LinXiaoTao

private static String getDefaultUserAgent() {
        StringBuilder result = new StringBuilder(64);
        result.append("Dalvik/");
        result.append(System.getProperty("java.vm.version")); // such as 1.1.0
        result.append(" (Linux; U; Android ");

        String version = Build.VERSION.RELEASE; // "1.0" or "3.4b5"
        result.append(version.length() > 0 ? version : "1.0");

        // add the model for the release build