How to use

setSpan

method

in

android.text.SpannableStringBuilder

 final SpannableStringBuilder sb = new SpannableStringBuilder("your text here");

// Span to set text color to some RGB value
final ForegroundColorSpan fcs = new ForegroundColorSpan(Color.rgb(158, 158, 158)); 

// Span to make text bold
final StyleSpan bss = new StyleSpan(android.graphics.Typeface.BOLD); 

// Set the text color for first 4 characters
sb.setSpan(fcs, 0, 4, Spannable.SPAN_INCLUSIVE_INCLUSIVE); 

// make them also bold
sb.setSpan(bss, 0, 4, Spannable.SPAN_INCLUSIVE_INCLUSIVE); 

yourTextView.setText(sb);

 final SpannableStringBuilder sb = new SpannableStringBuilder("HELLOO");

final StyleSpan bss = new StyleSpan(android.graphics.Typeface.BOLD); // Span to make text bold
final StyleSpan iss = new StyleSpan(android.graphics.Typeface.ITALIC); //Span to make text italic
sb.setSpan(bss, 0, 4, Spannable.SPAN_INCLUSIVE_INCLUSIVE); // make first 4 characters Bold 
sb.setSpan(iss, 4, 6, Spannable.SPAN_INCLUSIVE_INCLUSIVE); // make last 2 characters Italic

etx.setText(sb);

TextView txt = (TextView) findViewById(R.id.custom_fonts);  
   txt.setTextSize(30);
   Typeface font = Typeface.createFromAsset(getAssets(), "Akshar.ttf");
   Typeface font2 = Typeface.createFromAsset(getAssets(), "bangla.ttf");   
   SpannableStringBuilder SS = new SpannableStringBuilder("আমারநல்வரவு");
   SS.setSpan (new CustomTypefaceSpan("", font2), 0, 4,Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
   SS.setSpan (new CustomTypefaceSpan("", font), 4, 11,Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
   txt.setText(SS);

final SpannableStringBuilder str = new SpannableStringBuilder("Your awesome text");
 str.setSpan(new android.text.style.StyleSpan(android.graphics.Typeface.BOLD), INT_START, INT_END, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 TextView tv=new TextView(context);
 tv.setText(str);

TextView txt = (TextView) findViewById(R.id.custom_fonts);  
   txt.setTextSize(30);
   Typeface font = Typeface.createFromAsset(getAssets(), "Akshar.ttf");
   Typeface font2 = Typeface.createFromAsset(getAssets(), "bangla.ttf");   
   SpannableStringBuilder SS = new SpannableStringBuilder("আমারநல்வரவு");
   SS.setSpan (new CustomTypefaceSpan("", font2), 0, 4,Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
   SS.setSpan (new CustomTypefaceSpan("", font), 4, 11,Spanned.SPAN_EXCLUSIVE_INCLUSIVE);
   txt.setText(SS);

 int ecolor = xxxx; // whatever color you want
String estring = "Input is incorrect";
ForegroundColorSpan fgcspan = new ForegroundColorSpan(ecolor);
SpannableStringBuilder ssbuilder = new SpannableStringBuilder(estring);
ssbuilder.setSpan(fgcspan, 0, estring.length(), 0);
myedittext.setError(ssbuilder);

 Drawable myDrawable; //Drawable you want to display

@Override
public CharSequence getPageTitle(int position) {

  SpannableStringBuilder sb = new SpannableStringBuilder(" Page #"+ position); // space added before text for convenience

  myDrawable.setBounds(0, 0, myDrawable.getIntrinsicWidth(), myDrawable.getIntrinsicHeight()); 
  ImageSpan span = new ImageSpan(myDrawable, ImageSpan.ALIGN_BASELINE); 
  sb.setSpan(span, 0, 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 

  return sb;
}

 equation = (TextView) findViewById(R.id.textView1);
SpannableStringBuilder cs = new SpannableStringBuilder("X3 + X2");
cs.setSpan(new SuperscriptSpan(), 1, 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
cs.setSpan(new RelativeSizeSpan(0.75f), 1, 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
cs.setSpan(new SuperscriptSpan(), 6, 7, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
cs.setSpan(new RelativeSizeSpan(0.75f), 6, 7, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
equation.setText(cs);

 private SpannableStringBuilder addClickablePart(String str) {
  SpannableStringBuilder ssb = new SpannableStringBuilder(str);

  int idx1 = str.indexOf("[");
  int idx2 = 0;
  while (idx1 != -1) {
    idx2 = str.indexOf("]", idx1) + 1;

    final String clickString = str.substring(idx1, idx2);
    ssb.setSpan(new ClickableSpan() {

