private fun checkForBiometrics(context: Context): Boolean {
        Log.d(tag, "checkForBiometrics started")
        var canAuthenticate = true
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            if (Build.VERSION.SDK_INT < 29) {
                val keyguardManager : KeyguardManager = context.getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager
                val packageManager : PackageManager = context.packageManager
                if(!packageManager.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT)) {
                    Log.w(tag, "checkForBiometrics, Fingerprint Sensor not supported")
                    canAuthenticate = false
                }
                if (!keyguardManager.isKeyguardSecure) {
                    Log.w(tag, "checkForBiometrics, Lock screen security not enabled in Settings")
                    canAuthenticate = false
                }
            } else {
                val biometricManager : BiometricManager = context.getSystemService(BiometricManager::class.java)
                if(biometricManager.canAuthenticate() != BiometricManager.BIOMETRIC_SUCCESS){
                    Log.w(tag, "checkForBiometrics, biometrics not supported")
                    canAuthenticate = false
                }
            }
        }else{
            canAuthenticate = false
        }
        //viewModel.isCanAuthenticate.value = canAuthenticate
        Log.d(tag, "checkForBiometrics ended, canAuthenticate = $canAuthenticate ")
        return canAuthenticate
    }