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Questions - firebase-realtime-database

Function can't read useState parameters

I'm building an app with React Native and Firebase Realtime Database, when I start the function addItem the only parameter in the object that I get from the Database is the id, the other paramters ret...
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Salvo

reactjs

firebase

react-native

firebase-realtime-database

react-hooks

Votes: 0

Answers: 2

Latest Answer

addItem is a stale enclosure over the state it references since the useEffect hook runs only once and closes over the initial state. You can likely resolve by re-enclosing the updated state by adding ...
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Drew Reese

where to store currentUser

I have a simple login system and when a user logs in in I store the users data in sessionStorage as "currentUser". But I discovered that it can be edited. I use google firebase by the way.
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Shambu Kumar

javascript

database

firebase-realtime-database

Votes: 0

Answers: 1

Latest Answer

What you would need to do is prevent easy manipulation. JWTs(as a pretty widely used standard) for example solve this by storing a signature on top of the actually relevant data. If the signature does...
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Björn Büttner

Loading Firebase childs dont works

So I made some childs in Firebase and wanted to load them as a list view in Flutter, so I made a Scaffold and this is whats inside the Body: FutureBuilder( future: _Ref.get(), builder: (contex...
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janini

firebase

flutter

firebase-realtime-database

Votes: 0

Answers: 1

Latest Answer

My educated guess is that you expected 2 lines in the output, instead of the 3 lines you get. When the Firebase SDKs see sequential, numeric keys in a snapshot, they assume that this snapshot is an ar...
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Frank van Puffelen

Null check operator used on a null value when using a static function

I have a static void method that always returns a null check error , The same line of code works fine with other methods/ functions. I have no clue why this is happening. The configMaps.dart (global d...
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Pannam

flutter

dart

firebase-realtime-database

geofire

Votes: 0

Answers: 1

Latest Answer

Try passing the currentUser.uid String in backgroundLocationCallBack static void backgroundLocationCallBack(LocationDto location, String userId) async {}
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Sahil Hariyani

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