app推送双11活动

import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import androidx.core.app.NotificationCompat;

public class PushNotificationHelper {
    private static final String CHANNEL_ID = "default_channel";
    private static final int NOTIFICATION_ID = 1;

    public static void sendNotification(Context context, String title, String message) {
        NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
        NotificationChannel channel = new NotificationChannel(CHANNEL_ID, "Default Channel", NotificationManager.IMPORTANCE_DEFAULT);
        notificationManager.createNotificationChannel(channel);

        Intent intent = new Intent(context, MainActivity.class);
        PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);

        NotificationCompat.Builder builder = new NotificationCompat.Builder(context, CHANNEL_ID)
                .setContentTitle(title)
                .setContentText(message)
                .setSmallIcon(R.drawable.ic_notification)
                .setContentIntent(pendingIntent)
                .setAutoCancel(true);

        notificationManager.notify(NOTIFICATION_ID, builder.build());
    }
}