android - How to change color of words with hashtags -

i need able display text words starting # in different color , should clickable. how can this?

this should trick

private void settags(textview ptextview, string ptagstring) {     spannablestring string = new spannablestring(ptagstring);      int start = -1;     (int = 0; < ptagstring.length(); i++) {         if (ptagstring.charat(i) == '#') {             start = i;         } else if (ptagstring.charat(i) == ' ' || (i == ptagstring.length() - 1 && start != -1)) {             if (start != -1) {                 if (i == ptagstring.length() - 1) {                     i++; // case if hash last word , there no                             // space after word                 }                  final string tag = ptagstring.substring(start, i);                 string.setspan(new clickablespan() {                      @override                     public void onclick(view widget) {                         log.d("hash", string.format("clicked %s!", tag));                     }                      @override                     public void updatedrawstate(textpaint ds) {                         // link color                         ds.setcolor(color.parsecolor("#33b5e5"));                         ds.setunderlinetext(false);                     }                 }, start, i, spannable.span_exclusive_exclusive);                 start = -1;             }         }     }      ptextview.setmovementmethod(linkmovementmethod.getinstance());     ptextview.settext(string); }