Context context;
private SharedPreferences setingPreferences = context.getSharedPreferences("Settings", Activity.MODE_PRIVATE);
String ip;
String classs = "net.sourceforge.jtds.jdbc.Driver";
String db = "ISTABLocalDB";
String un = "test";
String password = "test";
@SuppressLint("NewApi")
public Connection CONN() {
    ip = setingPreferences.getString("server", "");
    StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
            .permitAll().build();
    StrictMode.setThreadPolicy(policy);
    Connection conn = null;
    String ConnURL = null;
    try {
        Class.forName(classs);
        ConnURL = "jdbc:jtds:sqlserver://" + ip + ";"
                + "databaseName=" + db + ";user=" + un + ";password="
                + password + ";";
        conn = DriverManager.getConnection(ConnURL);
    } catch (SQLException se) {
        Log.e("ERRO", se.getMessage());
    } catch (ClassNotFoundException e) {
        Log.e("ERRO", e.getMessage());
    } catch (Exception e) {
        Log.e("ERRO", e.getMessage());
    }
    return conn;
}