app推送双十一活动

// 创建通知渠道（适用于Android 8.0及以上版本）
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
    NotificationChannel channel = new NotificationChannel("channel_id", "Channel Name", NotificationManager.IMPORTANCE_DEFAULT);
    NotificationManager manager = getSystemService(NotificationManager.class);
    manager.createNotificationChannel(channel);
}

// 构建通知
NotificationCompat.Builder builder = new NotificationCompat.Builder(this, "channel_id")
        .setSmallIcon(R.drawable.ic_notification)
        .setContentTitle("双十一狂欢购")
        .setContentText("全场商品低至五折，快来抢购吧！")
        .setPriority(NotificationCompat.PRIORITY_DEFAULT)
        .setContentIntent(pendingIntent) // pendingIntent为点击通知后跳转的意图
        .setAutoCancel(true); // 点击后自动取消通知

// 发送通知
NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
notificationManager.notify(notificationId, builder.build());