I have Realtime database for android app, there were some data , multiple records , but I checked it today and no data is showing up and it shows just null, what is wrong and how can I fix this ?

CodePudding user response：

What can you see on the console? Does it at least show the name of the DB? If you think you lost the DB, I suggest locking the DB with the following rules: { “rules”: { “.read”: false, “.write”: false } } This way no one will be able to get in to your DB.

After that, I highly suggest filing a ticket to support asking for a RTDB restore so they can get your DB back.

CodePudding user response：

I just checked a few of my projects and the data in the Realtime Database shows up fine in the Firebase console fine for those, so it doesn't seem to be an outage.

The first thing I'd recommend is to try again on a different browser and/or different network, just to rule out any issues with connectivity or browser extensions.

Given the null, it may be that the data was actually deleted. If that is the case and it is unexpected, it might be worth checking if your code can mistakenly delete the data - or if your security rules allow deleting data that they shouldn't allow.