Java tutorial
/* * Copyright (C) 2017 Angel Garcia * * 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. */ package com.xengar.android.englishverbs.utils; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.support.v4.app.FragmentActivity; import android.view.View; import fr.castorflex.android.circularprogressbar.CircularProgressBar; /** * FragmentUtils */ public class FragmentUtils { /** * Checks for internet connection. * @return true if connected or connecting */ public static boolean checkInternetConnection(FragmentActivity fragmentActivity) { ConnectivityManager cm = (ConnectivityManager) fragmentActivity .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetwork = cm.getActiveNetworkInfo(); return (activeNetwork != null && activeNetwork.isConnectedOrConnecting()); } /** * Changes to visible or gone the circular progress bar. * @param progressBar progress Bar * @param visibility boolean */ public static void updateProgressBar(CircularProgressBar progressBar, boolean visibility) { if (progressBar != null) { progressBar.setVisibility(visibility ? View.VISIBLE : View.GONE); } } }