android - how to make Html hyper link in email -

i making hyper link in below code ,its not click able when sending in emailt

 string url = "http://www.google.com";        string hyperlink = "<a  ref=\"" + url + "\">"+"click"+"</a>";    stringbuilder sb = new stringbuilder(); sb.append(emailpretext+" "+name); sb.append('\n'); sb.append(html.fromhtml(hyperlink)); 

did try this?

string url = "http://www.google.com"; string hyperlink = "<a  href=\"" + url + "\">"+"click"+"</a>"; 

n.b. href & // after protocol.