public static async Task <BitmapImage> DownloadFile(Uri uri)
{
Windows.Web.Http.HttpClient http = new Windows.Web.Http.HttpClient();
try
{
IBuffer buffer = await http.GetBufferAsync(uri);
BitmapImage img = new BitmapImage();
using (IRandomAccessStream stream = new InMemoryRandomAccessStream())
{
await stream.WriteAsync(buffer);
stream.Seek(0);
await img.SetSourceAsync(stream);
await StorageImageFolder(stream, uri);
return(img);
}
}
catch (Exception) { return(null); }
finally
{
http.Dispose();
}
}
public void Dispose()
{
if (myClient != null)
{
myClient.Dispose();
}
}
public async Task <Answer> PostAsync(string api, string content)
{
Windows.Web.Http.HttpClient client = new Windows.Web.Http.HttpClient();
try
{
var postContent = new Windows.Web.Http.HttpStringContent(content);
Uri resourceAddress = new Uri(api);
Windows.Web.Http.HttpResponseMessage response = await client.PostAsync(resourceAddress, postContent);
string responseContent = await response.Content.ReadAsStringAsync();
if (response.StatusCode == Windows.Web.Http.HttpStatusCode.Ok)
{
return(new Answer(responseContent, ResponseStatus.Success));
}
else if (response.StatusCode == Windows.Web.Http.HttpStatusCode.BadRequest)
{
return(new Answer(responseContent, ResponseStatus.InvalidToken));
}
else if ((int)response.StatusCode == 429)
{
return(new Answer(responseContent, ResponseStatus.InvalidToken));
}
}
catch (HttpRequestException)
{
client.Dispose();
}
catch (Exception)
{
client.Dispose();
}
Uri dataUri = new Uri("ms-appx:///DataModel/ConnectionError.json");
var file = await Windows.Storage.StorageFile.GetFileFromApplicationUriAsync(dataUri);
string jsonText = await Windows.Storage.FileIO.ReadTextAsync(file);
return(new Answer(jsonText, ResponseStatus.ConnectionError));
}
