fallbackOptions property

List<BiometricFallbackOption?>? fallbackOptions
getter/setter pair

Android 15+ Custom fallback buttons shown on the biometric prompt. When provided, these replace the default cancel button. If the user taps a fallback option, the result will have code == BiometricError.fallbackSelected with the selected option's index and text. On other platforms, this field is ignored.

Implementation

List<BiometricFallbackOption?>? fallbackOptions;