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I don't want to have users login or anything, so how would I capture and sort their data to firebase?
Is there anyway to code and have the app recognize people by their device?
Firebase provides an anonymous login feature. You can read more about it here:
https://firebase.google.com/docs/auth/ios/anonymous-auth
Also, if you choose to include a sign in feature later, you can convert the anonymous account into a permanent account while keeping their data.
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I am making an application with Flutter and in this application I want to login with integer-value-password that I have saved in database instead of email-password login. I guess there is no such login form in Authentication. So where do I save this integer value?
As an example, a student will log into the system with their school number and password.
You should write your backend API for this, for example with cloud functions that read/write from your database.
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I am looking for a way, that when I get a Facebook user ID, I can get their email too.
At the moment, I cannot find any way to get their email from their Facebook acc/id.
The only way to get the email of a user is by creating an App and letting the user authorize it with the "email" permission/scope. There is no other way.
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I have a flutter application Linked with backend (php/my SQL) ,I need when user add new item in specific page in app send notification to all users . so how can i do this?
The best way is to use the Firebase!
Fire base is maintained by Google, just like Flutter and they're being made to work together!
Try the https://pub.dev/packages/firebase_messaging (Firebase Messaging).
It's free in most case scenario, and you can add a lot of cool things with other firebase plugins.
See more at https://github.com/flutter/plugins/blob/master/FlutterFire.md
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I want to allow my meteor app to have siloed organizations/teams that essentially have separate databases. They can only see their own content/users.
What is the most efficient way for me to set this up?
Options that I can think of:
Every user & piece of content has an associated organization ID
Each org has a separate instance of the app with its own separate DB
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How do you subscribe to the real time API to user photos changes in order to get the likes and comments of user uploaded photos when they are liked and commented? Are there any necessary app settings or specific graph api calls that need to be made?
Regards
Have a look at the docs at
https://developers.facebook.com/docs/graph-api/real-time-updates/v2.4
Keep in mind that you can only receive user updates if the user has given your application the appropriate permissions.