用于通知的Android代码

// 创建通知的构建器
NotificationCompat.Builder builder = new NotificationCompat.Builder(context, channelId)
        .setSmallIcon(R.drawable.notification_icon)
        .setContentTitle("通知标题")
        .setContentText("通知内容")
        .setPriority(NotificationCompat.PRIORITY_DEFAULT);

// 设置点击通知后的操作
Intent intent = new Intent(context, MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(pendingIntent);

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