public void onClick(View v) {
            // create our mysql database connection
            try {
                System.out.println("Loading driver...");
                Class.forName("com.mysql.jdbc.Driver");
                System.out.println("Driver loaded!");
            } catch (ClassNotFoundException e) {
                throw new RuntimeException("Cannot find the driver in the classpath!", e);
            }
            try
            {
                Connection conn;
                conn = DriverManager.getConnection("jdbc:mysql://ls-3696c8c5ea6858991e00efb9f56cd885b537c8e1.cygym1zxattm.ap-south-1.rds.amazonaws.com:3306/camagru", "username", "password");
                // our SQL SELECT query.
                // if you only need a few columns, specify them by name instead of using "*"
                String query = "SELECT * FROM users";

                // create the java statement
                Statement st = conn.createStatement();

                // execute the query, and get a java result set
                ResultSet rs = st.executeQuery(query);

                String Username = rs.getString("username");

                // print the results
                System.out.format("%sn", Username);

                st.close();
            }
            catch (Exception e)
            {
                System.err.println("Got an exception! ");
                System.err.println(e.getMessage());
            }
        }