public ScannerPage(INavigation nav)
{
_realm = Realm.GetInstance();
_currUser = App.pubUser;
_nav = nav;
Title = "Scan";
zxing = new ZXingScannerView()
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand
};
zxing.OnScanResult += (result) =>
Device.BeginInvokeOnMainThread(async() =>
{
// Stop analysis until we navigate away so we don't keep reading barcodes
zxing.IsAnalyzing = false;
zxing.IsScanning = false;
#if __ANDROID__
// Initialize the scanner first so it can track the current context
MobileBarcodeScanner.Initialize(Application);
#endif
if (result != null)
{
var answer = await UserDialogs.Instance.ConfirmAsync("Would you like to track this barcode?", "Barcode found!", "Yes", "No");
if (answer == true)
{
string[] timeArray = DateTime.Now.ToString().Split(null);
_realm.Write(() =>
{
var newScan = _realm.CreateObject <RealmDB.ScanResult>();
newScan.Date = timeArray[0];
newScan.Time = timeArray[1] + " " + timeArray[2];
newScan.Format = result.BarcodeFormat.ToString();
newScan.Owner = _currUser;
newScan.Content = result.Text;
});
}
}
await _nav.PopAsync();
});
overlay = new ZXingDefaultOverlay
{
TopText = "Hold your phone up to the barcode",
BottomText = "Scanning will happen automatically",
};
var grid = new Grid
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
};
grid.Children.Add(zxing);
grid.Children.Add(overlay);
// The root page of your application
Content = grid;
}
public MasterPage(RealmDB.User user)
{
InitializeComponent();
var masterPageItems = new List <MasterPageItem>();
masterPageItems.Add(new MasterPageItem
{
Title = "Contacts",
IconSource = "contacts.png",
TargetType = typeof(ContactsPage)
});
masterPageItems.Add(new MasterPageItem
{
Title = "TodoList",
IconSource = "todo.png",
TargetType = typeof(TodoListPage)
});
masterPageItems.Add(new MasterPageItem
{
Title = "Reminders",
IconSource = "reminders.png",
TargetType = typeof(ReminderPage)
});
listView.ItemsSource = masterPageItems;
}
public void PostLogin(RealmDB.User user)
{
App.Current.Properties["IsLoggedIn"] = true;
App.Current.Properties["LoggedInUser"] = user.username;
App.Current.SavePropertiesAsync();
App.pubUser = user;
App.Current.MainPage = new NavigationPage(new RootPage());
}
public App()
{
InitializeComponent();
_realm = Realm.GetInstance();
var isLoggedIn = Properties.ContainsKey("IsLoggedIn") ? (bool)Properties["IsLoggedIn"] : false;
string persistUser = Properties.ContainsKey("LoggedInUser") ? (string)App.Current.Properties["LoggedInUser"] : "******";
if (isLoggedIn == true)
{
pubUser = _realm.All <RealmDB.User>().Where(u => u.username == persistUser).ToList().FirstOrDefault();
MainPage = new NavigationPage(new RootPage());
}
else
{
MainPage = new LoginPage();
}
}
// Method to login the user
public async void Login(string userParam, string passParam)
{
_realm = Realm.GetInstance();
var currentUser = _realm.All <RealmDB.User>().Where(d => (d.username == userParam)).ToList().FirstOrDefault();
if (currentUser == null)
{
// Give the user opportunity to create a new user
var answer = await UserDialogs.Instance.ConfirmAsync("User not found, create user " + userParam + "?", "Cancel", "Create");
if (answer == true)
{
_realm.Write(() =>
{
var newUser = _realm.CreateObject <RealmDB.User>();
newUser.username = userParam;
newUser.password = passParam;
});
RealmDB.User loginUser = new RealmDB.User();
loginUser.username = userParam;
loginUser.password = passParam;
// Show successful login
UserDialogs.Instance.SuccessToast("User created", null, 3000);
PostLogin(loginUser);
}
}
else
{
// Check if the username & password match
RealmDB.User loginUser = _realm.All <RealmDB.User>().Where(u => u.username == userParam && u.password == passParam).ToList().FirstOrDefault();
if (loginUser == null)
{
// Show login failure
UserDialogs.Instance.ErrorToast("Login failed", "Username or password incorrect", 3000);
}
PostLogin(loginUser);
}
}
public OptionsPageViewModel(INavigation navigation)
{
_nav = navigation;
_currUser = App.pubUser;
}
// Populates the HistoryPage listview
public HistoryPageViewModel(INavigation iNav)
{
_user = App.pubUser;
Navigation = iNav;
_realm = Realm.GetInstance();
}
public MasterPageViewModel(INavigation navigation)
{
_nav = navigation;
_currUser = App.pubUser;
}
