Java tutorial
/** * ownCloud Android client application * * @author David A. Velasco * Copyright (C) 2016 ownCloud Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, * as published by the Free Software Foundation. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.owncloud.android.utils; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.support.v4.net.ConnectivityManagerCompat; import android.os.BatteryManager; import com.owncloud.android.lib.common.utils.Log_OC; public class ConnectivityUtils { private final static String TAG = ConnectivityUtils.class.getName(); public static boolean isAppConnectedViaUnmeteredWiFi(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); boolean result = cm != null && cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI && cm.getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED && !ConnectivityManagerCompat.isActiveNetworkMetered(cm); Log_OC.d(TAG, "is AppConnectedViaWifi returns " + result); return result; } public static boolean isAppConnected(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); return cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnected(); } public static boolean isCharging(Context context) { IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED); Intent batteryStatus = context.registerReceiver(null, ifilter); int status = 0; if (batteryStatus != null) { status = batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, -1); } return status == BatteryManager.BATTERY_STATUS_CHARGING || status == BatteryManager.BATTERY_STATUS_FULL; } }