AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.tsmsogn.samplereceiver" android:versionCode="4"
    android:versionName="1.3">
    <uses-sdk android:minSdkVersion="7" />

    <application android:icon="@drawable/icon" android:label="@string/app_name">

        <receiver android:name=".Receiver">
            <intent-filter>
                <action android:name="android.intent.action.BOOT_COMPLETED" />
                <action android:name="com.android.vending.INSTALL_REFERRER" />
            </intent-filter>
        </receiver>

        <receiver android:name=".Echo"></receiver>

    </application>

    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
</manifest>

Echo.java

package com.tsmsogn.samplereceiver;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;

public class Echo extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        Toast.makeText(context, "Echo", Toast.LENGTH_SHORT).show();
    }

}

Receiver.java

package com.tsmsogn.samplereceiver;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.SystemClock;
import android.widget.Toast;

public class Receiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        Toast.makeText(context, "Receiver", Toast.LENGTH_SHORT).show();

        PendingIntent operation = PendingIntent.getBroadcast(context, 0,
                new Intent(context, Echo.class), 0);

        AlarmManager alarmManager = (AlarmManager) context
                .getSystemService(Context.ALARM_SERVICE);

        // delay
        long triggerAtTime = SystemClock.elapsedRealtime() + 20 * 1000;

        // interval
        long interval = 10 * 1000;

        alarmManager.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP,
                triggerAtTime, interval, operation);
    }

}