Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) # android.hardware.biometrics *** ** * ** *** ## Interfaces |---|---| | [BiometricManager.Authenticators](https://developer.android.com/reference/android/hardware/biometrics/BiometricManager.Authenticators) | Types of authenticators, defined at a level of granularity supported by `https://developer.android.com/reference/android/hardware/biometrics/BiometricManager` and `https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt`. | | [EmbeddedBiometricPrompt.EmbeddedContentFactory](https://developer.android.com/reference/android/hardware/biometrics/EmbeddedBiometricPrompt.EmbeddedContentFactory) | A factory that produces the custom embedded content view for the biometric prompt. | | [PromptContentItem](https://developer.android.com/reference/android/hardware/biometrics/PromptContentItem) | An item shown on `https://developer.android.com/reference/android/hardware/biometrics/PromptContentView`. | | [PromptContentView](https://developer.android.com/reference/android/hardware/biometrics/PromptContentView) | Contains the information of the template of content view for Biometric Prompt. | ## Classes |---|---| | [BiometricManager](https://developer.android.com/reference/android/hardware/biometrics/BiometricManager) | A class that contains biometric utilities. | | [BiometricManager.Strings](https://developer.android.com/reference/android/hardware/biometrics/BiometricManager.Strings) | Provides localized strings for an application that uses `https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt` to authenticate the user. | | [BiometricPrompt](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt) | A class that manages a system-provided biometric dialog. | | [BiometricPrompt.AuthenticationCallback](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt.AuthenticationCallback) | Callback structure provided to `https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt#authenticate(android.os.CancellationSignal,%20java.util.concurrent.Executor,%20android.hardware.biometrics.BiometricPrompt.AuthenticationCallback)` or `https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt#authenticate(android.hardware.biometrics.BiometricPrompt.CryptoObject,%20android.os.CancellationSignal,%20java.util.concurrent.Executor,%20android.hardware.biometrics.BiometricPrompt.AuthenticationCallback)`. | | [BiometricPrompt.AuthenticationResult](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt.AuthenticationResult) | Container for callback data from `https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt#authenticate(android.os.CancellationSignal,%20java.util.concurrent.Executor,%20android.hardware.biometrics.BiometricPrompt.AuthenticationCallback)` and `https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt#authenticate(android.hardware.biometrics.BiometricPrompt.CryptoObject,%20android.os.CancellationSignal,%20java.util.concurrent.Executor,%20android.hardware.biometrics.BiometricPrompt.AuthenticationCallback)`. | | [BiometricPrompt.Builder](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt.Builder) | A builder that collects arguments to be shown on the system-provided biometric dialog. | | [BiometricPrompt.CryptoObject](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt.CryptoObject) | A wrapper class for the cryptographic operations supported by BiometricPrompt. | | [BiometricPromptStyleSpec](https://developer.android.com/reference/android/hardware/biometrics/BiometricPromptStyleSpec) | A class that describes the visual styles of the embedded BiometricPrompt UI to allow client applications to maintain visual consistency. | | [EmbeddedBiometricPrompt](https://developer.android.com/reference/android/hardware/biometrics/EmbeddedBiometricPrompt) | The embedded version of `https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt` that allows client apps to pass in content to display above the biometric prompt as a connected sheet. | | [EmbeddedBiometricPrompt.AuthenticationCallback](https://developer.android.com/reference/android/hardware/biometrics/EmbeddedBiometricPrompt.AuthenticationCallback) | Callback structure provided to `https://developer.android.com/reference/android/hardware/biometrics/EmbeddedBiometricPrompt#startAuthenticationSession(android.os.CancellationSignal,%20int,%20java.util.concurrent.Executor,%20android.hardware.biometrics.EmbeddedBiometricPrompt.AuthenticationCallback)`. | | [EmbeddedBiometricPrompt.Builder](https://developer.android.com/reference/android/hardware/biometrics/EmbeddedBiometricPrompt.Builder) | A builder for the embedded version of BiometricPrompt