Android Open Source - caddisfly-app-camera Network Utils

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Back to project page caddisfly-app-camera.

License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 * Copyright (C) TernUp Research Labs//from www.j a va2s  . c o m
 *
 * This file is part of Caddisfly
 *
 * Caddisfly is free software: you can redistribute it and modify it under the terms of
 * the GNU Affero General Public License (AGPL) as published by the Free Software Foundation,
 * either version 3 of the License or any later version.
 *
 * Caddisfly is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License included below for more details.
 *
 * The full license text can also be seen at <http://www.gnu.org/licenses/agpl.html>.
 */

package com.ternup.caddisfly.util;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.provider.Settings;

import com.ternup.caddisfly.R;


public class NetworkUtils {

    protected NetworkUtils() {
        // prevents calls from subclass
        throw new UnsupportedOperationException();
    }

    public static boolean checkInternetConnection(final Context context) {

        ConnectivityManager cm =
                (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();

        if (activeNetwork == null || !activeNetwork.isConnectedOrConnecting()) {
            AlertDialog.Builder builder = new AlertDialog.Builder(context);
            builder.setTitle(R.string.dataConnection);
            builder.setMessage(R.string.enableInternet);
            builder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialogInterface, int i) {
                    Intent intent = new Intent(Settings.ACTION_SETTINGS);
                    context.startActivity(intent);
                }
            });
            Dialog alertDialog = builder.create();
            alertDialog.setCanceledOnTouchOutside(false);
            alertDialog.show();
        }

        return activeNetwork != null &&
                activeNetwork.isConnectedOrConnecting();
    }

    public static boolean isOnline(Context context) {
        if (context != null) {
            try {
                ConnectivityManager cm = (ConnectivityManager) context
                        .getSystemService(Context.CONNECTIVITY_SERVICE);
                return cm.getActiveNetworkInfo().isConnectedOrConnecting();
            } catch (Exception e) {
                return false;
            }
        }
        return false;
    }

}

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