/// <summary>
/// Cria uma nova MainPage (que por sua vez abre a Dashboard)
/// </summary>
protected override bool OnBackButtonPressed()
{
var page = new MainMasterPage();
Application.Current.MainPage = page;
return(true);
}
async void OnSignInClicked(object sender, System.EventArgs e)
{
IsEnabled = false;
if (entryUsername.Text == "" && entryPassword.Text == "")
{
await DisplayAlert("Login", "Login successful", "Ok");
var page = new MainMasterPage();
Application.Current.MainPage = page; // MainPage inicial é LoginPage. Com um login bem sucedido basta trocar MainPage para a pagina desejada.
}
else
{
await DisplayAlert("Login", "Login failed. Wrong credentials", "Try again.");
var page = new MainMasterPage();
Application.Current.MainPage = page;
}
IsEnabled = true;
}