rename back to current names
This commit is contained in:
Philipp Crocoll
344
src/keepass2android-app/FingerprintSetupActivity.cs
Normal file
344
src/keepass2android-app/FingerprintSetupActivity.cs
Normal file
@@ -0,0 +1,344 @@
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using System;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using Android.App;
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using Android.Content;
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using Android.Content.PM;
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using Android.Hardware.Fingerprints;
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using Android.OS;
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using Android.Preferences;
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using Android.Runtime;
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using Android.Views;
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using Android.Widget;
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using Google.Android.Material.Dialog;
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using Java.Lang;
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using keepass2android;
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using KeePassLib.Keys;
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using KeePassLib.Utility;
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using Enum = System.Enum;
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using Exception = System.Exception;
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namespace keepass2android
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{
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[Activity(Label = "@string/app_name",
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ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.Keyboard | ConfigChanges.KeyboardHidden,
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Theme = "@style/Kp2aTheme_ActionBar", MainLauncher = false, Exported = true)]
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[IntentFilter(new[] { "kp2a.action.FingerprintSetupActivity" }, Categories = new[] { Intent.CategoryDefault })]
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public class BiometricSetupActivity : LockCloseActivity, IBiometricAuthCallback
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{
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private readonly ActivityDesign _activityDesign;
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public BiometricSetupActivity(IntPtr javaReference, JniHandleOwnership transfer)
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: base(javaReference, transfer)
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{
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_activityDesign = new ActivityDesign(this);
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}
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public BiometricSetupActivity()
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{
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_activityDesign = new ActivityDesign(this);
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}
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private FingerprintUnlockMode _unlockMode = FingerprintUnlockMode.Disabled;
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private FingerprintUnlockMode _desiredUnlockMode;
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private BiometricEncryption _enc;
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private RadioButton[] _radioButtons;
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public override bool OnOptionsItemSelected(IMenuItem item)
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{
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switch (item.ItemId)
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{
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case Android.Resource.Id.Home:
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Finish();
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return true;
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}
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return base.OnOptionsItemSelected(item);
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}
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protected override void OnCreate(Bundle savedInstanceState)
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{
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_activityDesign.ApplyTheme();
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base.OnCreate(savedInstanceState);
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SetContentView(Resource.Layout.fingerprint_setup);
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Enum.TryParse(
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PreferenceManager.GetDefaultSharedPreferences(this).GetString(App.Kp2a.CurrentDb.CurrentFingerprintModePrefKey, ""),
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out _unlockMode);
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_fpIcon = FindViewById<ImageView>(Resource.Id.fingerprint_icon);
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_fpTextView = FindViewById<TextView>(Resource.Id.fingerprint_status);
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SupportActionBar.SetDisplayHomeAsUpEnabled(true);
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SupportActionBar.SetHomeButtonEnabled(true);
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int[] radioButtonIds =
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{
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Resource.Id.radio_fingerprint_quickunlock, Resource.Id.radio_fingerprint_unlock,
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Resource.Id.radio_fingerprint_disabled
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};
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_radioButtons = radioButtonIds.Select(FindViewById<RadioButton>).ToArray();
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_radioButtons[0].Tag = FingerprintUnlockMode.QuickUnlock.ToString();
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_radioButtons[1].Tag = FingerprintUnlockMode.FullUnlock.ToString();
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_radioButtons[2].Tag = FingerprintUnlockMode.Disabled.ToString();
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foreach (RadioButton r in _radioButtons)
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{
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r.CheckedChange += (sender, args) =>
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{
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var rbSender = ((RadioButton) sender);
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if (!rbSender.Checked) return;
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foreach (RadioButton rOther in _radioButtons)
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{
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if (rOther == sender) continue;
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rOther.Checked = false;
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}
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FingerprintUnlockMode newMode;
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Enum.TryParse(rbSender.Tag.ToString(), out newMode);
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ChangeUnlockMode(_unlockMode, newMode);
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};
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}
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CheckCurrentRadioButton();
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int errorId = Resource.String.fingerprint_os_error;
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SetError(errorId);
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FindViewById(Resource.Id.cancel_button).Click += (sender, args) =>
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{
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_enc.StopListening();
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_unlockMode = FingerprintUnlockMode.Disabled; //cancelling a FingerprintEncryption means a new key has been created but not been authenticated to encrypt something. We can't keep the previous state.
