void HandleAddContactButtonClicked(object sender, EventArgs e)
{
MobileCenterHelpers.TrackEvent(MobileCenterConstants.AddContactButtonTapped);
Device.BeginInvokeOnMainThread(async() =>
await Navigation.PushModalAsync(new BaseNavigationPage(new ContactDetailPage(new ContactModel(), true))));
}
static async Task <HttpResponseMessage> PatchObjectToAPI <T>(string apiUrl, T data)
{
var stringPayload = await Task.Run(() => JsonConvert.SerializeObject(data)).ConfigureAwait(false);
var httpContent = new StringContent(stringPayload, Encoding.UTF8, "application/json");
var httpRequest = new HttpRequestMessage
{
Method = new HttpMethod("PATCH"),
RequestUri = new Uri(apiUrl),
Content = httpContent
};
try
{
UpdateActivityIndicatorStatus(true);
return(await _client.SendAsync(httpRequest).ConfigureAwait(false));
}
catch (Exception e)
{
MobileCenterHelpers.Log(e);
return(null);
}
finally
{
UpdateActivityIndicatorStatus(false);
}
}
protected override void OnAppearing()
{
base.OnAppearing();
MobileCenterHelpers.TrackEvent(MobileCenterConstants.ContactsListPageAppeared);
Device.BeginInvokeOnMainThread(_contactsListView.BeginRefresh);
}
static async Task <HttpResponseMessage> DeleteObjectFromAPI(string apiUrl)
{
var httpRequest = new HttpRequestMessage(HttpMethod.Delete, new Uri(apiUrl));
try
{
UpdateActivityIndicatorStatus(true);
return(await _client.SendAsync(httpRequest).ConfigureAwait(false));
}
catch (Exception e)
{
MobileCenterHelpers.Log(e);
return(null);
}
finally
{
UpdateActivityIndicatorStatus(false);
}
}
protected static async Task <HttpResponseMessage> PostObjectToAPI <T>(string apiUrl, T data)
{
var stringPayload = await Task.Run(() => JsonConvert.SerializeObject(data)).ConfigureAwait(false);
var httpContent = new StringContent(stringPayload, Encoding.UTF8, "application/json");
try
{
UpdateActivityIndicatorStatus(true);
return(await Client.PostAsync(apiUrl, httpContent).ConfigureAwait(false));
}
catch (Exception e)
{
MobileCenterHelpers.Log(e);
return(null);
}
finally
{
UpdateActivityIndicatorStatus(false);
}
}
static async Task <T> GetDataObjectFromAPI <T, U>(string apiUrl, U data = default(U))
{
var stringPayload = string.Empty;
if (data != null)
{
stringPayload = await Task.Run(() => JsonConvert.SerializeObject(data)).ConfigureAwait(false);
}
var httpContent = new StringContent(stringPayload, Encoding.UTF8, "application/json");
try
{
UpdateActivityIndicatorStatus(true);
using (var stream = await _client.GetStreamAsync(apiUrl).ConfigureAwait(false))
using (var reader = new StreamReader(stream))
using (var json = new JsonTextReader(reader))
{
if (json == null)
{
return(default(T));
}
return(await Task.Run(() => _serializer.Deserialize <T>(json)).ConfigureAwait(false));
}
}
catch (Exception e)
{
MobileCenterHelpers.Log(e);
return(default(T));
}
finally
{
UpdateActivityIndicatorStatus(false);
}
}
protected override void OnAppearing()
{
base.OnAppearing();
MobileCenterHelpers.TrackEvent(MobileCenterConstants.ContactDetailPageAppeared);
}