I am creating change password functionality in android my application is crashing on getResponsecode() : I have provided  onCreate and New password method where on debugging it is crashing on getResponsecode().It is crashing and not getting response.It is not going to get response from server 

     protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.change_password_activity);
            list(getIntent().getExtras().getString("JSON_Object"));
            CurrentPwdCheck();
            NewpwdCheck();
    
            btnSubmit= (Button) findViewById(R.id.btnSubmit);
            btnSubmit.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
    
                    try {
                        NewPwd();
                    } catch (IOException e) {
                        e.printStackTrace();
    
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }
            });
        }
    
        public void NewPwd() throws IOException, JSONException {
    
            String myPwd=new_pwd.getText().toString();
    
            String Surl="http://inmeets.com/ChangePwd.php?uid="+uid+"&NewPwd="+myPwd;
    
            URL url = null;
            HttpURLConnection conn = null;
    
    
                url = new URL(Surl);
            conn = (HttpURLConnection)url.openConnection();
            conn.setRequestMethod("GET");
            conn.setConnectTimeout(1000);
           if( conn.getResponseCode()==203) {
               Toast.makeText(getBaseContext(), "your password changed", Toast.LENGTH_SHORT).show();
           }
        }