private async void OnItemSelected(object sender, SelectedItemChangedEventArgs e)
{
RateInfoTable selectedFriend = (RateInfoTable)e.SelectedItem;
PageRequestHistoryDescription friendPage = new PageRequestHistoryDescription();
friendPage.BindingContext = selectedFriend;
await Navigation.PushAsync(friendPage);
}
public int SaveItem(RateInfoTable item)
{
if (item.Id != 0)
{
database.Update(item);
return(item.Id);
}
else
{
return(database.Insert(item));
}
}
public async void getValute(string name)
{
string url = "https://www.cbr-xml-daily.ru/daily_json.js";
try
{
HttpClient client = new HttpClient();
client.BaseAddress = new Uri(url);
var response = await client.GetAsync(client.BaseAddress);
response.EnsureSuccessStatusCode();
var content = await response.Content.ReadAsStringAsync();
JObject o = JObject.Parse(content);
var str = o.SelectToken(@"$.Valute." + name);
var rateInfo = JsonConvert.DeserializeObject <RateInfo>(str.ToString());
this.Value = rateInfo.Value;
this.Previous = rateInfo.Previous;
this.CharCode = rateInfo.CharCode;
this.Name = rateInfo.Name;
this.Nominal = rateInfo.Nominal;
str = o.SelectToken(@"$");
rateInfo = JsonConvert.DeserializeObject <RateInfo>(str.ToString());
this.Date = rateInfo.Timestamp;
RateInfoTable objectRateInfo = new RateInfoTable();
objectRateInfo.Timestamp = DateTime.Now.ToString();
objectRateInfo.CharCode = this.charcode;
objectRateInfo.Name = this.name;
objectRateInfo.Nominal = this.nominal;
objectRateInfo.Value = this.value;
objectRateInfo.Previous = this.previous;
App.Database.SaveItem(objectRateInfo);
}
catch (Exception ex)
{ }
}
