private void StoreUnlockMode()
{
ISharedPreferencesEditor edit = PreferenceManager.GetDefaultSharedPreferences(this).Edit();
if (_unlockMode == FingerprintUnlockMode.Disabled)
{
edit.PutString(CurrentPreferenceKey, "");
}
else
{
try
{
if (_unlockMode == FingerprintUnlockMode.FullUnlock)
{
var userKey = App.Kp2a.CurrentDb.KpDatabase.MasterKey.GetUserKey <KcpPassword>();
_enc.StoreEncrypted(userKey != null ? userKey.Password.ReadString() : "", CurrentPreferenceKey, edit);
}
else
{
_enc.StoreEncrypted("QuickUnlock" /*some dummy data*/, CurrentPreferenceKey, edit);
}
}
catch (Exception e)
{
new AlertDialog.Builder(this)
.SetTitle(GetString(Resource.String.ErrorOcurred))
.SetMessage(GetString(Resource.String.FingerprintSetupFailed))
.SetCancelable(false)
.SetPositiveButton(Android.Resource.String.Ok, (sender, args) => { })
.Show();
}
}
edit.PutString(App.Kp2a.CurrentDb.CurrentFingerprintModePrefKey, _unlockMode.ToString());
edit.Commit();
}
private void ChangeUnlockMode(FingerprintUnlockMode oldMode, FingerprintUnlockMode newMode)
{
if (oldMode == newMode)
{
return;
}
if (_samsungBiometry != null)
{
_unlockMode = newMode;
UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility();
ISharedPreferencesEditor edit = PreferenceManager.GetDefaultSharedPreferences(this).Edit();
edit.PutString(App.Kp2a.CurrentDb.CurrentFingerprintModePrefKey, _unlockMode.ToString());
edit.Commit();
return;
}
if (newMode == FingerprintUnlockMode.Disabled)
{
_unlockMode = newMode;
UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility();
StoreUnlockMode();
return;
}
_desiredUnlockMode = newMode;
FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Gone;
UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility();
FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Visible;
try
{
_enc = new BiometricEncryption(new BiometricModule(this), CurrentPreferenceKey);
if (!_enc.Init())
{
throw new Exception("Failed to initialize cipher");
}
ResetErrorTextRunnable();
_enc.StartListening(new BiometricAuthCallbackAdapter(this, this));
}
catch (Exception e)
{
CheckCurrentRadioButton();
Toast.MakeText(this, e.ToString(), ToastLength.Long).Show();
FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Visible;
FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Gone;
}
}
private void StoreUnlockMode()
{
ISharedPreferencesEditor edit = PreferenceManager.GetDefaultSharedPreferences(this).Edit();
if (_unlockMode == FingerprintUnlockMode.Disabled)
{
edit.PutString(CurrentPreferenceKey, "");
}
else
{
if (_unlockMode == FingerprintUnlockMode.FullUnlock)
{
_enc.StoreEncrypted(App.Kp2a.GetDb().KpDatabase.MasterKey.GetUserKey <KcpPassword>().Password.ReadString(), CurrentPreferenceKey, edit);
}
else
{
_enc.StoreEncrypted("QuickUnlock" /*some dummy data*/, CurrentPreferenceKey, edit);
}
}
edit.PutString(App.Kp2a.GetDb().CurrentFingerprintModePrefKey, _unlockMode.ToString());
edit.Commit();
}
