👉āύোāϟিāĻĢিāĻ•েāĻļāύ āϚ্āϝাāύেāϞ (Notification Channel) – āϏāĻšāϜ āĻ­াāώা⧟ āĻŦ্āϝাāĻ–্āϝা

 

👉āύোāϟিāĻĢিāĻ•েāĻļāύ āϚ্āϝাāύেāϞ (Notification Channel) – āϏāĻšāϜ āĻ­াāώা⧟ āĻŦ্āϝাāĻ–্āϝা

Android 8.0 (API Level 26) āĻĨেāĻ•ে āĻ—ুāĻ—āϞ Notification Channel āϏিāϏ্āϟেāĻŽ āĻāύেāĻ›ে, āϝাāϤে āχāωāϜাāϰāĻĻেāϰ āύোāϟিāĻĢিāĻ•েāĻļāύ āĻŽ্āϝাāύেāϜ āĻ•āϰা āϏāĻšāϜ āĻšā§Ÿ। āĻĒুāϰāύো āϏিāϏ্āϟেāĻŽে āϏāĻŦ āύোāϟিāĻĢিāĻ•েāĻļāύ āĻāĻ•āχāĻ­াāĻŦে āĻĻেāĻ–াāύো āĻšāϤো, āĻ•িāύ্āϤু āύāϤুāύ āĻāχ āϚ্āϝাāύেāϞ āϏিāϏ্āϟেāĻŽেāϰ āĻŽাāϧ্āϝāĻŽে āχāωāϜাāϰ āύিāϰ্āĻĻিāώ্āϟ āĻ•্āϝাāϟাāĻ—āϰিāϰ āύোāϟিāĻĢিāĻ•েāĻļāύ āĻ•āύ্āϟ্āϰোāϞ āĻ•āϰāϤে āĻĒাāϰে।


āύোāϟিāĻĢিāĻ•েāĻļāύ āϚ্āϝাāύেāϞ āĻ•ী?

āĻāϟি āĻŽূāϞāϤ āĻāĻ•āϟি āĻ—্āϰুāĻĒ āĻŦা āĻ•্āϝাāϟাāĻ—āϰি, āϝেāĻ–াāύে āύিāϰ্āĻĻিāώ্āϟ āϧāϰāύেāϰ āύোāϟিāĻĢিāĻ•েāĻļāύ āĻāĻ•āϏাāĻĨে āϰাāĻ–া āĻšā§Ÿ। āωāĻĻাāĻšāϰāĻŖāϏ্āĻŦāϰূāĻĒ, āϝāĻĻি āφāĻĒāύাāϰ āĻ…্āϝাāĻĒে “āĻŽেāϏেāϜ” āĻāĻŦং “āĻĒ্āϰোāĻŽোāĻļāύ” āĻĻুāχ āϧāϰāύেāϰ āύোāϟিāĻĢিāĻ•েāĻļāύ āĻĨাāĻ•ে, āϤাāĻšāϞে āφāĻĒāύি āĻĻুāϟি āφāϞাāĻĻা āϚ্āϝাāύেāϞ āϤৈāϰি āĻ•āϰāϤে āĻĒাāϰেāύ।

āĻŽেāϏেāϜ āϚ্āϝাāύেāϞ → āĻļুāϧুāĻŽাāϤ্āϰ āĻŽেāϏেāϜেāϰ āϜāύ্āϝ āύোāϟিāĻĢিāĻ•েāĻļāύ
āĻĒ্āϰোāĻŽোāĻļāύ āϚ্āϝাāύেāϞ → āĻĄিāϏāĻ•াāωāύ্āϟ, āĻ…āĻĢাāϰ, āχāϤ্āϝাāĻĻিāϰ āϜāύ্āϝ