      @Override
      public void onClick(View widget) {
        Toast.makeText(getView().getContext(), clickString,
            Toast.LENGTH_SHORT).show();
      }
    }, idx1, idx2, 0);
    idx1 = str.indexOf("[", idx2);
  }

  return ssb;
}

  private CharSequence makeCharSequence() {
    String prefix = "Mixing ";
    String suffix = "different fonts";
    String sequence = prefix + suffix;
    SpannableStringBuilder ssb = new SpannableStringBuilder(sequence);
    ssb.setSpan(new StyleSpan(ITALIC), 0, prefix.length(), SPAN_EXCLUSIVE_EXCLUSIVE);
    ssb.setSpan(new StyleSpan(BOLD), prefix.length(), sequence.length(), SPAN_EXCLUSIVE_EXCLUSIVE);
    return ssb;
  }
}

public SpannableString buildSpannableString() {
 SpannableStringBuilder spannableStringBuilder =
   new SpannableStringBuilder(captionStringBuilder);
 int length = spannableStringBuilder.length();
 if (length > 0) {
  if (italicsStartPosition != C.POSITION_UNSET) {
   spannableStringBuilder.setSpan(new StyleSpan(Typeface.ITALIC), italicsStartPosition,
     length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
  }
  if (underlineStartPosition != C.POSITION_UNSET) {
   spannableStringBuilder.setSpan(new UnderlineSpan(), underlineStartPosition,
     length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
  }
  if (foregroundColorStartPosition != C.POSITION_UNSET) {
   spannableStringBuilder.setSpan(new ForegroundColorSpan(foregroundColor),
     foregroundColorStartPosition, length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
  }
  if (backgroundColorStartPosition != C.POSITION_UNSET) {
   spannableStringBuilder.setSpan(new BackgroundColorSpan(backgroundColor),
     backgroundColorStartPosition, length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
  }
 }
 return new SpannableString(spannableStringBuilder);
}

private SpannableStringBuilder createSpannable(Drawable drawable) {
  String text = "bitmap";
  SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(text);
  ImageSpan span = new ImageSpan(drawable);//ImageSpan.ALIGN_BOTTOM);
  spannableStringBuilder.setSpan(span, 0, text.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
  spannableStringBuilder.append("图文混排");
  spannableStringBuilder.setSpan(new BackgroundColorSpan(Color.parseColor("#8A2233B1")), 0, spannableStringBuilder.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  return spannableStringBuilder;
}

private SpannableStringBuilder createSpannable(Drawable drawable) {
  String text = "bitmap";
  SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(text);
  ImageSpan span = new ImageSpan(drawable);//ImageSpan.ALIGN_BOTTOM);
  spannableStringBuilder.setSpan(span, 0, text.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
  spannableStringBuilder.append("图文混排");
  spannableStringBuilder.setSpan(new BackgroundColorSpan(Color.parseColor("#8A2233B1")), 0, spannableStringBuilder.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  return spannableStringBuilder;
}

private SpannableStringBuilder createSpannable(Drawable drawable) {
  String text = "bitmap";
  SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(text);
  ImageSpan span = new ImageSpan(drawable);//ImageSpan.ALIGN_BOTTOM);
  spannableStringBuilder.setSpan(span, 0, text.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
  spannableStringBuilder.append("图文混排");
  spannableStringBuilder.setSpan(new BackgroundColorSpan(Color.parseColor("#8A2233B1")), 0, spannableStringBuilder.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  return spannableStringBuilder;
}

