For implementing notifications on Android TV below points needs clarification
As I have gone through SO and other articles, Android TV doesn't have notification tray,
Hence Notification has to be handled in a custom way. Therefore, please clarify:
Can we use Notification Manager.
Proper method to implementation Android TV notification.
Can we set the Notification priority
Possible way to find out whether the user has seen/interacted with notification or not
Handling list of notification messages by Local Database or any other method.
Any help would be much appreciated.
Notifications on Android TV OS are significantly different than mobile Android. There is an area to display notifications within the launcher, but it is limited to system-level notifications that are important for the user (e.g., issues with your account or info about OS updates). General app notifications do not show up, which means you need to display any kind of notification within your own app UI and not with the regular NotificationManager and related APIs.
Can we use Notification Manager. / Can we set the Notification priority
Yes, but it won't result in a notification being visible to the user and shouldn't be done on Android TV OS.
Proper method to implementation Android TV notification.
This should be handled within app UI. Most apps have a reserved space to show these on the main screen so that users see them as soon as they open the app.
Possible way to find out whether the user has seen/interacted with notification or not
Since you'll have to display it in your own UI, you can use regular View methods. For example, if you want to know if the user clicked the message, you can add that code to the OnClickListener.
Handling list of notification messages by Local Database or any other method.
This is a bit vague to give a specific answer, so you may want to post a separate question with more details about what you're trying to accomplish. One general way to go about it is that you have a server endpoint that understands the state of notifications for a given user and you sync that with your local database (easiest is probably Sqlite using Room). Your UI needs to be told if there's a relevant notification to display within the app, but the details of that depend on your app architecture.
Related
I know the flutter_local_notifications_plugin allows an app to display notifications.
I want to access the data of notifications that is received, regardless of whether the app is running in the foreground, in the background, or not running.
Essentially the app needs to
- Add that notification to a persistent storage, and
- Depending on the notification, make a call to an API (eg an HTTP GET), and
- Depending on user preference settings, display a local notification
Note the question is not about the detail of implementing these three things as those would each be worthy of a whole article. But how to "receive" these events in each of the three possible app states, on both Android and iOS?
Broadly I expect some kind of broadcast receiver would need to be registered and a call-back needs to be created for when the event is triggered. I imagine this callbackmay want to be in a special Isolate perhaps since it can't depend on the app being in any particular state.
For Android devices, you can use the Notification package. For iOS I'm afraid there's no solution yet.
void onData(NotificationEvent event) => print(event.toString());
I have an app with different notification types it can receive (for example News and Podcast). Currently it has two simple switches where the user can enable and disable those different notification types. It works by just subscribing and unsubscribing from the corresponding Firebase Topic for the type. The clear advantage is that the device only receives the notification the user wants and does not have to filter them locally => battery and data efficient.
Problem is, I want to combine it with the new android O notification channels. Am I right to assume that the only way is to just subscribe to all topics in Firebase and have the user manually disable unwanted ones in the android settings?
Is there a better way that saves more battery life (by not receiving all notifications)?
The Notification Channel (a feature only needed for Android O -- presumably onwards) is (like) a parameter that you would (typically) use to sort/manage the notifications you build locally. --
Android O introduces notification channels to provide a unified system to help users manage notifications.
It doesn't necessarily disable receiving the notifications that you don't want to receive, but (AFAIK) notifications built without the Notification Channel won't show up/display in Android O (not received != not displayed). i.e. Your device may actually still be receiving the notifications, but just isn't displayed.
For Notifications sent through topics, so long as the corresponding registration token is subscribed, it is the expected behavior that the client would handle it accordingly.
With all that said, what you already have implemented (if I understand your post correctly -- subscribe and unsubscribe to topics based on a switch of some sort) is already the simplest as it could get.
If you want to totally disable notifications completely, you could call deleteInstanceId(). See my answers here and here for some additional info.
I'm building a newspaper-like app and I would like to know how many people received the article's push notification vs how many actually read it.
I was thinking to implement a way in which when the notification is received the app wakes up and send a request to the server saying "Hi I'm _____, I've received the notification of the article ____" and store it in the database. Then afterwards if the user click on the notification and goes to read the article I send another request saying "Hi I'm ____ and I've read the article _____" and I also store it on the database. Afterwards with some queries I'm able to understand the percentage read/received.
I don't understand if it's even possible to wake up the app even if it was not opened by the user in a while and send a request to the server (for background is meant that the application is not launched or that is in the cache ?).
I would like to achieve what they did with Whatsapp:
I receive a new message on Whatsapp
I don't open the app
I go to WhatsApp Web
I open the conversation on WhatsApp Web
The badge and the notification on the phone goes away because I read it somewhere else
I think that that feature is achieved with silent push notifications that just update the app badge and clear the read notification.
Thats a very nice question on how to implement such silent notifications. There are few variables here that we need to consider and deal them in a different way.
Push notifications sent to the users - Some of them would have received it, Some may not have received it at all.
Pushing multiple notifications to the same user in a small amount of time - It becomes difficult here to track the exact notification user opened the app. Because user might have read all the news that received notifications in a single attempt.
The actual content displayed to the user in the app - User might have opened the app because of notifications. Some times he might have seen the notifications and then opened the app directly without interacting with the notifications.
So this is how the implementation can be.
Implement push notifications for the app
User receives the push notifications and the notification badge shows Number (1).
Now when the user views the same news story in any other medium (Your own Mac App or PC app). Server is notified of the users action and the news he/she/whoever just read.
