How to use TextView in Android UI

String msg = getResources().getString(.school_roll_auth); 
    SpannableStringBuilder style = new SpannableStringBuilder(msg); 
    // Set font color    ( 
        new ForegroundColorSpan(getResources().getColor( 
            .tv_color_99)), 0, () - 5, 
        Spannable.SPAN_EXCLUSIVE_INCLUSIVE); 
    ( 
        new ForegroundColorSpan(getResources().getColor( 
            .text_blue)), () - 5, (), 
        Spannable.SPAN_EXCLUSIVE_INCLUSIVE); 
    // Set the font background color    ( 
        new BackgroundColorSpan(getResources().getColor( 
            .bg_common)), () - 5, (), 
        Spannable.SPAN_EXCLUSIVE_INCLUSIVE); 
    // Set the clickable part    (new ClickableSpan() { 
 
      @Override 
      public void onClick(View widget) { 
        //do Click .... 
      } 
 
      @Override 
      public void updateDrawState(TextPaint ds) { 
        (ds); 
        (false); 
        (); 
      } 
 
    }, () - 5, (), Spannable.SPAN_EXCLUSIVE_INCLUSIVE); 
    tv_school_roll_msg.setText(style); 
    // This method is used when you need to respond to user events, such as clicking on a phone number and jumping to the dialing page.  If this method is not executed, the event will not be responded to, even if the text looks like it is underlined blue.    tv_school_roll_msg.setMovementMethod(()); 

//Set different font sizesSpannableStringBuilder sb = new SpannableStringBuilder(numText); 
 
      (new AbsoluteSizeSpan(().getResources() 
          .getDimensionPixelSize(.text_size_24)), 0, 
          (".") + 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 
      (new AbsoluteSizeSpan(().getResources() 
          .getDimensionPixelSize(.text_size_16)), 
          (".") + 1, (), 
          Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 
      (sb); 

SpannableStringBuilder sb = new SpannableStringBuilder(num); 
SpannableStringBuilder sbUnitName = ("Yuan"); 
(new AbsoluteSizeSpan(getResources().getDimensionPixelSize(floatSizeResourcesId)), () - 1, () + (),Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);