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IMPORTANT: In July 2025, we stopped releasing new versions of KTX modules, and we removed the KTX libraries from the Firebase Android BoM (v34.0.0). If you use KTX APIs from the previously released KTX modules, we recommend that you migrate your app to use KTX APIs from the main modules instead. For details, see the FAQ about this initiative.

PhoneAuthOptions

class PhoneAuthOptions

Options object for configuring phone validation flows in PhoneAuthProvider.

Summary

Nested types
`class PhoneAuthOptions.Builder` A Builder class for `PhoneAuthOptions`.

Public functions
`java-static PhoneAuthOptions.Builder`	`newBuilder()` Returns a new instance of `PhoneAuthOptions.Builder` tied to the default instance of `FirebaseAuth`.
`java-static PhoneAuthOptions.Builder`	`newBuilder(auth: FirebaseAuth)` Returns a new instance of `PhoneAuthOptions.Builder` tied to given instance of .

Public functions

newBuilder

java-static fun newBuilder(): PhoneAuthOptions.Builder

Returns a new instance of PhoneAuthOptions.Builder tied to the default instance of FirebaseAuth.

newBuilder

java-static fun newBuilder(auth: FirebaseAuth): PhoneAuthOptions.Builder

Returns a new instance of PhoneAuthOptions.Builder tied to given instance of .

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Last updated 2025-07-21 UTC.

PhoneAuthOptions

Summary

Nested types

Public functions

Public functions

newBuilder

newBuilder