 String text = "http://www.google.co.in/";
SpannableStringBuilder stringBuilder = new SpannableStringBuilder(text);
MyCustomSpannable customSpannable = new MyCustomSpannable(
                        "http://www.google.co.in/"){

      @Override
      public void onClick(View widget) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setData(Uri.parse(customSpannable.getUrl()));
        startActivity(intent);
      }
    };
    stringBuilder.setSpan(customSpannable, 0, text.length(),
                     Spannable.SPAN_INCLUSIVE_INCLUSIVE);

    textView.setText( stringBuilder, BufferType.SPANNABLE );
    textView.setMovementMethod(LinkMovementMethod.getInstance());

/**
 * Given either a Spannable String or a regular String and a token, apply
 * the given CharacterStyle to the span between the tokens.
 * 
 * NOTE: This method was adapted from:
 *  http://www.androidengineer.com/2010/08/easy-method-for-formatting-android.html
 * 
 * <p>
 * For example, {@code setSpanBetweenTokens("Hello ##world##!", "##", new
 * ForegroundColorSpan(0xFFFF0000));} will return a CharSequence {@code
 * "Hello world!"} with {@code world} in red.
 * 
 */
private CharSequence setSpanBetweenTokens(CharSequence text, String token,
  CharacterStyle... cs) {
 // Start and end refer to the points where the span will apply
 int tokenLen = token.length();
 int start = text.toString().indexOf(token) + tokenLen;
 int end = text.toString().indexOf(token, start);
 if (start > -1 && end > -1) {
  // Copy the spannable string to a mutable spannable string
  SpannableStringBuilder ssb = new SpannableStringBuilder(text);
  for (CharacterStyle c : cs)
   ssb.setSpan(c, start, end, 0);
  text = ssb;
 }
 return text;
}

  private CharSequence getFormattedMessage() {
    final String prefix = "Formatted ";
    final String highlight = "bold italic";
    final String suffix = " text";
    SpannableStringBuilder ssb = new SpannableStringBuilder(prefix).append(highlight).append(suffix);
    int prefixLen = prefix.length();
    ssb.setSpan(new StyleSpan(BOLD_ITALIC),
        prefixLen, prefixLen + highlight.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    return ssb;
  }
}

SpannableStringBuilder stringBuilder = new SpannableStringBuilder();
 String between = "";
 for (String tag : eventListing.getTags()) {
   stringBuilder.append(between);
   if (between.length() == 0) between = "  ";
   String thisTag = "  "+tag+"  ";
   stringBuilder.append(thisTag);
   stringBuilder.setSpan(new RoundedBackgroundSpan(this), stringBuilder.length() - thisTag.length(), stringBuilder.length() - thisTag.length() + thisTag.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
   //stringBuilder.setSpan(new BackgroundColorSpan(getResources().getColor(R.color.gray)), stringBuilder.length() - thisTag.length(), stringBuilder.length() - thisTag.length() + thisTag.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 }
 TextView tv = new TextView(this);
 tv.setText(stringBuilder);

 SpannableStringBuilder longDescription = new SpannableStringBuilder();
longDescription.append("First Part Not Bold ");
int start = longDescription.length();
longDescription.append("BOLD");
longDescription.setSpan(new ForegroundColorSpan(0xFFCC5500), start, longDescription.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
longDescription.setSpan(new StyleSpan(android.graphics.Typeface.BOLD), start, longDescription.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
longDescription.append(" rest not bold");

headerViewHolder.mTypeMore.setVisibility(View.VISIBLE);
headerViewHolder.mAllLiveNum.setVisibility(View.VISIBLE);
SpannableStringBuilder stringBuilder = new SpannableStringBuilder("当前" + liveCount + "个直播");
ForegroundColorSpan foregroundColorSpan = new ForegroundColorSpan(
    mContext.getResources().getColor(R.color.pink_text_color));
stringBuilder.setSpan(foregroundColorSpan, 2,
    stringBuilder.length() - 3, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
headerViewHolder.mAllLiveNum.setText(stringBuilder);