public static void riseAndShine(Activity activity) {
        activity.getWindow().addFlags(FLAG_SHOW_WHEN_LOCKED);

        PowerManager power = (PowerManager) activity.getSystemService(POWER_SERVICE);
        PowerManager.WakeLock lock =
                power.newWakeLock(FULL_WAKE_LOCK | ACQUIRE_CAUSES_WAKEUP | ON_AFTER_RELEASE, "wakeup!");
        lock.acquire();
        lock.release();
    }