Android example source code file (ExampleBroadcastReceiver.java)

This example Android source code file (ExampleBroadcastReceiver.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, app, appwidgetmanager, arraylist, broadcastreceiver, content, examplebroadcastreceiver, exmamplebroadcastreceiver, intent, n, override, string, util, utilities, utils

The ExampleBroadcastReceiver.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * 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.example.android.apis.appwidget;

import android.appwidget.AppWidgetManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

import java.util.ArrayList;

/**
 * A BroadcastReceiver that listens for updates for the ExampleAppWidgetProvider.  This
 * BroadcastReceiver starts off disabled, and we only enable it when there is a widget
 * instance created, in order to only receive notifications when we need them.
 */
public class ExampleBroadcastReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        Log.d("ExmampleBroadcastReceiver", "intent=" + intent);

        // For our example, we'll also update all of the widgets when the timezone
        // changes, or the user or network sets the time.
        String action = intent.getAction();
        if (action.equals(Intent.ACTION_TIMEZONE_CHANGED)
                || action.equals(Intent.ACTION_TIME_CHANGED)) {
            AppWidgetManager gm = AppWidgetManager.getInstance(context);
            ArrayList<Integer> appWidgetIds = new ArrayList();
            ArrayList<String> texts = new ArrayList();

            ExampleAppWidgetConfigure.loadAllTitlePrefs(context, appWidgetIds, texts);

            final int N = appWidgetIds.size();
            for (int i=0; i<N; i++) {
                ExampleAppWidgetProvider.updateAppWidget(context, gm, appWidgetIds.get(i), texts.get(i));
            }
        }
    }

}