protected override async void OnAppearing()
{
base.OnAppearing();
Lab7BItemDatabase database = await Lab7BItemDatabase.Instance;
listView.ItemsSource = await database.GetItemsAsync();
}
async void OnDeleteClicked(object sender, EventArgs e)
{
var todoItem = (Lab7BItem)BindingContext;
Lab7BItemDatabase database = await Lab7BItemDatabase.Instance;
await database.DeleteItemAsync(todoItem);
await Navigation.PopAsync();
}
public Lab7BItemPageCS()
{
Title = "Lab7B Item";
var nameEntry = new Entry();
nameEntry.SetBinding(Entry.TextProperty, "TheFact");
var notesEntry = new Entry();
notesEntry.SetBinding(Entry.TextProperty, "ShortFact");
var doneSwitch = new Switch();
doneSwitch.SetBinding(Entry.TextProperty, "ImageFile");
var saveButton = new Button {
Text = "Save"
};
saveButton.Clicked += async(sender, e) =>
{
var todoItem = (Lab7BItem)BindingContext;
Lab7BItemDatabase database = await Lab7BItemDatabase.Instance;
await database.SaveItemAsync(todoItem);
await Navigation.PopAsync();
};
var deleteButton = new Button {
Text = "Delete"
};
deleteButton.Clicked += async(sender, e) =>
{
var lab7BItem = (Lab7BItem)BindingContext;
Lab7BItemDatabase database = await Lab7BItemDatabase.Instance;
await database.DeleteItemAsync(lab7BItem);
await Navigation.PopAsync();
};
var cancelButton = new Button {
Text = "Cancel"
};
cancelButton.Clicked += async(sender, e) =>
{
await Navigation.PopAsync();
};
Content = new StackLayout
{
Margin = new Thickness(20),
VerticalOptions = LayoutOptions.StartAndExpand,
Children =
{
new Label {
Text = "TheFact"
},
nameEntry,
new Label {
Text = "ShortFac"
},
notesEntry,
new Label {
Text = "ImageFile"
},
doneSwitch,
saveButton,
deleteButton,
cancelButton
}
};
}