Java tutorial
/* * Copyright 2014 Google Inc. * * 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.google.android.apps.muzei; import android.content.Context; import android.content.Intent; import android.net.ConnectivityManager; import android.support.v4.content.WakefulBroadcastReceiver; import com.google.android.apps.muzei.event.GainedNetworkConnectivityEvent; import de.greenrobot.event.EventBus; public class NetworkChangeReceiver extends WakefulBroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if (intent == null || !ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) { return; } boolean hasConnectivity = !intent.getBooleanExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, false); if (hasConnectivity) { EventBus.getDefault().post(new GainedNetworkConnectivityEvent()); // Check with components that may not currently be alive but interested in // network connectivity changes. Intent retryIntent = ArtworkCache.maybeRetryDownloadDueToGainedConnectivity(context); if (retryIntent != null) { startWakefulService(context, retryIntent); } // TODO: wakeful broadcast? SourceManager sm = SourceManager.getInstance(context); sm.maybeDispatchNetworkAvailable(); } } }