Detect network connection type on Android

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后悔当初
后悔当初 2020-11-22 05:55

How do you detect the network connection type on Android?

Is it through ConnectivityManager.getActiveNetworkInfo().getType(), and is the answer limited

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  • 2020-11-22 06:42

    You can make custom Method to accomplish this task.

      public String getNetworkClass(Context context) {
            TelephonyManager mTelephonyManager = (TelephonyManager)
                    context.getSystemService(Context.TELEPHONY_SERVICE);
            int networkType = mTelephonyManager.getNetworkType();
            switch (networkType) {
                case TelephonyManager.NETWORK_TYPE_GPRS:
                case TelephonyManager.NETWORK_TYPE_EDGE:
                case TelephonyManager.NETWORK_TYPE_CDMA:
                case TelephonyManager.NETWORK_TYPE_1xRTT:
                case TelephonyManager.NETWORK_TYPE_IDEN:
                    return "2G";
                case TelephonyManager.NETWORK_TYPE_UMTS:
                case TelephonyManager.NETWORK_TYPE_EVDO_0:
                case TelephonyManager.NETWORK_TYPE_EVDO_A:
                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:
                    return "3G";
                case TelephonyManager.NETWORK_TYPE_LTE:
                    return "4G";
                default:
                    return "Unknown";
            }
        }
    
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  • 2020-11-22 06:48

    @Emil's answer above is brilliant.

    Small addition: We should ideally use TelephonyManager to detect network types. So the above should instead read:

    /**
     * Check if there is fast connectivity
     * @param context
     * @return
     */
    public static boolean isConnectedFast(Context context){
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo info = cm.getActiveNetworkInfo();
        TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        return (info != null && info.isConnected() && Connectivity.isConnectionFast(info.getType(), tm.getNetworkType()));
    }
    
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