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 .
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FirebaseMlException
class FirebaseMlException : FirebaseException This class is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Represents an Exception resulting from an operation on a FirebaseModelDownloader
Summary
Nested types
This annotation is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
Constants
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
const Int
This property is deprecated.
Firebase ML is deprecated and will be shut down on June 15, 2027.
Constants
ABORTED
const val ABORTED = 10: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
The operation was aborted, typically due to a concurrency issue like transaction aborts, etc.
ALREADY_EXISTS
const val ALREADY_EXISTS = 6: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Some resource that we attempted to create already exists.
CANCELLED
const val CANCELLED = 1: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
The operation was cancelled (typically by the caller).
DEADLINE_EXCEEDED
const val DEADLINE_EXCEEDED = 4: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Deadline expired before operation could complete. For operations that change the state of the system, this error may be returned even if the operation has completed successfully. For example, a successful response from a server could have been delayed long enough for the deadline to expire.
DOWNLOAD_URL_EXPIRED
const val DOWNLOAD_URL_EXPIRED = 121: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
The download URL expired before download could complete. Usually, multiple download attempts will be performed before this is returned.
FAILED_PRECONDITION
const val FAILED_PRECONDITION = 9: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Operation was rejected because the system is not in a state required for the operation's execution.
INTERNAL
const val INTERNAL = 13: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Internal errors. Means some invariant expected by underlying system has been broken. If you see one of these errors, something is very broken.
INVALID_ARGUMENT
const val INVALID_ARGUMENT = 3: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Client specified an invalid argument. Note that this differs from FAILED_PRECONDITION
. INVALID_ARGUMENT indicates arguments that are problematic regardless of the state of the system (for example, an invalid field name).
MODEL_HASH_MISMATCH
const val MODEL_HASH_MISMATCH = 102: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
The downloaded model's hash doesn't match the expected value.
NOT_ENOUGH_SPACE
const val NOT_ENOUGH_SPACE = 101: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
There is not enough space left on the device.
NOT_FOUND
const val NOT_FOUND = 5: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Some requested resource was not found.
NO_NETWORK_CONNECTION
const val NO_NETWORK_CONNECTION = 17: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
There is no network connection.
OUT_OF_RANGE
const val OUT_OF_RANGE = 11: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Operation was attempted past the valid range.
PERMISSION_DENIED
const val PERMISSION_DENIED = 7: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
The caller does not have permission to execute the specified operation.
RESOURCE_EXHAUSTED
const val RESOURCE_EXHAUSTED = 8: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Some resource has been exhausted, perhaps a per-user quota, or perhaps the entire file system is out of space.
UNAUTHENTICATED
const val UNAUTHENTICATED = 16: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
The request does not have valid authentication credentials for the operation.
UNAVAILABLE
const val UNAVAILABLE = 14: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
The service is currently unavailable. This is a most likely a transient condition and may be corrected by retrying with a backoff.
In ML Model Downloader, this error is mostly about the models being not available yet.
UNIMPLEMENTED
const val UNIMPLEMENTED = 12: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Operation is not implemented or not supported/enabled.
UNKNOWN
const val UNKNOWN = 2: Int This property is deprecated. Firebase ML is deprecated and will be shut down on June 15, 2027. To host custom models, you must migrate to another solution. You can use Cloud Storage for Firebase as an alternative for hosting custom models. For more info, see https://firebase.google.com/docs/ml/migrate-to-cloud-storage
Unknown error or an error from a different error domain.
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Last updated 2026-07-30 UTC.
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