app推送双十二优惠活动

// 初始化Firebase
FirebaseMessaging.getInstance().subscribeToTopic("discounts");

// 接收推送通知
public class MyFirebaseMessagingService extends FirebaseMessagingService {
    @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        if (remoteMessage.getData().size() > 0) {
            String title = remoteMessage.getData().get("title");
            String message = remoteMessage.getData().get("message");
            sendNotification(title, message);
        }
    }

    private void sendNotification(String title, String message) {
        Intent intent = new Intent(this, MainActivity.class);
        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_ONE_SHOT);

        Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
        NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
                .setSmallIcon(R.drawable.ic_notification)
                .setContentTitle(title)
                .setContentText(message)
                .setAutoCancel(true)
                .setSound(defaultSoundUri)
                .setContentIntent(pendingIntent);

        NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.notify(0, notificationBuilder.build());
    }
}

const admin = require('firebase-admin');
admin.initializeApp({
    credential: admin.credential.applicationDefault(),
    databaseURL: "https://your-database-url.firebaseio.com"
});

const sendNotification = async (token, title, message) => {
    const payload = {
        notification: {
            title: title,
            body: message
        },
        data: {
            title: title,
            message: message
        }
    };

    try {
        const response = await admin.messaging().sendToDevice(token, payload);
        console.log('Notification sent:', response);
    } catch (error) {
        console.error('Error sending notification:', error);
    }
};

// 示例调用
sendNotification('user-device-token', '双十二优惠', '享受高达50%的折扣！');