ReinitalizerReceiver.java

package com.kuxhausen.huemore.alarm;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.os.PowerManager;

import com.kuxhausen.huemore.persistence.Definitions;

public class ReinitalizerReceiver extends BroadcastReceiver {

  /**
   * Schedules alarm on ACTION_BOOT_COMPLETED.  Reschedules alarm on TIME_SET, TIMEZONE_CHANGED,
   * MY_PACKAGE_REPLACED
   */
  @Override
  public void onReceive(final Context context, Intent intent) {
    final String action = intent.getAction();

    final PendingResult result = goAsync();
    final PowerManager.WakeLock wl = AlarmWakeLock.createPartialWakeLock(context);
    wl.acquire();

    // We must increment the global id out of the async task to prevent race conditions
    AlarmLogic.updateGloablIntentId(context);

    AlarmAsyncHandler.post(new Runnable() {
      @Override
      public void run() {

        // Update all the alarm instances on time change event
        updateAndScheduleAllAlarms(context);
        result.finish();

        wl.release();
      }
    });
  }

  private static void updateAndScheduleAllAlarms(Context context) {
    Cursor
        cursor =
        context.getContentResolver()
            .query(Definitions.AlarmColumns.ALARMS_URI, AlarmData.QUERY_COLUMNS, null, null, null);

    cursor.moveToPosition(-1);
    while (cursor.moveToNext()) {
      AlarmData row = new AlarmData(cursor);

      AlarmLogic.updateAlarm(context, row);

      if (row.isEnabled()) {
        AlarmReceiver.registerAlarm(context, row, false);
      }
    }
    cursor.close();
  }
}