";  
  
        word2.append(one);  
  
        start = 0;  
  
        end = one.length();  
  
        word2.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);  
  
  
  
        word2.append(two);  
  
        start = end;  
  
        end += two.length();  
  
        word2.setSpan(new ForegroundColorSpan(Color.CYAN), start, end,   
  
                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);  
  
        word2.append(three);  
  
        start = end;  
  
        end += three.length();  
  
        word2.setSpan(new URLSpan(three), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);  
  
        textWithBuilder.setText(word2);  
  
          
  
        // Troubleshooting when using SpannableStringBuilder  
  
        final TextView textTroubles = (TextView) findViewById(R.id.text_view_font_3);  
  
        SpannableStringBuilder word3 = new SpannableStringBuilder();  
  
        start = 0;  
  
        end = one.length();  
  
        // Caution: must first append or set text to SpannableStringBuilder or SpannableString  
  
        // then set the spans to them, otherwise, IndexOutOfBoundException is thrown when setting spans  
  
        word3.append(one);  
  
        // For AbsoluteSizeSpan, the flag must be set to 0, otherwise, it will apply this span to until end of text  
  
        word3.setSpan(new AbsoluteSizeSpan(22), start, end, 0);//Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        // For BackgroundColorSpanSpan, the flag must be set to 0, otherwise, it will apply this span to end of text  
  
        word3.setSpan(new BackgroundColorSpan(Color.DKGRAY), start, end, 0); //Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        word3.append(two);  
  
        start = end;  
  
        end += two.length();  
  
        word3.setSpan(new TypefaceSpan("sans-serif"), start, end,   
  
                Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        // TODO: sometimes, flag must be set to 0, otherwise it will apply the span to until end of text  
  
        // which MIGHT has nothing to do with specific span type.  
  
        word3.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), start, end, 0);//Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        word3.setSpan(new ScaleXSpan(0.618f), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        word3.setSpan(new StrikethroughSpan(), start, end, 0);//Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        word3.setSpan(new ForegroundColorSpan(Color.CYAN), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        word3.setSpan(new QuoteSpan(), start, end, 0); //Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        word3.append(three);  
  
        start = end;  
  
        end += three.length();  
  
        word3.setSpan(new RelativeSizeSpan((float) Math.E), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        word3.setSpan(new ForegroundColorSpan(Color.BLUE), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        textTroubles.setText(word3);  
  
          
  
        // Highlight some patterns  
  
        final String four = "The gap between the best software engineering " +  
  
                "practice and the average practice is very wide¡ªperhaps wider " +  
  
                " than in any other engineering discipline. A tool that disseminates " +  
  
                "good practice would be important.¡ªFred Brooks";  
  
        final Pattern highlight = Pattern.compile("the");  
  
        final TextView textHighlight = (TextView) findViewById(R.id.text_view_font_4);  
  
        SpannableString word4 = new SpannableString(four);  
  
        Matcher m = highlight.matcher(word4.toString());  
  
        while (m.find()) {  
  
            word4.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), m.start(), m.end(),   
  
                    Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
            word4.setSpan(new ForegroundColorSpan(Color.RED), m.start(), m.end(),   
  
                    Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
            word4.setSpan(new StrikethroughSpan(), m.start(), m.end(),   
  
                    Spannable.SPAN_INCLUSIVE_INCLUSIVE);  
  
        }  
  
        textHighlight.setText(word4);  
  
          
  
        // Set numbers, URLs and E-mail address to be clickable with TextView#setAutoLinkMask  
  
        final TextView textClickable = (TextView) findViewById(R.id.text_view_font_5);    
  
        final String contact = "Email: mvp@microsoft.com\n" +  
  
                "Phone: +47-24885883\n" +  
  
                "Fax: +47-24885883\n" +  
  
                "HTTP: www.microsoft.com/mvp.asp";  
  
        // Set the attribute first, then set the text. Otherwise, it won‘t work  
  
        textClickable.setAutoLinkMask(Linkify.ALL); // or set ‘android:autoLink‘ in layout xml  
  
        textClickable.setText(contact);  
    }  
}