Read and listen for changes to the entire contents of a path. Method to add a ValueEventListener to a DatabaseReference. To read data at a path and listen for changes, use the addValueEventListener() Read data Read data with persistent listeners Java mDatabase.child("users").child(userId).child("username").setValue(name) Kotlin+KTX database.child("users").child(userId).child("username").setValue(name) To read or write data from the database, you need an instance of You should also have a look at the Local Emulator Suite introduction. SDK as usual, or using the Realtime Database REST API.Ī detailed walkthrough involving Realtime Database and Cloud Functions is available.
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