public static IAsyncAction LoadAndDisplayTagOptionsAsync(ListView listView, string apiSiteParameter)
{
return(AsyncInfo.Run(async(cancellationToken) =>
{
// Create a unique file name per website.
string tagsFileName = "tags." + apiSiteParameter + ".json";
string content = await FilesManager.LoadAsync(storageFolder, tagsFileName);
if (String.IsNullOrEmpty(content))
{
// Get content from the web.
string customUriString = String.Format(tagsUriString, apiSiteParameter);
content = await LoadFromWeb(customUriString);
if (String.IsNullOrEmpty(content))
{
// No content found, there is nothing else to do.
return;
}
// Save it locally.
await FilesManager.SaveAsync(storageFolder, tagsFileName, content);
}
// Parse content.
JsonObject jsonObject;
if (!JsonObject.TryParse(content, out jsonObject))
{
Debug.WriteLine("Invalid JSON oject: {0}", content);
return;
}
if (!jsonObject.ContainsKey("items"))
{
Debug.WriteLine("No items value.");
return;
}
JsonArray tagsArray = jsonObject.GetNamedArray("items");
foreach (IJsonValue jsonValue in tagsArray)
{
var option = new BindableTagOption(jsonValue.GetObject());
listView.Items.Add(option);
}
}));
}
public static IAsyncAction LoadAndDisplayTagOptionsAsync(ListView listView, string apiSiteParameter)
{
return AsyncInfo.Run(async (cancellationToken) =>
{
// Create a unique file name per website.
string tagsFileName = "tags." + apiSiteParameter + ".json";
string content = await FilesManager.LoadAsync(storageFolder, tagsFileName);
if (String.IsNullOrEmpty(content))
{
// Get content from the web.
string customUriString = String.Format(tagsUriString, apiSiteParameter);
content = await LoadFromWeb(customUriString);
if (String.IsNullOrEmpty(content))
{
// No content found, there is nothing else to do.
return;
}
// Save it locally.
await FilesManager.SaveAsync(storageFolder, tagsFileName, content);
}
// Parse content.
JsonObject jsonObject;
if (!JsonObject.TryParse(content, out jsonObject))
{
Debug.WriteLine("Invalid JSON oject: {0}", content);
return;
}
if (!jsonObject.ContainsKey("items"))
{
Debug.WriteLine("No items value.");
return;
}
JsonArray tagsArray = jsonObject.GetNamedArray("items");
foreach (IJsonValue jsonValue in tagsArray)
{
var option = new BindableTagOption(jsonValue.GetObject());
listView.Items.Add(option);
}
});
}