void OnAddItemClicked (object sender, EventArgs e)
{
var todoItem = new TodoItem () {
ID = Guid.NewGuid ().ToString ()
};
var todoPage = new TodoItemPage (true);
todoPage.BindingContext = todoItem;
Navigation.PushAsync (todoPage);
}
public async Task SaveTodoItemAsync (TodoItem item, bool isNewItem = false)
{
// RestUrl = http://developer.xamarin.com:8081/api/todoitems{0}
var uri = new Uri (string.Format (Constants.RestUrl, item.ID));
try {
var json = JsonConvert.SerializeObject (item);
var content = new StringContent (json, Encoding.UTF8, "application/json");
HttpResponseMessage response = null;
if (isNewItem) {
response = await client.PostAsync (uri, content);
} else {
response = await client.PutAsync (uri, content);
}
if (response.IsSuccessStatusCode) {
Debug.WriteLine (@" TodoItem successfully saved.");
}
} catch (Exception ex) {
Debug.WriteLine (@" ERROR {0}", ex.Message);
}
}
public Task DeleteTaskAsync (TodoItem item)
{
return restService.DeleteTodoItemAsync (item.ID);
}
public Task SaveTaskAsync (TodoItem item, bool isNewItem = false)
{
return restService.SaveTodoItemAsync (item, isNewItem);
}
public Task DeleteTaskAsync(TodoItem item)
{
return(restService.DeleteTodoItemAsync(item.ID));
}
public Task SaveTaskAsync(TodoItem item, bool isNewItem = false)
{
return(restService.SaveTodoItemAsync(item, isNewItem));
}
public Task SaveTaskAsync(TodoItem item)
{
return(restService.SaveTodoItemAsync(item));
}