Network.java

package com.appdynamics.demo.gasp.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;
import android.widget.Toast;

import com.appdynamics.demo.gasp.R;

/**
 * Copyright (c) 2013 Mark Prichard
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.
 */

public class Network {
    private static final String TAG = Network.class.getName();

    /**
     * Check for active network connection
     * @return true if device has a network connection
     */
    public static boolean checkNetworking(Context context) {
        boolean connected = false;
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        if (cm != null) {
            NetworkInfo ni = cm.getActiveNetworkInfo();
            if (ni != null) {
                connected = ni.isConnected();
            } else {
                Log.e(TAG, "Network connection not available");
                Toast.makeText(context, R.string.gasp_network_connection_error, Toast.LENGTH_LONG).show();
            }
        }
        return connected;
    }

}