How to set the part of the text view is clickable?

How to set the part of the text view is clickable?

A1. Cllickable span

        Sample code:

     TextView myTextView = new TextView(this);
     String myString = "Some text [clickable]";
     int i1 = myString.indexOf("[");
     int i2 = myString.indexOf("]");
     myTextView.setMovementMethod(LinkMovementMethod.getInstance());
     myTextView.setText(myString, BufferType.SPANNABLE);
    Spannable mySpannable = (Spannable)myTextView.getText();
    ClickableSpan myClickableSpan = new ClickableSpan() {
    @Override
    public void onClick(View widget) { /* do something */ }
   };
   mySpannable.setSpan(myClickableSpan, i1, i2 + 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

A2.

      t= (TextView) findViewById(R.id.PP1);

   t.setText(Html.fromHtml("<bThis is normal text </b>" +
                "<a href=\"http://www.xyz-zyyx.com\">This is cliclable text</a> "));
   t.setMovementMethod(LinkMovementMethod.getInstance());

A3.

     

For bold, mySpannable.setSpan(new StyleSpan(Typeface.BOLD),termStart,termStop, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);