BootBroadcastReceiver.java

/*
 * Copyright (C) 2013 Fairphone 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.fairphone.updater;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

import java.util.Calendar;

public class BootBroadcastReceiver extends BroadcastReceiver {

    final static long NOTIFICATION_INTERVAL_MILLIS = 1000 * 60 * 60 * 8;
    
	@Override
	public void onReceive(Context context, Intent intent) {
		
		AlarmManager service = (AlarmManager) context
				.getSystemService(Context.ALARM_SERVICE);
		Intent i = new Intent(context, UpdaterService.class);
		PendingIntent pending = PendingIntent.getService(context, 0, i, PendingIntent.FLAG_CANCEL_CURRENT);

		Calendar cal = Calendar.getInstance();
		// Start 30 seconds after boot completed
		cal.add(Calendar.SECOND, 30);
		
		// InexactRepeating allows Android to optimize the energy consumption
		service.setInexactRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), NOTIFICATION_INTERVAL_MILLIS, pending);
	}

}