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StoreUnlockMode();
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FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Visible;
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FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Gone;
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_enc = null;
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CheckCurrentRadioButton();
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};
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FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Gone;
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FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Gone;
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FindViewById<CheckBox>(Resource.Id.close_database_after_failed).Checked =
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Util.GetCloseDatabaseAfterFailedBiometricQuickUnlock(this);
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FindViewById<CheckBox>(Resource.Id.close_database_after_failed).CheckedChange += (sender, args) =>
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{
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PreferenceManager.GetDefaultSharedPreferences(this)
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.Edit()
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.PutBoolean(GetString(Resource.String.CloseDatabaseAfterFailedBiometricQuickUnlock_key), args.IsChecked)
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.Commit();
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};
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UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility();
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}
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private void UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility()
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{
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FindViewById(Resource.Id.close_database_after_failed).Visibility = _unlockMode == FingerprintUnlockMode.QuickUnlock ? ViewStates.Visible : ViewStates.Gone;
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}
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string CurrentPreferenceKey
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{
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get { return App.Kp2a.CurrentDb.CurrentFingerprintPrefKey; }
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}
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private void StoreUnlockMode()
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{
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ISharedPreferencesEditor edit = PreferenceManager.GetDefaultSharedPreferences(this).Edit();
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if (_unlockMode == FingerprintUnlockMode.Disabled)
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{
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edit.PutString(CurrentPreferenceKey, "");
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}
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else
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{
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try
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{
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if (_unlockMode == FingerprintUnlockMode.FullUnlock)
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{
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var userKey = App.Kp2a.CurrentDb.KpDatabase.MasterKey.GetUserKey<KcpPassword>();
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_enc.StoreEncrypted(userKey != null ? userKey.Password.ReadString() : "", CurrentPreferenceKey, edit);
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}
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else
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_enc.StoreEncrypted("QuickUnlock" /*some dummy data*/, CurrentPreferenceKey, edit);
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}
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catch (Exception e)
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{
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new MaterialAlertDialogBuilder(this)
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.SetTitle(GetString(Resource.String.ErrorOcurred))
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.SetMessage(GetString(Resource.String.FingerprintSetupFailed))
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.SetCancelable(false)
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.SetPositiveButton(Android.Resource.String.Ok, (sender, args) => { })
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.Show();
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}
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}
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edit.PutString(App.Kp2a.CurrentDb.CurrentFingerprintModePrefKey, _unlockMode.ToString());
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edit.Commit();
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}
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private void CheckCurrentRadioButton()
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{
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foreach (RadioButton r in _radioButtons)
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{
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FingerprintUnlockMode um;
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Enum.TryParse(r.Tag.ToString(), out um);
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if (um == _unlockMode)
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r.Checked = true;
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}
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}
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private void SetError(int errorId)
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{
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var tv = FindViewById<TextView>(Resource.Id.tvFatalError);
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tv.Text = GetString(Resource.String.fingerprint_fatal) + " " + GetString(errorId);
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tv.Visibility = ViewStates.Visible;
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}
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private void ShowRadioButtons()
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{
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FindViewById<TextView>(Resource.Id.tvFatalError).Visibility = ViewStates.Gone;
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FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Visible;
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FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Gone;
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}
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private void HideRadioButtons()
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{
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FindViewById<TextView>(Resource.Id.tvFatalError).Visibility = ViewStates.Gone;
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FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Gone;
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FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Gone;
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}
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private void ChangeUnlockMode(FingerprintUnlockMode oldMode, FingerprintUnlockMode newMode)
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{
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if (oldMode == newMode)
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return;
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if (newMode == FingerprintUnlockMode.Disabled)
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{
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_unlockMode = newMode;
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UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility();
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StoreUnlockMode();
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return;
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}
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_desiredUnlockMode = newMode;
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FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Gone;
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UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility();
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FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Visible;
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try
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{
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_enc = new BiometricEncryption(new BiometricModule(this), CurrentPreferenceKey);
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if (!_enc.Init())
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throw new Exception("Failed to initialize cipher");
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ResetErrorTextRunnable();
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_enc.StartListening(new BiometricAuthCallbackAdapter(this, this));
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}
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catch (Exception e)
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{
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CheckCurrentRadioButton();
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Toast.MakeText(this, e.ToString(), ToastLength.Long).Show();
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FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Visible;
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FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Gone;
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}
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}
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static readonly long ERROR_TIMEOUT_MILLIS = 1600;
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static readonly long SUCCESS_DELAY_MILLIS = 1300;
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private ImageView _fpIcon;
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private TextView _fpTextView;
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public void OnBiometricAuthSucceeded()
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{
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_unlockMode = _desiredUnlockMode;
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_fpTextView.RemoveCallbacks(ResetErrorTextRunnable);
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_fpIcon.SetImageResource(Resource.Drawable.ic_fingerprint_success);
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_fpTextView.SetTextColor(_fpTextView.Resources.GetColor(Resource.Color.md_theme_secondary, null));
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_fpTextView.Text = _fpTextView.Resources.GetString(Resource.String.fingerprint_success);
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_fpIcon.PostDelayed(() =>
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{
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FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Visible;
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FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Gone;
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StoreUnlockMode();
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UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility();
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}, SUCCESS_DELAY_MILLIS);
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}
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public void OnBiometricError(string error)
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{
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_fpIcon.SetImageResource(Resource.Drawable.ic_fingerprint_error);
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_fpTextView.Text = error;
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_fpTextView.SetTextColor(
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_fpTextView.Resources.GetColor(Resource.Color.md_theme_error, null));
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_fpTextView.RemoveCallbacks(ResetErrorTextRunnable);
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_fpTextView.PostDelayed(ResetErrorTextRunnable, ERROR_TIMEOUT_MILLIS);
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}
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public void OnBiometricAttemptFailed(string message)
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{
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//ignore
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}
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void ResetErrorTextRunnable()
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{
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_fpTextView.SetTextColor(
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_fpTextView.Resources.GetColor(Resource.Color.md_theme_secondary, null));
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_fpTextView.Text = "";
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_fpIcon.SetImageResource(Resource.Drawable.baseline_fingerprint_24);
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}
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protected override void OnResume()
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{
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base.OnResume();
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BiometricModule fpModule = new BiometricModule(this);
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HideRadioButtons();
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if (!fpModule.IsHardwareAvailable)
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{
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SetError(Resource.String.fingerprint_hardware_error);
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UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility();
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return;
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}
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if (!fpModule.IsAvailable)
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{
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SetError(Resource.String.fingerprint_no_enrolled);
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return;
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}
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ShowRadioButtons();
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UpdateCloseDatabaseAfterFailedBiometricQuickUnlockVisibility();
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}
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protected override void OnPause()
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{
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base.OnPause();
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if (_enc != null)
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_enc.StopListening();
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}
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}
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}
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