4G网络可用

来源：互联网发布：广州恒大淘宝股价编辑：程序博客网时间：2024/04/30 13:37

/**     * 判断当前网络是否是4G网络     *     * @param     * @return boolean     */    public boolean is4GAvailable() {        ConnectivityManager connectivityManager = (ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);        NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();        if (activeNetInfo != null                && activeNetInfo.getType() == ConnectivityManager.TYPE_MOBILE) {            TelephonyManager telephonyManager = (TelephonyManager)                    getActivity().getSystemService(                            Context.TELEPHONY_SERVICE);            int networkType = telephonyManager.getNetworkType();            /** Current network is LTE */            if (networkType == 13) {                /**此时的网络是4G的*/                return true;            }        }        return false;    }

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