com.google.firebase.database.ktx

Classes

ChildEvent	This class is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.
ChildEvent.Added	This class is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.
ChildEvent.Changed	This class is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.
ChildEvent.Moved	This class is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.
ChildEvent.Removed	This class is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.

Extension functions summary

FirebaseDatabase	Firebase.database(app: FirebaseApp, url: String) Accessing this object for Kotlin apps has changed; see the migration guide.
FirebaseDatabase	Firebase.database(app: FirebaseApp) Accessing this object for Kotlin apps has changed; see the migration guide.
FirebaseDatabase	Firebase.database(url: String) Accessing this object for Kotlin apps has changed; see the migration guide.
inline T?	<T : Any?> DataSnapshot.getValue() This function is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.
inline T?	<T : Any?> MutableData.getValue() This function is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.
inline Flow<T?>	<T : Any> Query.values() This function is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.

Extension properties summary

Flow<ChildEvent>	Query.childEvents This property is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.
FirebaseDatabase	Firebase.database Accessing this object for Kotlin apps has changed; see the migration guide.
Flow<DataSnapshot>	Query.snapshots This property is deprecated. Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.

Extension functions

database

fun Firebase.database(app: FirebaseApp, url: String): FirebaseDatabase

Accessing this object for Kotlin apps has changed; see the migration guide.

Returns the FirebaseDatabase instance of the given FirebaseApp and url.

Deprecation Notice: The Kotlin extensions (KTX) APIs have been added to their respective main modules, and the Kotlin extension (KTX) APIs in com.google.firebase.firebase-database-ktx are now deprecated. As early as April 2024, we'll no longer release KTX modules. For details, see the FAQ about this initiative.

database

fun Firebase.database(app: FirebaseApp): FirebaseDatabase

Accessing this object for Kotlin apps has changed; see the migration guide.

Returns the FirebaseDatabase instance of the given FirebaseApp.

Deprecation Notice: The Kotlin extensions (KTX) APIs have been added to their respective main modules, and the Kotlin extension (KTX) APIs in com.google.firebase.firebase-database-ktx are now deprecated. As early as April 2024, we'll no longer release KTX modules. For details, see the FAQ about this initiative.

database

fun Firebase.database(url: String): FirebaseDatabase

Accessing this object for Kotlin apps has changed; see the migration guide.

Returns the FirebaseDatabase instance for the specified url.

Deprecation Notice: The Kotlin extensions (KTX) APIs have been added to their respective main modules, and the Kotlin extension (KTX) APIs in com.google.firebase.firebase-database-ktx are now deprecated. As early as April 2024, we'll no longer release KTX modules. For details, see the FAQ about this initiative.

getValue

inline fun <T : Any?> DataSnapshot.getValue(): T?

This function is deprecated.
Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.

Returns the content of the DataSnapshot converted to a POJO.

Supports generics like List<> or Map<>. Use @JvmSuppressWildcards to force the compiler to use the type T, and not ? extends T.

Deprecation Notice: The Kotlin extensions (KTX) APIs have been added to their respective main modules, and the Kotlin extension (KTX) APIs in com.google.firebase.firebase-database-ktx are now deprecated. As early as April 2024, we'll no longer release KTX modules. For details, see the FAQ about this initiative.

getValue

inline fun <T : Any?> MutableData.getValue(): T?

This function is deprecated.
Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.

Returns the content of the MutableData converted to a POJO.

Supports generics like List<> or Map<>. Use @JvmSuppressWildcards to force the compiler to use the type T, and not ? extends T.

Deprecation Notice: The Kotlin extensions (KTX) APIs have been added to their respective main modules, and the Kotlin extension (KTX) APIs in com.google.firebase.firebase-database-ktx are now deprecated. As early as April 2024, we'll no longer release KTX modules. For details, see the FAQ about this initiative.

values

inline fun <T : Any> Query.values(): Flow<T?>

This function is deprecated.
Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.

Starts listening to this query and emits its values converted to a POJO via a Flow.

• When the returned flow starts being collected, a ValueEventListener will be attached.

• When the flow completes, the listener will be removed.

Deprecation Notice: The Kotlin extensions (KTX) APIs have been added to their respective main modules, and the Kotlin extension (KTX) APIs in com.google.firebase.firebase-database-ktx are now deprecated. As early as April 2024, we'll no longer release KTX modules. For details, see the FAQ about this initiative.

Extension properties

childEvents

val Query.childEvents: Flow<ChildEvent>

This property is deprecated.
Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.

Starts listening to this query's child events and emits its values via a Flow.

• When the returned flow starts being collected, a ChildEventListener will be attached.

• When the flow completes, the listener will be removed.

Deprecation Notice: The Kotlin extensions (KTX) APIs have been added to their respective main modules, and the Kotlin extension (KTX) APIs in com.google.firebase.firebase-database-ktx are now deprecated. As early as April 2024, we'll no longer release KTX modules. For details, see the FAQ about this initiative.

database

val Firebase.database: FirebaseDatabase

Accessing this object for Kotlin apps has changed; see the migration guide.

Returns the FirebaseDatabase instance of the default FirebaseApp.

Deprecation Notice: The Kotlin extensions (KTX) APIs have been added to their respective main modules, and the Kotlin extension (KTX) APIs in com.google.firebase.firebase-database-ktx are now deprecated. As early as April 2024, we'll no longer release KTX modules. For details, see the FAQ about this initiative.

snapshots

val Query.snapshots: Flow<DataSnapshot>

This property is deprecated.
Migrate to use the KTX API from the main module: https://firebase.google.com/docs/android/kotlin-migration.

Starts listening to this query and emits its values via a Flow.

• When the returned flow starts being collected, a ValueEventListener will be attached.

• When the flow completes, the listener will be removed.

Deprecation Notice: The Kotlin extensions (KTX) APIs have been added to their respective main modules, and the Kotlin extension (KTX) APIs in com.google.firebase.firebase-database-ktx are now deprecated. As early as April 2024, we'll no longer release KTX modules. For details, see the FAQ about this initiative.