CODEWITHSUNDEEP
androidandroid-fingerprint-apiandroid-biometric-prompt
Taha Sami
Taha Sami

Reputation: 1697

How can I know if the user has enrolled fingerprints or not in Android Pie?

I'm trying to detect if the user has enrolled fingerprint or not in Android Pie using BiometricPrompt but this class will show the dialog and I want only to return true or false without any dialog.

Code

public boolean hasEnrolledFingerprints() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
        //How can I return true or false without showing dialog using BiometricPrompt 
    } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        FingerprintManager fingerprintManager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
        return fingerprintManager.hasEnrolledFingerprints();
    }
    return false;
}

Upvotes: 0

Views: 558

Answers (1)

DevDin
DevDin

Reputation: 46

val biometricManager =  BiometricManager.from(context)
private fun queryBiometricStatusFromDevice(): Int = biometricManager.canAuthenticate(BiometricManager.Authenticators.BIOMETRIC_WEAK)

call it as below

fun hasUserConfiguredBiometric(): Boolean {
    return when (queryBiometricStatusFromDevice()) {
        BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED -> false
        else -> true
    }
}

Upvotes: 1

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