āύোāϟিāĻĢিāĻ•েāĻļāύ āϚ্āϝাāύেāϞ āĻŦ্āϝāĻŦāĻšাāϰ āĻ•āϰাāϰ āϏুāĻŦিāϧা

✅ āχāωāϜাāϰ āϚ্āϝাāύেāϞ āĻ…āύুāϝা⧟ী āύোāϟিāĻĢিāĻ•েāĻļāύ āĻ…āύ/āĻ…āĻĢ āĻ•āϰāϤে āĻĒাāϰে।
✅ āĻĒ্āϰāϤিāϟি āϚ্āϝাāύেāϞেāϰ āϜāύ্āϝ āϏাāωāύ্āĻĄ, āĻ­াāχāĻŦ্āϰেāĻļāύ, āϞাāχāϟ āϏেāϟ āĻ•āϰা āϝা⧟।
✅ āĻŦিāĻ­িāύ্āύ āĻ•্āϝাāϟাāĻ—āϰিāϰ āύোāϟিāĻĢিāĻ•েāĻļāύ āĻ—োāĻ›াāύো āĻĨাāĻ•ে
✅ Android 8.0+ āĻĄিāĻ­াāχāϏে āĻāϟি āĻ…āĻŦāĻļ্āϝāχ āϞাāĻ—āĻŦে, āύাāĻšāϞে āύোāϟিāĻĢিāĻ•েāĻļāύ āĻļো āĻ•āϰāĻŦে āύা!


āĻ•ীāĻ­াāĻŦে āύোāϟিāĻĢিāĻ•েāĻļāύ āϚ্āϝাāύেāϞ āϤৈāϰি āĻ•āϰāĻŦেāύ?

āύোāϟিāĻĢিāĻ•েāĻļāύ āϚ্āϝাāύেāϞ āϤৈāϰি āĻ•āϰāϤে āĻšāϞে āύিāϚেāϰ āϧাāĻĒāĻ—ুāϞো āĻ…āύুāϏāϰāĻŖ āĻ•āϰুāύ।

ā§§. āϚ্āϝাāύেāϞ āϤৈāϰি āĻ•āϰুāύ

āύিāϚেāϰ āĻ•োāĻĄāϟি MainActivity āĻŦা Application āĻ•্āϞাāϏে āϞিāĻ–āϤে āĻĒাāϰেāύ –

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
    String channelId = "message_channel";  // āϚ্āϝাāύেāϞেāϰ āφāχāĻĄি (āχāωāύিāĻ• āĻšāϤে āĻšāĻŦে)
    CharSequence channelName = "Message Notifications"; // āχāωāϜাāϰāĻ•ে āϝা āĻĻেāĻ–াāĻŦে
    String channelDescription = "This channel is for message notifications";
    int importance = NotificationManager.IMPORTANCE_HIGH; // āύোāϟিāĻĢিāĻ•েāĻļāύেāϰ āĻ—ুāϰুāϤ্āĻŦ
  
    NotificationChannel channel = new NotificationChannel(channelId, channelName, importance);
    channel.setDescription(channelDescription);
  
    // āϚ্āϝাāύেāϞ āϰেāϜিāϏ্āϟাāϰ āĻ•āϰা
    NotificationManager notificationManager = getSystemService(NotificationManager.class);
    if (notificationManager != null) {
        notificationManager.createNotificationChannel(channel);
    }
}

āĻ•োāĻĄ āĻŦ্āϝাāĻ–্āϝা:

🔹 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O → Android 8.0-āĻāϰ āύিāϚে āϚ্āϝাāύেāϞ āϞাāĻ—āĻŦে āύা।
🔹 channelId → āϚ্āϝাāύেāϞ āĻļāύাāĻ•্āϤ āĻ•āϰাāϰ āϜāύ্āϝ āĻāĻ•āϟি āχāωāύিāĻ• āφāχāĻĄি।
🔹 IMPORTANCE_HIGH → āωāϚ্āϚ āĻŽাāϤ্āϰাāϰ āĻ—ুāϰুāϤ্āĻŦ (āĻ­াāχāĻŦ্āϰেāĻļāύ + āϏাāωāύ্āĻĄ āĻĨাāĻ•āĻŦে)।
🔹 NotificationManager → āϚ্āϝাāύেāϞ āϰেāϜিāϏ্āϟাāϰ āĻ•āϰāϤে āϞাāĻ—ে।


⧍. āϚ্āϝাāύেāϞ āĻŦ্āϝāĻŦāĻšাāϰ āĻ•āϰে āύোāϟিāĻĢিāĻ•েāĻļāύ āĻĒাāĻ াāύো

NotificationCompat.Builder builder = new NotificationCompat.Builder(this, "message_channel")
        .setSmallIcon(R.drawable.ic_notification)
        .setContentTitle("āύāϤুāύ āĻŽেāϏেāϜ!")
        .setContentText("āφāĻĒāύাāϰ āύāϤুāύ āĻŽেāϏেāϜ āĻāϏেāĻ›ে।")
        .setPriority(NotificationCompat.PRIORITY_HIGH);

NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
notificationManager.notify(1, builder.build());

👉 "message_channel" – āĻāϟি āĻ…āĻŦāĻļ্āϝāχ āϏেāχ āϚ্āϝাāύেāϞেāϰ āφāχāĻĄি āĻšāϤে āĻšāĻŦে āϝা āφāĻŽāϰা āφāĻ—েāϰ āĻ•োāĻĄে āϤৈāϰি āĻ•āϰেāĻ›ি।


āύোāϟিāĻĢিāĻ•েāĻļāύ āϚ্āϝাāύেāϞেāϰ āĻŦিāĻ­িāύ্āύ āϏেāϟিংāϏ

āϏেāϟিংāϏ āĻŦ্āϝাāĻ–্āϝা
IMPORTANCE_HIGH āϏাāωāύ্āĻĄ + āĻ­াāχāĻŦ্āϰেāĻļāύ āĻĨাāĻ•āĻŦে
IMPORTANCE_DEFAULT āϏাāωāύ্āĻĄ āĻĨাāĻ•āĻŦে, āĻ•িāύ্āϤু āĻ­াāχāĻŦ্āϰেāĻļāύ āĻĨাāĻ•āĻŦে āύা
IMPORTANCE_LOW āĻļুāϧু āϏ্āϟ্āϝাāϟাāϏ āĻŦাāϰে āĻĻেāĻ–াāĻŦে, āĻ•োāύো āϏাāωāύ্āĻĄ/āĻ­াāχāĻŦ্āϰেāĻļāύ āĻšāĻŦে āύা
IMPORTANCE_MIN āĻ•োāύো āĻ•িāĻ›ুāχ āĻĻেāĻ–াāĻŦে āύা, āĻļুāϧু āύোāϟিāĻĢিāĻ•েāĻļāύ āϟ্āϰেāϤে āĻĨাāĻ•āĻŦে

āχāωāϜাāϰ āĻ•ীāĻ­াāĻŦে āϚ্āϝাāύেāϞ āĻ•āύ্āϟ্āϰোāϞ āĻ•āϰāϤে āĻĒাāϰে?

👉 Settings > Apps & notifications > Your App > Notifications – āĻāĻ–াāύ āĻĨেāĻ•ে āχāωāϜাāϰ āϚ্āϝাāύেāϞ āĻ…āύুāϝা⧟ী āύোāϟিāĻĢিāĻ•েāĻļāύ āĻ…āύ/āĻ…āĻĢ āĻ•āϰāϤে āĻĒাāϰে।


āĻļেāώ āĻ•āĻĨা

🔹 Android 8.0+ āĻ­াāϰ্āϏāύে āύোāϟিāĻĢিāĻ•েāĻļāύ āϚ্āϝাāύেāϞ āĻŦ্āϝāĻŦāĻšাāϰ āĻ•āϰāϤেāχ āĻšāĻŦে
🔹 āĻāĻ•āĻŦাāϰ āϚ্āϝাāύেāϞ āϤৈāϰি āĻšāϞে āϏেāϟি āĻĒāϰিāĻŦāϰ্āϤāύ āĻ•āϰা āϝা⧟ āύা, āϤāĻŦে āϏেāϟিংāϏ āĻĨেāĻ•ে āχāωāϜাāϰ āĻĒāϰিāĻŦāϰ্āϤāύ āĻ•āϰāϤে āĻĒাāϰে।
🔹 āϚ্āϝাāύেāϞেāϰ āĻŽাāϧ্āϝāĻŽে āĻŦিāĻ­িāύ্āύ āύোāϟিāĻĢিāĻ•েāĻļāύ āφāϞাāĻĻা āφāϞাāĻĻা āĻ—্āϰুāĻĒে āϰাāĻ–া āϝা⧟, āϝা āχāωāϜাāϰেāϰ āϜāύ্āϝ āĻ…āύেāĻ• āϏুāĻŦিāϧাāϜāύāĻ•।

đŸ”Ĩ āϝāĻĻি āφāĻĒāύাāϰ āĻ…্āϝাāĻĒে āύোāϟিāĻĢিāĻ•েāĻļāύ āĻĨাāĻ•ে, āϤাāĻšāϞে āĻ…āĻŦāĻļ্āϝāχ āϚ্āϝাāύেāϞ āĻŦ্āϝāĻŦāĻšাāϰ āĻ•āϰুāύ! 🚀

Notification channel - explanation in simple language

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