protected override void OnCreate(Bundle savedInstanceState) { base.OnCreate(savedInstanceState); SetContentView(Resource.Layout.Settings); // Create your application here var toolbar = FindViewById <Android.Support.V7.Widget.Toolbar>(Resource.Id.settingsToolbar); SetSupportActionBar(toolbar); prefs = PreferenceManager.GetDefaultSharedPreferences(this); editor = prefs.Edit(); SupportActionBar.Title = "Ustawienia"; Switch gpsSwitch = FindViewById <Switch>(Resource.Id.gpsSwitch); gpsSwitch.Checked = prefs.GetBoolean("settingsNotifications", true); ChangeText(gpsSwitch); Button logout = FindViewById <Button>(Resource.Id.logOutButton); gpsSwitch.CheckedChange += (o, e) => { editor.PutBoolean("settingsNotifications", e.IsChecked); editor.Apply(); ChangeText(gpsSwitch); }; logout.Click += async(o, e) => { await SQLiteDb.LogOut(); FinishActivity(0); var intent = new Intent(this, typeof(SignInActivity)); StartActivity(intent); Finish(); }; }