Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (c) 2013-2014, ?? ??(http://1.playandroid.duapp.com/)
 *
 * 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.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;
import android.util.Log;

public class Main {
    private static String LOG_TAG = "NetWorkHelper";

    /**
     * 
     * @param context
     * @return
     */
    public static boolean isNetworkRoaming(Context context) {
        ConnectivityManager connectivity = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        if (connectivity == null) {
            Log.w(LOG_TAG, "couldn't get connectivity manager");
        } else {
            NetworkInfo info = connectivity.getActiveNetworkInfo();
            if (info != null && info.getType() == ConnectivityManager.TYPE_MOBILE) {
                TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
                if (tm != null && tm.isNetworkRoaming()) {
                    Log.d(LOG_TAG, "network is roaming");
                    return true;
                } else {
                    Log.d(LOG_TAG, "network is not roaming");
                }
            } else {
                Log.d(LOG_TAG, "not using mobile network");
            }
        }
        return false;
    }
}