How to detect whether the Notification is turned off by the user or not

Users can turn off the notification from the Android Settings.

Here's how to detect it programmatically.

For Android O+, also need to check the channel you're looking for is turned off.

private fun isNotificationEnabled(context: Context, channelId: String): Boolean {
    try {
        var enabled = NotificationManagerCompat.from(context).areNotificationsEnabled()
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O &&
                isChannelBlocked(context, channelId)) {
            enabled = false
        }
        return enabled
    } catch (e: Exception) {
    }
    return false
}


@TargetApi(Build.VERSION_CODES.O)
@RequiresApi(Build.VERSION_CODES.M)
private fun isChannelBlocked(context: Context, channelId: String): Boolean {
    try {
        val manager = context.getSystemService(NotificationManager::class.java)
        val channel = manager.getNotificationChannel(channelId)
        return channel != null && channel?.importance == NotificationManager.IMPORTANCE_NONE
    } catch (e: Exception) {
    }
    return false
}

 

Android: Show notification example

Show notification:

        Intent intent = new Intent(context, ExampleReceiver.class);
        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
        NotificationManager notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
        Notification n;
        Bitmap bm = BitmapFactory.decodeResource(context.getResources(), R.drawable.ic_launcher);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            n = new Notification.Builder(context)
                    .setContentTitle("title")
                    .setContentText("Short message\nContent message")
                    .setTicker("ticker message")
                    .setSmallIcon(R.drawable.notification_icon)
                    .setLargeIcon(bm)
                    .setStyle(new Notification.BigTextStyle().bigText("Long message.\nTesting..Testing..\nlooooooooooooooooon message"))
                    .setContentIntent(paramIntent)
                    .setAutoCancel(true).build();
        } else {
            n = new Notification.Builder(context)
                    .setContentTitle("title")
                    .setContentText("Short message\nContent message")
                    .setTicker("ticker message")
                    .setSmallIcon(R.drawable.notification_icon)
                    .setLargeIcon(bm)
                    .setContentIntent(paramIntent)
                    .setAutoCancel(true).getNotification();
        }
        n.flags = n.flags | Notification.FLAG_NO_CLEAR;
        notificationManager.notify(0, n);

Show only the ticker and make it go disappear:

        Intent intent = new Intent(context, ExampleReceiver.class);
        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
        NotificationManager notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
        Notification n;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            n = new Notification.Builder(context)
                    .setTicker("ticker message")
                    .setSmallIcon(R.drawable.notification_icon)
                    .setAutoCancel(true)
                    .build();
        } else {
            n = new Notification.Builder(context)
                    .setTicker("ticker message")
                    .setSmallIcon(R.drawable.notification_icon)
                    .setAutoCancel(true)
                    .getNotification();
        }
        notificationManager.notify(0, n);
        notificationManager.cancel(0);