FirebaseDatabase class

The entry point for accessing a Firebase Database. You can get an instance by calling FirebaseDatabase.instance. To access a location in the database and read or write data, use reference().

Constructors

FirebaseDatabase({FirebaseApp? app, String? databaseURL})

Gets an instance of FirebaseDatabase.

Properties

app → FirebaseApp?

The FirebaseApp instance to which this FirebaseDatabase belongs.

final

databaseURL → String?

The URL to which this FirebaseDatabase belongs

final

hashCode → int?

The hash code for this object.

no setter, inherited

runtimeType → Type?

A representation of the runtime type of the object.

no setter, inherited

Methods

goOffline() → Future<void>?

Shuts down our connection to the Firebase Database backend until goOnline is called.

goOnline() → Future<void>?

Resumes our connection to the Firebase Database backend after a previous goOffline call.

noSuchMethod(Invocation? invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

purgeOutstandingWrites() → Future<void>?

The Firebase Database client automatically queues writes and sends them to the server at the earliest opportunity, depending on network connectivity. In some cases (e.g. offline usage) there may be a large number of writes waiting to be sent. Calling this method will purge all outstanding writes so they are abandoned.

reference() → DatabaseReference?

Gets a DatabaseReference for the root of your Firebase Database.

setPersistenceCacheSizeBytes(int? cacheSize) → Future<bool?>?

Attempts to set the size of the persistence cache.

setPersistenceEnabled(bool? enabled) → Future<bool?>?

Attempts to sets the database persistence to enabled.

toString() → String?

A string representation of this object.

inherited

Operators

operator ==(Object? other) → bool?

The equality operator.

inherited

Static Properties

instance → FirebaseDatabase?

Gets the instance of FirebaseDatabase for the default Firebase app.

no setter