Java tutorial
/* * Copyright 2017 Oleksandr Finchuk * * This file is part of ClockPlus. * * ClockPlus is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * ClockPlus 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 ClockPlus. If not, see <http://www.gnu.org/licenses/>. */ package com.finchuk.clock2.util; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.support.v4.content.LocalBroadcastManager; /** * Created by Oleksandr Finchuk on 07/06/2017. */ public final class LocalBroadcastHelper { /** Sends a local broadcast using an intent with the action specified */ public static void sendBroadcast(Context context, String action) { sendBroadcast(context, action, null); } /** Sends a local broadcast using an intent with the action and the extras specified */ public static void sendBroadcast(Context context, String action, Bundle extras) { Intent intent = new Intent(action); if (extras != null) { intent.putExtras(extras); } LocalBroadcastManager.getInstance(context).sendBroadcast(intent); } /** Registers a BroadcastReceiver that filters intents by the actions specified */ public static void registerReceiver(Context context, BroadcastReceiver receiver, String... actions) { IntentFilter filter = new IntentFilter(); for (String action : actions) filter.addAction(action); LocalBroadcastManager.getInstance(context).registerReceiver(receiver, filter); } public static void unregisterReceiver(Context context, BroadcastReceiver receiver) { LocalBroadcastManager.getInstance(context).unregisterReceiver(receiver); } private LocalBroadcastHelper() { } }