如何使用 JDBC 驅動程式將 Android 應用程式連接到 MySQL 資料庫？

try{
    Class.forName("com.mysql.jdbc.Driver").newInstance();
}catch(Exception e){
    System.err.println("Cannot create connection");
}
try{
    connection = DriverManager.getConnection("jdbc:mysql://192.168.xx.xx:3306/dbname","root","password");
    Statement statement = connection.createStatement();

    String query = "SELECT column1, column2 FROM table1 WHERE column3 = ";
    query = query +"'" +variable+"'";           
    ResultSet result = statement.executeQuery(query);
}catch(Exception e){
    System.err.println("Error");
}