Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.IOException;

import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import android.content.Context;

import android.net.ConnectivityManager;
import android.net.NetworkInfo;

public class Main {
    /**
     * This method checks if the Network available on the device or not.
     * 
     * @param context
     * @return true if network available, false otherwise
     */
    public static Boolean isNetworkAvailable(Context context) {
        boolean connected = false;
        final ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        final NetworkInfo netInfo = cm.getActiveNetworkInfo();
        if (netInfo != null && netInfo.isConnectedOrConnecting()) {
            connected = true;
        } else if (netInfo != null && netInfo.isConnected() && cm.getActiveNetworkInfo().isAvailable()) {
            connected = true;
        } else if (netInfo != null && netInfo.isConnected()) {
            try {
                URL url = new URL("http://www.google.com");
                HttpURLConnection urlc = (HttpURLConnection) url.openConnection();
                urlc.setConnectTimeout(3000);
                urlc.connect();
                if (urlc.getResponseCode() == 200) {
                    connected = true;
                }
            } catch (MalformedURLException e1) {
                e1.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
        } else if (cm != null) {
            final NetworkInfo[] netInfoAll = cm.getAllNetworkInfo();
            for (NetworkInfo ni : netInfoAll) {
                System.out.println("get network type :::" + ni.getTypeName());
                if ((ni.getTypeName().equalsIgnoreCase("WIFI") || ni.getTypeName().equalsIgnoreCase("MOBILE"))
                        && ni.isConnected() && ni.isAvailable()) {
                    connected = true;
                    if (connected) {
                        break;
                    }
                }
            }
        }
        return connected;
    }
}