Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2012-2014 One Platform Foundation
 *
 * 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.support.annotation.NonNull;

public class Main {
    /**
     * Returns {@code true} if there is an active connection.
     *
     * @param context The instance of {@link android.content.Context}.
     * @return {@code true} if there's an active connection, {@code false} otherwise.
     * @throws java.lang.SecurityException If a caller doesn't have the {@link android.Manifest.permission#ACCESS_NETWORK_STATE} permission.
     */
    public static boolean isConnected(@NonNull final Context context) {
        final Object service = context.getSystemService(Context.CONNECTIVITY_SERVICE);
        final ConnectivityManager cm = (ConnectivityManager) service;
        final NetworkInfo netInfo = cm.getActiveNetworkInfo();
        return netInfo != null && netInfo.isConnected();
    }
}