public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Permission[] grantResults)
{
if (requestCode == RequestFingerprintPermission && grantResults[0] == Permission.Granted)
{
FingerAuthDialog.Show();
FingerAuth.Authenticate();
}
}
private void FingerprintClick(object sender, EventArgs e)
{
if (FingerAuth.CanUseFingerprint)
{
if (CheckSelfPermission(Android.Manifest.Permission.UseFingerprint) == Permission.Denied)
{
RequestPermissions(new[] { Android.Manifest.Permission.UseFingerprint }, RequestFingerprintPermission);
}
else
{
FingerAuthDialog.Show();
FingerAuth.Authenticate();
}
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_main);
FindViewById <Button>(Resource.Id.btn_fingerprint).Click += FingerprintClick;
FingerAuth = new FingerAuth(this);
FingerAuth.AuthenticationError += AuthAuthenticationError;
FingerAuth.AuthenticationFailed += AuthAuthenticationFailed;
FingerAuth.AuthenticationHelp += AuthAuthenticationHelp;
FingerAuth.AuthenticationSucceeded += AuthAuthenticationSucceeded;
FingerAuthDialog = new AlertDialog.Builder(this)
.SetCancelable(false)
.SetTitle(Resource.String.dialog_fingerprint_title)
.SetMessage(Resource.String.dialog_fingerprint_message)
.SetIconAttribute(Android.Resource.Attribute.FingerprintAuthDrawable)
.SetNegativeButton(Android.Resource.String.Cancel, FingerAuthDialogCancel)
.Create();
}
private void FingerAuthDialogCancel(object sender, DialogClickEventArgs e)
{
FingerAuth.Cancel();
FingerAuthDialog?.Dismiss();
}
