Knock Knock! You have a notification

Does your phone get bombarded with various notifications throughout day and night? Scared of missing out on important events or updates from your crucial apps? Android notifications have come a long way from being just a simple text to expanded layouts, customization, notification badges and a high level of user control. Most importantly, Notifications are now grouped into channels which allows you to control and customize the kind of notifications you want to receive as a user and provide as a developer.

Through this presentation:

Evolution of different kinds of notifications: Basic notification, Expandables, Heads up Notification, notifications with actions, badges

Notification channel: What, how and management

Notification Importance and their outcome

Quick Demo of how to create notifications from your app

What improvements are further expected with Android P and beyond!

At the end, you will walk away with a deep insight into the world of these everyday knock knocks in your phone's status bar, that notify you of different happenings.

Transcript

1. Not at **K K ** Divya Jain @divyajain2405 http://divya-web.com/
3. http://info.localytics.com/blog/push-notification-survey-2018
4. Val e N t i t o t g e b Use ’s at r e n re t in n e s e t a p Vs Not at t i g b i p be or
5. • Evo on • How r a • Im ov t • Bes r ce Wha we k ab ?
6. “Mes di l to us u s o t A p U to v e f at of ki ”
7. Simple title with one line text Expandable notification templates Actions through Buttons User control over notifications per app basis Android Wear Support Notifications for Lock screen & Heads up Grouped notifications Notification channels App badges
8. Ap on Ap Na Tim m Tit Con t Tex Not at Co p Ico
9. var mBuilder = NotificationCompat.Builder(this, CHANNEL_ID) .setSmallIcon(R.drawable.icon) .setContentTitle(textTitle) .setContentText(textContent) .setLargeIcon(R.drawable.large_icon) Cre g a c o f a n
10. val intent = Intent(this, MyApp::class.java).apply { flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK } val pendingIntent: PendingIntent = PendingIntent.getActivity(this, 0, intent, 0) val mBuilder = NotificationCompat.Builder(this, CHANNEL_ID) .setSmallIcon(R.drawable.notification_icon) .setContentTitle(text_title) .setContentText(text_content) .setContentIntent(pendingIntent) .setAutoCancel(true) Not at I te
11. val shareIntent= Intent(this, MyShareclass::class.java).apply { Action = ACTION_SHARE putExtra(NOTIFICATION_ID, 0) } val sharePendingIntent: PendingIntent = PendingIntent.getActivity(this, 0, shareIntent, 0) val mBuilder = NotificationCompat.Builder(this, CHANNEL_ID) .setSmallIcon(R.drawable.notification_icon) .setContentTitle(text_title) .setContentText(text_content) .setContentIntent(pendingIntent) .setAutoCancel(true) .addAction(R.drawable.share, getString(R.string.share), sharePendingIntent) Ac i b on
12. Ex a d Not at
13. val mBuilder = NotificationCompat.Builder(this, CHANNEL_ID) .setSmallIcon(R.drawable.notification_icon) .setContentTitle(text_title) .setContentText(text_content) .setStyle(NotificationCompat.BigTextStyle() .bigText(“Text that needs multiple lines………”)) Ex a d Not at
14. Ima N if i n
15. val mBuilder = NotificationCompat.Builder(this, CHANNEL_ID) .setSmallIcon(R.drawable.notification_icon) .setContentTitle(text_title) .setContentText(text_content) .setLargeIcon(myBitmap) .setStyle(NotificationCompat.BigPictureStyle() .bigPicture(myBitmap) .bigLargeIcon(null) Ima N if i n
16. In o St e t i t o
17. val mBuilder = NotificationCompat.Builder(this, CHANNEL_ID) .setSmallIcon(R.drawable.notification_icon) .setContentTitle(“multiple emails from..”) .setContentText(text_content) .setLargeIcon(myBitmap) .setStyle(NotificationCompat.InboxStyle() .addLine(snippet1) .addLine(snippet2) In o St e t i t o
18. Mes n S y e fi on
19. var message1 = NotificationCompat.MessagingStyle.Message(messages[0].getText(), messages[0].getTime(), messages[0].getSender()) var message2 = NotificationCompat.MessagingStyle.Message(messages[1].getText(), messages[1].getTime(), messages[1].getSender()) var notification = NotificationCompat.Builder(mContext, CHANNEL_ID) .setSmallIcon(R.drawable.new_message) .setStyle(NotificationCompat.MessagingStyle(resources.getString(R.string.reply_name)) .addMessage(message1) .addMessage(message2)) Mes n S y e fi on
