public void ConnectToDatabase() {
   try {
       String connectionUrl1 = "jdbc:sqlserver://my.no-ip.org:49159;databaseName=database;user=username;password=pw";
       Connection DbConn = null;
       Statement stmt = null;
       ResultSet rs = null;

       Log.w("Success", "Class found.");
       Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver").newInstance();


       DbConn = DriverManager.getConnection(connectionUrl1);
       Log.w("Success", "Connection Established.");

       stmt = DbConn.createStatement();
       rs = stmt.executeQuery("select * from table");
       DbConn.close();

    } catch (SQLException sq) {
       displaymessage3.setText("Connection Errorn" + sq.getMessage());
       Log.w("Error connection", "" + sq.getMessage());
   } catch(Exception e){
       displaymessage4.setText("Connection Errorn" + e.getMessage());
       Log.w("Error connection", "" + e.getMessage());
   }
}

03-20 22:17:03.507 1830-1830/myprogram W/Success: Class found.
   03-20 22:17:03.517 1830-1830/myprogram W/Error connection: null

var conn = Jdbc.getConnection('jdbc:sqlserver://my.no-ip.org:49159', 'username', 'pw');