import java.sql.Connection;



import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.Statement;
import android.app.Activity;

public class MysqlSample01Activity extends Activity {

private static final String url = "jdbc:mysql://<server>:<port>/<database>";
private static final String user = "<username>";
private static final String pass = "<password>";

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    testDB();
}

public void testDB() {
    TextView tv = (TextView)this.findViewById(R.id.text_view);
    try {
        Class.forName("com.mysql.jdbc.Driver");
        Connection con = DriverManager.getConnection(url, user, pass);
        /* System.out.println("Database connection success"); */

        String result = "Database connection successn";
        Statement st = con.createStatement();
        ResultSet rs = st.executeQuery("select * from table_name");
        ResultSetMetaData rsmd = rs.getMetaData();

        while(rs.next()) {
            result += rsmd.getColumnName(1) + ": " + rs.getInt(1) + "n";
            result += rsmd.getColumnName(2) + ": " + rs.getString(2) + "n";
            result += rsmd.getColumnName(3) + ": " + rs.getString(3) + "n";
        }
        tv.setText(result);
    }
    catch(Exception e) {
        e.printStackTrace();
        tv.setText(e.toString());
    }

}

compile group: 'mysql', name: 'mysql-connector-java', version: '5.1.44'