title: I want to restrict my webservice url accessible from any browser only it is accessbile from android app
body: <p>I am using php for web services so I want to restrict that url( of Web services) from browser so if any user get to know about that url he can not access it from browser </p>
  
  <pre><code>String url_login="abcd.com+email+"+Email+"&amp;pwd="+Password;
  </code></pre>
  
  <p>If Anyone write this url form browser he get message of access denied or something. Is it possible? if yes than please give your suggestions...</p>