Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2009 Nominet UK
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.app.Service;
import android.content.Context;

import android.content.SharedPreferences;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.preference.PreferenceManager;
import android.telephony.TelephonyManager;

public class Main {
    static private boolean mMobile = true;
    static private boolean mOnline = false;

    static public synchronized boolean checkConnectivity(Context context) {

        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
        // mMobile = prefs.getBoolean(ENUMPrefs.ENUM_PREF_MOBILE, false);
        mOnline = false;

        ConnectivityManager mCmgr = (ConnectivityManager) context.getSystemService(Service.CONNECTIVITY_SERVICE);

        NetworkInfo ni = mCmgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
        if (ni != null && ni.isConnected()) { /* wifi is on */
            mOnline = true;
        } else {
            if (mMobile) {
                /* if mobile is active and EDGE or better, we're good */
                ni = mCmgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
                if (ni != null && ni.isConnected()) {
                    mOnline = (ni.getSubtype() >= TelephonyManager.NETWORK_TYPE_EDGE);
                }
            }
        }
        return mOnline;
    }
}