import com.google.ipc.invalidation.external.client.contrib.AndroidListener.AlarmReceiver; //导入依赖的package包/类
/** Issues a registration retry with delay. */
static void issueDelayedRegistrationIntent(Context context, AndroidClock clock,
    ByteString clientId, ObjectId objectId, boolean isRegister, int delayMs, int requestCode) {
  RegistrationCommand command = isRegister ?
      AndroidListenerProtos.newDelayedRegisterCommand(clientId, objectId) :
          AndroidListenerProtos.newDelayedUnregisterCommand(clientId, objectId);
  Intent intent = new Intent()
      .putExtra(EXTRA_REGISTRATION, command.toByteArray())
      .setClass(context, AlarmReceiver.class);

  // Create a pending intent that will cause the AlarmManager to fire the above intent.
  PendingIntent pendingIntent = PendingIntent.getBroadcast(context, requestCode, intent,
      PendingIntent.FLAG_ONE_SHOT);

  // Schedule the pending intent after the appropriate delay.
  AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
  long executeMs = clock.nowMs() + delayMs;
  alarmManager.set(AlarmManager.RTC, executeMs, pendingIntent);
}
 

import com.google.ipc.invalidation.external.client.contrib.AndroidListener.AlarmReceiver; //导入依赖的package包/类
/** Constructs an intent indicating that scheduled tasks should run. */
static Intent createScheduledTaskintent(Context context) {
  return new Intent()
      .putExtra(EXTRA_SCHEDULED_TASK, true)
      .setClass(context, AlarmReceiver.class);
}