Android Notification Not Showing On API 26

user_3042719 0
Viewed 8515

I recently updated my app to API 26, and notifications are no longer working, without even changing the code.

val notification = NotificationCompat.Builder(this)
                .setSmallIcon(R.drawable.ic_notification)
                .setContentTitle("Title")
                .setContentText("Text")
                .build()
(getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager).notify(1, notification)

Why isn't it working? Was there some change to the API that I'm not aware of?

android-8.0-oreo kotlin notifications android
2 Answers

Here i post some quick solution 

public void notification(String title, String message, Context context) { 
    NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);

    int notificationId = createID();
    String channelId = "channel-id";
    String channelName = "Channel Name";
    int importance = NotificationManager.IMPORTANCE_HIGH;

    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
        NotificationChannel mChannel = new NotificationChannel(
                channelId, channelName, importance);
        notificationManager.createNotificationChannel(mChannel);
    }

    NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context, channelId)
            .setSmallIcon(R.drawable.app_logo)//R.mipmap.ic_launcher
            .setContentTitle(title)
            .setContentText(message)
            .setVibrate(new long[]{100, 250})
            .setLights(Color.YELLOW, 500, 5000)
            .setAutoCancel(true)
            .setColor(ContextCompat.getColor(context, R.color.colorPrimary));

    TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
    stackBuilder.addNextIntent(new Intent(context, MainAcivity.class));
    PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,PendingIntent.FLAG_UPDATE_CURRENT);
    mBuilder.setContentIntent(resultPendingIntent);

    notificationManager.notify(notificationId, mBuilder.build());
}

public int createID() {
    Date now = new Date();
    int id = Integer.parseInt(new SimpleDateFormat("ddHHmmss", Locale.FRENCH).format(now));
    return id;
}
user_84644830
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