android 获取网络类型的方法

最新推荐文章于 2023-08-06 16:10:28 发布

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/**
 * 获取当前网络连接类型
 *
 * @param context
 * @return
 */
public static NetWorkState getNetWorkStatus(Context context) {
    NetWorkState stateCode = NetWorkState.NET_WORK_NO;
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo ni = cm.getActiveNetworkInfo();
    if (ni != null && ni.isConnectedOrConnecting()) {
        switch (ni.getType()) {
            case ConnectivityManager.TYPE_WIFI:
                stateCode = NetWorkState.NET_WORK_WIFI;
                break;
            case ConnectivityManager.TYPE_MOBILE:
                switch (ni.getSubtype()) {
                    case TelephonyManager.NETWORK_TYPE_GPRS: //联通2g
                    case TelephonyManager.NETWORK_TYPE_CDMA: //电信2g
                    case TelephonyManager.NETWORK_TYPE_EDGE: //移动2g
                    case TelephonyManager.NETWORK_TYPE_1xRTT:
                    case TelephonyManager.NETWORK_TYPE_IDEN:
                        stateCode = NetWorkState.NET_WORK_2G;
                        break;
                    case TelephonyManager.NETWORK_TYPE_EVDO_A: //电信3g
                    case TelephonyManager.NETWORK_TYPE_UMTS:
                    case TelephonyManager.NETWORK_TYPE_EVDO_0:
                    case TelephonyManager.NETWORK_TYPE_HSDPA:
                    case TelephonyManager.NETWORK_TYPE_HSUPA:
                    case TelephonyManager.NETWORK_TYPE_HSPA:
                    case TelephonyManager.NETWORK_TYPE_EVDO_B:
                    case TelephonyManager.NETWORK_TYPE_EHRPD:
                    case TelephonyManager.NETWORK_TYPE_HSPAP:
                        stateCode = NetWorkState.NET_WORK_3G;
                        break;
                    case TelephonyManager.NETWORK_TYPE_LTE:
                        stateCode = NetWorkState.NET_WORK_4G;
                        break;
                    default:
                        stateCode = NetWorkState.NET_WORK_UNKNOWN;
                }
                break;
            default:
                stateCode = NetWorkState.NET_WORK_UNKNOWN;
        }

    }
    return stateCode;
}