How to keep track of different push device tokens and when they change

How to keep track of different push device tokens and when they change

By : AndreaP
Date : November 19 2020, 12:41 AM
This might help you There is never any way to identify an old install after a reinstall unless you have some kind of login. All identifiers get reset after an install, meaning that there is nothing linking the old instance of the app to the new one. If you have a login you can tie the notifications to that account and whenever someone logs in, add that device's token to the list of devices to be notified about that user's points.
When it comes to identifying a change in tokens for an installed device, your idea of saving the token is the one I've done. On each launch I usually check the token against a copy I've saved and if it's different I send it to the server.
code :

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Can I export my Urban Airship push device tokens?

Can I export my Urban Airship push device tokens?

By : AndroidDeveloper
Date : March 29 2020, 07:55 AM
With these it helps I'm not sure if there is an API call for it, but you could go to Audience->device tokens, and make a script to fetch all of them.
In the company I work, we decided on a different approach.
Store device tokens for push notification in ejabberd

Store device tokens for push notification in ejabberd

By : dan gerald
Date : March 29 2020, 07:55 AM
it helps some times Your question is "how do I store data in Erlang?"
There are many answers. Probably, you want to read about Mnesia. Or use a relational database. Or use basically any other data store (Redis, MongoDB, DynamoDB, etc, etc, etc) depending on your needs and situation.
New Ionic push registering device tokens

New Ionic push registering device tokens

By : Dmitry Ten
Date : March 29 2020, 07:55 AM
may help you . Initialize the service and register your device in your module's run function. You'll need the device token that is registered by the user for sending notification to the user.
code :
  debug: true,
  onNotification: function (notification) {
    console.log('token:', notification.payload);
  onRegister: function (token) {
    console.log('Device Token:', token);
    $ionicPush.saveToken(token); // persist the token in the Ionic Platform

curl -X POST -H "Authorization: Bearer API_TOKEN" -H "Content-Type: application/json" -d '{
    "tokens": ["DEVICE_TOKEN"],
        "profile": "PROFILE_TAG",
        "notification": {
                "message": "Hello World!"
        "android": {
                  "title": "Hi User",
                  "message": "An update is available for your App",
                  "payload": {
                        "update": true
    } }' "https://api.ionic.io/push/notifications"
Send Push Notification to many device tokens

Send Push Notification to many device tokens

By : Long Bui
Date : March 29 2020, 07:55 AM
To fix this issue try my code. I test it with 4 devices.
Sorry about the comments that are in spanish.
Apple Push Notification Service - Multiple device tokens are valid for the same device

Apple Push Notification Service - Multiple device tokens are valid for the same device

By : Mai Quang Thịnh
Date : March 29 2020, 07:55 AM
like below fixes the issue We just did a test here. On our iOS 8.4.1 test device after reinstalling our app we've received the same token, whereas on iOS 9.1 we always receive a new token after re-installing. This wouldn't be a problem if APNS invalidates the older device tokens, but as far as I can tell it does not. The result is that we're sending duplicate notifications to our users to the same device. Maybe it takes some time to invalidate older token?
We decided to do a server-side fix for this and remove duplicate tokens for one user from our database. Not a good and permanent solution, but a short-term fix for us since our users use the app usually on one device only.
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