public App()
{
InitializeComponent();
if (MobileServiceUsers.GetCredentials())
{
MainPage = new NavigationBar();
return;
}
MainPage = new Login();
}
private async void BtnLogin(object sender, EventArgs e)
{
var res = await MobileServiceUsers.LoginUserAsync(new Users()
{
UserName = users.Users.UserName, Password = users.Users.Password
});
if (res)
{
Application.Current.MainPage = new Navigation.NavigationBar();
}
else
{
users.Users.UserName = "";
users.Users.Password = "";
await DisplayAlert("Invalid Credentials", "Check username and password", "Ok");
}
}
private void ListView_ItemSelected(object sender, SelectedItemChangedEventArgs e)
{
var item = e.SelectedItem as NavigationBarMenuItem;
if (item == null)
{
return;
}
if (item.Title == "Logout")
{
MobileServiceUsers.Logout();
Application.Current.MainPage = new Login();
return;
}
var page = (Page)Activator.CreateInstance(item.TargetType);
page.Title = item.Title;
Detail = new NavigationPage(page);
IsPresented = false;
MasterPage.ListView.SelectedItem = null;
}