Now the server knows it has sent a notification and it is not read. When you receive the read notification, you can send a remote notification that can be handled by the app in background and update the badge.
Check out this link for more details on how to handle notifications in various modes.
Apple documentation also can be referred here for background mode - remote-notification.
So you will be making your app run in background with certain settings to respond to silent notifications and update the badge just like WhatsApp. I hope this helps.
I've already implemented such thing in one of my app, and it's actually tricky.
You'll have a lot of use cases to handle.
First thing (but you seem to already know it): Apple does not provide
any callback to say : "this notification was sent"
Second thing : when your app is killed (not even in background), nothing at all can be done with your notification, meaning your app won't be able to wake up and read the notification, and therefor do something. The only thing you can do is changing the badge number, even if your app is killed.
Third thing : when your app is in background, you can wake up your app during 30sec. During that time you can send a request to the server, but if it takes too long, the process will be killed by the OS.
Saying that, here is a quick explanation of how you could implement the system:
You'll need on the server side to save in your data base any notifications that were sent. As soon as they are sent, save them as "pending"
On the app side: if your app is in background, as soon as the notification is received, you can wake up your app to send a request to the server. Then in your data base, your notification status will change to "receive" or "notified". If your app was killed, when the user launch your app, send a request to the server to ask for all notification in "pending" state, that way your app will be up to date, as well as your badge number.
If the user click on the notification, this will open your app directly on the article, that way you'll be able to send a request and say to your server that the article was received and read.
If the user read your article on the web side, send a notification. Set the notification badge number with the number of actual "pending" notification in your data base.
Hope this will help you in addition of the answer of #Prav :)
try this Notification Listner service https://github.com/kpbird/NotificationListenerService-Example.
Reply from Apple Developer Technical Support:
Hello Matteo,
Thank you for contacting Apple Developer Technical Support (DTS). Our engineers have reviewed your request and have concluded that there is no supported way to achieve the desired functionality given the currently shipping system configurations.
So at the end of the games IT'S NOT POSSIBLE
You want to sync your app with web app or website than once you send notification to application than set notification to particular ID.If user read that message from your web then send push notification again with different message and handle in service or broadcast receiver after that cancel notification if received message contains different message.you can also use Notification Listener.Refer thislink
Refer this link for ios.
Hi #Smile Applications after reading your question I would suggest you see OneSignal website. OneSignal will allow you to send notifications to your subscribed users. It will also show you how many users are using your app and how many of them have received your notifications. If you want to send notifications and track them from the app itself you can use their API. It is easy and I have implemented this in Android and soon will be implementing in IOS.
Now the second part of your question about knowing how to track how many users have read/opened your notification and on which activity they are on you can use Google Analytics. It will allow you to see from which part of the world your users are using your app and which activities of your app are being opened most. It is also easy and I have implemented this also in Android and soon will be implementing in IOS too.
I have been reading many posts/articles/tutorials I can find about updating an active notification. I fear I may have a fundamental misunderstanding about how one may update an Android push notification.
So far: I can update an active notification based on its ID, and I haven't been able to get any results out of Builder.setGroup()
My problem: When I update an active (not dismissed) notification, I want to be able to get the text from the previous, active notification, parse and add the new notification text and update it.
I'm starting to think that this might not be possible without a local DB and that my approach to this problem is no good.
Is there a way to get the content of the last notification (or one with a specific ID)?
EDIT: It seems to me that many of the examples I have seen are grouping a number of notifications all at once rather than successively.
Example
This is an example of what I want to do. The scenario I'm imagining is like this:
The owner of the device gets a notification that he/she has a new message from 'Alex Faaborg'. (See image)
The notification is not dismissed by the device owner
Another notification regarding a new message from 'Jeff Chang' comes in
Get 'Alex Faarborg's' name from the first notification, and 'Jeff Chang' from the second
Parse the info and display a summary of their notifications rather than have multiple notifications build up
4 is what I'd like to do
OK, so I realized I could do what I need to do to combine notifications by keeping track of users' unread messages(or invites etc..) on the backend, then if there's more than one, it will send out a summary of the notifications rather than each individually. On the client, this will overwrite any previous, related notifications (kept track with a JSON field sent to GCM (and subsequently, the client) that represents the 'topic' of the notification)
For whatever reason, I thought I should handle the grouping/summarizing of notifications on the client. I think the API is the way to go.
My intention is to display a notification with a personalised icon. However, if a notification with the same id is already displayed and then I need to add a new notification with the same id, my program will instead prepare a "stacked" version of the notification where the icon is changed to some generic icon and the notification content shows excerpts from the last and current notifications. Similar to how Gmail does when there are multiple emails.
To implement that I need to check if there are notifications of my app, currently displayed. I do not see any API to retrieve my own notifications.
I cannot simply cache the notification details that I have displayed till now, since in that case I need to know when they will be dismissed by the user, and update my cache accordingly. I also do not see any API to listen for dismiss events.
If you observe the gmail app notification behaviour properly u will notice that even when u dismiss one notification gmail shows you the same notification again in the list when a new notification comes. It looks to me that gmail is relying on total unread/unopened messages rather than keeping a cache of notifications.
There is no direct api for ur suggested SDK version. You need to fallback to ur own implementation. However, there is a way to know if a already showed notification was dismissed - How to know when my notification is cleared via Clear button?
This is possible with android 4.3 upwards now
See http://developer.android.com/reference/android/service/notification/NotificationListenerService.html#getActiveNotifications()