is China Telecom 3G Network Connection - Android Network

Android examples for Network:Network Connection

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Description

is China Telecom 3G Network Connection

Demo Code


//package com.java2s;
import android.annotation.TargetApi;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

import android.os.Build;
import android.telephony.TelephonyManager;

public class Main {

    public static final int NETWORK_TYPE_NO_CONNECTION = -1231545315;

    public static boolean isChinaTelecom3G(Context context) {
        return isEVDO_0BySubtype(context) || isEVDO_ABySubtype(context)
                || isEVDO_BBySubtype(context);
    }/*from   www .j  av a 2  s  .  co m*/

    public static boolean isEVDO_0BySubtype(Context context) {
        return getCurrentNetworkSubtype(context) == TelephonyManager.NETWORK_TYPE_EVDO_0;
    }

    public static boolean isEVDO_ABySubtype(Context context) {
        return getCurrentNetworkSubtype(context) == TelephonyManager.NETWORK_TYPE_EVDO_A;
    }

    @TargetApi(Build.VERSION_CODES.GINGERBREAD)
    public static boolean isEVDO_BBySubtype(Context context) {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.GINGERBREAD) {
            return false;
        } else {
            return getCurrentNetworkSubtype(context) == TelephonyManager.NETWORK_TYPE_EVDO_B;
        }
    }

    public static int getCurrentNetworkSubtype(Context context) {
        NetworkInfo networkInfo = ((ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE))
                .getActiveNetworkInfo();
        return networkInfo != null ? networkInfo.getSubtype()
                : NETWORK_TYPE_NO_CONNECTION;
    }
}

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