Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public final static String NETWORK_CONN_MOBILE = "connect_mobile";
    public final static String NETWORK_CONN_WIFI = "connect_wifi";

    public static String getNetworkConnType(Context context) {
        ConnectivityManager connectMgr = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        if (null == connectMgr) {
            return null;
        }

        NetworkInfo info = connectMgr.getActiveNetworkInfo();
        if (info == null || !info.isConnected()) {
            return null;
        }
        if (info.isRoaming()) {
            // here is the roaming option you can change it if you want to
            // disable internet while roaming, just return false
            return null;
        }

        NetworkInfo mobileNetworkInfo = connectMgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
        if (null == mobileNetworkInfo) {
            return null;
        }
        NetworkInfo.State mobile = mobileNetworkInfo.getState();
        if (mobile == NetworkInfo.State.CONNECTED || mobile == NetworkInfo.State.CONNECTING) {
            return NETWORK_CONN_MOBILE;
        }

        NetworkInfo wifiNetworkInfo = connectMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
        if (null == wifiNetworkInfo) {
            return null;
        }
        NetworkInfo.State wifi = wifiNetworkInfo.getState();
        if (wifi == NetworkInfo.State.CONNECTED || wifi == NetworkInfo.State.CONNECTING) {
            return NETWORK_CONN_WIFI;
        }
        return null;
    }
}