Firebase not adding the new data with the previous data

[PRO_Solvers]

What is the name of your app?

Greenway

Describe your app:

I want to save the data to firebase by adding the previous data and present data but it replaces the previous data with present data.

Screenshots:

[PRO_Solvers]

If anyone can help me!! it would mean a lot to me

[dora_paz (Dora)]

You can use append call Firebase.Append Value block

[Aditya_Nanda (Aditya O.P.C. Ltd.)]

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[PRO_Solvers]

as it was saying previous value is empty so i set its initial value to some small number but when i try to append it again says previous value was empty but it is not empty in the Firebase
i have set its inital value to small number so that it wont make error but still the error persists.

[Still-learning (GSR)]

Did you debug it?

[PRO_Solvers]

nope, couldnt find its solution still saying previous value empty

[Still-learning (GSR)]

Is your value stored in the correct path? In the place of use append , use a label and try to get the value in a label. If so your path is correct. If you are not getting value then there is a problem.

[dora_paz (Dora)]

Read carefully the topic - scroll to the end of guide and you will find your solution

Firebase Database | A Guide for Beginners

Hi, Koders! I observed that there were many queries on Firebase Database even me ! but eventually after trials and errors I solved the problem I had posted a solution to a Koder who had the same issue but I thought to make a more comprehensive guide on Firebase for begginers. So lets get started! Lets understand the blocks The below warning is because there is no blocks associated with it. [Firebase Database Data Changed] This is an event triggered when the data changes in firebase, for exa…

[PRO_Solvers]

i checked this guide and it is saying that append will add it in new list but i want its value to get added like if inital is 0 then when i click btn it will add 2 to firebase and its firebabse value should be 2, again when i click btn it should add 2 to firebase and its value should be 4

[PRO_Solvers]

i tried to get the value and it was showing 0 for all but in db it is in like this form !

[Still-learning (GSR)]

Stored value by the app wont be look like this,. Manual value only will seems to be like this

[PRO_Solvers]

Finally this seems to have worked for me now, idk how its working but it is​, thanks to everyone

[Still-learning (GSR)]

This is what tried to tell you you set firebase token as device id. That is your problem

[PRO_Solvers]

, sorry, i just realized, thanks