that collects arguments to be shown on the system-provided biometric dialog. | | [FallbackOption](https://developer.android.com/reference/android/hardware/biometrics/FallbackOption) | Contains the information for a fallback option to be displayed within Biometric Prompt. | | [PromptContentItemBulletedText](https://developer.android.com/reference/android/hardware/biometrics/PromptContentItemBulletedText) | A list item with bulleted text shown on `https://developer.android.com/reference/android/hardware/biometrics/PromptVerticalListContentView`. | | [PromptContentItemPlainText](https://developer.android.com/reference/android/hardware/biometrics/PromptContentItemPlainText) | A list item with plain text shown on `https://developer.android.com/reference/android/hardware/biometrics/PromptVerticalListContentView`. | | [PromptContentViewWithMoreOptionsButton](https://developer.android.com/reference/android/hardware/biometrics/PromptContentViewWithMoreOptionsButton) | Contains the information of the template of content view with a more options button for Biometric Prompt. | | [PromptContentViewWithMoreOptionsButton.Builder](https://developer.android.com/reference/android/hardware/biometrics/PromptContentViewWithMoreOptionsButton.Builder) | A builder that collects arguments to be shown on the content view with more options button. | | [PromptVerticalListContentView](https://developer.android.com/reference/android/hardware/biometrics/PromptVerticalListContentView) | Contains the information of the template of vertical list content view for Biometric Prompt. | | [PromptVerticalListContentView.Builder](https://developer.android.com/reference/android/hardware/biometrics/PromptVerticalListContentView.Builder) | A builder that collects arguments to be shown on the vertical list view. | - ## Interfaces - [BiometricManager.Authenticators](https://developer.android.com/reference/android/hardware/biometrics/BiometricManager.Authenticators) - [EmbeddedBiometricPrompt.EmbeddedContentFactory](https://developer.android.com/reference/android/hardware/biometrics/EmbeddedBiometricPrompt.EmbeddedContentFactory) - [PromptContentItem](https://developer.android.com/reference/android/hardware/biometrics/PromptContentItem) - [PromptContentView](https://developer.android.com/reference/android/hardware/biometrics/PromptContentView) - ## Classes - [BiometricManager](https://developer.android.com/reference/android/hardware/biometrics/BiometricManager) - [BiometricManager.Strings](https://developer.android.com/reference/android/hardware/biometrics/BiometricManager.Strings) - [BiometricPrompt](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt) - [BiometricPrompt.AuthenticationCallback](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt.AuthenticationCallback) - [BiometricPrompt.AuthenticationResult](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt.AuthenticationResult) - [BiometricPrompt.Builder](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt.Builder) - [BiometricPrompt.CryptoObject](https://developer.android.com/reference/android/hardware/biometrics/BiometricPrompt.CryptoObject) - [BiometricPromptStyleSpec](https://developer.android.com/reference/android/hardware/biometrics/BiometricPromptStyleSpec) - [EmbeddedBiometricPrompt](https://developer.android.com/reference/android/hardware/biometrics/EmbeddedBiometricPrompt) - [EmbeddedBiometricPrompt.AuthenticationCallback](https://developer.android.com/reference/android/hardware/biometrics/EmbeddedBiometricPrompt.AuthenticationCallback) - [EmbeddedBiometricPrompt.Builder](https://developer.android.com/reference/android/hardware/biometrics/EmbeddedBiometricPrompt.Builder) - [FallbackOption](https://developer.android.com/reference/android/hardware/biometrics/FallbackOption) - [PromptContentItemBulletedText](https://developer.android.com/reference/android/hardware/biometrics/PromptContentItemBulletedText) - [PromptContentItemPlainText](https://developer.android.com/reference/android/hardware/biometrics/PromptContentItemPlainText) - [PromptContentViewWithMoreOptionsButton](https://developer.android.com/reference/android/hardware/biometrics/PromptContentViewWithMoreOptionsButton) - [PromptContentViewWithMoreOptionsButton.Builder](https://developer.android.com/reference/android/hardware/biometrics/PromptContentViewWithMoreOptionsButton.Builder) - [PromptVerticalListContentView](https://developer.android.com/reference/android/hardware/biometrics/PromptVerticalListContentView) - [PromptVerticalListContentView.Builder](https://developer.android.com/reference/android/hardware/biometrics/PromptVerticalListContentView.Builder)