20. val user = Person.Builder().setIcon(userIcon).setName(userName).build(); val style = NotificationCompat.MessagingStyle(user) .addMessage(messages[1].getText(), messages[1].getTime(), messages[1].getPerson()) .addMessage(messages[2].getText(), messages[2].getTime(), messages[2].getPerson()) .setGroupConversation(hasMultiplePeople() .setConversationTitle(“Title”) val noti = NotificationCompat.Builder() .setContentTitle("2 new messages from" + sender.toString()) .setContentText(subject) .setSmallIcon(R.drawable.icon) .setLargeIcon(myBitmap) .setStyle(style) Mes n S y e fi on Foc he ag av !
21. Med le ic o
22. var notification = NotificationCompat.Builder(context, CHANNEL_ID) .setVisibility(NotificationCompat.VISIBILITY_PUBLIC) .setSmallIcon(R.drawable.ic_stat_player) // Add media control buttons that invoke intents in your media service .addAction(R.drawable.ic_prev, "Previous", prevPendingIntent) // #0 .addAction(R.drawable.ic_pause, "Pause", pausePendingIntent) // #1 .addAction(R.drawable.ic_next, "Next", nextPendingIntent) // #2 .setStyle(MediaNotificationCompat.MediaStyle() .setShowActionsInCompactView(1) .setMediaSession(mMediaSession.getSessionToken())) .setContentTitle("Music title") .setContentText("Music content") .setLargeIcon(albumArtBitmap) .build() Med le ic o
23. Sho t i t o with(NotificationManagerCompat.from(this)) { notify(notificationId, mBuilder.build()) }
24. Gro Not at 7.0+, se r a d if i n a Gr Sy em o t a l ro t e h 4 or no ca s, if s if Sy em o t a l l a g su r val GROUP_KEY_WORK_EMAIL = "com.android.example.WORK_EMAIL" var mBuilder = NotificationCompat.Builder(this, CHANNEL_ID) .setSmallIcon(R.drawable.icon) .setContentTitle(textTitle) .setContentText(textContent) .setLargeIcon(R.drawable.large_icon) .setGroup(GROUP_KEY_WORK_EMAIL)
25. Bac r m a b i y Man y e t a m no ca The y e t y em w val notification1, val notification2, val notification3 val summaryNotification = NotificationCompat.Builder(this, CHANNEL_ID) .setContentTitle(emailObject.getSummary()) .setContentText("Three new messages") .setSmallIcon(R.drawable.ic_notify_summary_status) .setStyle(NotificationCompat.InboxStyle() .addLine("line 1") .addLine("line 2") .setBigContentTitle("3 new messages") .setSummaryText("work_email") .setGroup(GROUP_KEY_WORK_EMAIL) .setGroupSummary(true) .build()
26. Not at C an s Fin in n ol h u ve t i t o Notification1 Notification Channel Notification2 User Control
27. Not at C an s if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { val name = getString(R.string.channel_name) val descriptionText = getString(R.string.channel_description) val importance = NotificationManager.IMPORTANCE_DEFAULT val mChannel = NotificationChannel(CHANNEL_ID, name, importance) mChannel.description = descriptionText val notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager notificationManager.createNotificationChannel(mChannel) }
28. Not at C an Im ta Lev vi an ib te p o s
29. Not at C an c om i n • en Lig s() • se L h or() • en Vib on() • se V r i P t e n() • se S d() • se L k en il () • ca S w e()
30. He d no ca s Flo g i d r a n Im o t wa s o t er, w e d e s oc
31. Loc re N if i n Lev de s i b o t er ec oc c e setVisibility() VISIBILITY_PUBLIC VISIBILITY_SECRET VISIBILITY_PRIVATE
32. Ap i n ge New fi on c o f d e n of p a n r i val mChannel = NotificationChannel(id, name, importance).apply { description = descriptionText setShowBadge(false) } var notification = NotificationCompat.Builder(this@MainActivity, CHANNEL_ID) .setContentTitle("New Messages") .setNumber(messageCount) .setBadgeIconType(NotificationCompat.BADGE_ICON_SMALL)
33. Do n s u b Tot en : al n f i r ti Ala s O y : en s i r ti f al s Pri y O y : us n i r i *Cha l n o r e D mo y se B p n ()
34. Use c Sno no ca s!!
35. Ke p us ga ! • Use l a t s e • Mak m a na • Per li • Pri iz • Avo N if i n li s • Tim • Gro no ca s • Dis c en ca
36. Tha y ! @divyajain2405