public static async Task GetInfo(Action <JObject> onCompleted)
{
IsLoginCall = false;
var accessToken = await RefreshAccessToken();
var param = NSDictionary.FromObjectAndKey(CurrentParameters.ToString(",").ToNs(), "fields".ToNs());
var request = new SDK.CoreKit.GraphRequest("me", param, accessToken.TokenString, null, "GET");
request.Start(new SDK.CoreKit.GraphRequestBlockHandler(GraphCallback));
UserInfoFetched.ClearHandlers();
UserInfoFetched.Handle(onCompleted);
}
public static async Task SetFromApi <TViewModel, TApiResult>(
this Bindable <TViewModel> @this,
Expression <Func <TViewModel, TApiResult> > viewModelProperty,
string apiUrl,
AsyncEvent <RevisitingEventArgs> pageRevisiting = null)
{
var binding = new Bindable <TViewModel> .ViewModelMemberBinding <TApiResult>(@this, viewModelProperty);
var cacheAvailable = false;
async Task refresh()
{
var fresh = await BaseApi.Get <TApiResult>(apiUrl, cacheChoice : ApiResponseCache.PreferThenUpdate, refresher : binding.Update);
if (!cacheAvailable && fresh != null)
{
binding.Update(fresh);
}
}
// If there is a cached result already available, set it immediately
var result = await BaseApi.Get <TApiResult>(apiUrl, cacheChoice : ApiResponseCache.CacheOrNull);
if (result != null)
{
cacheAvailable = true;
await binding.Update(result);
}
// Otherwise send a fresh request and apply the value.
refresh().RunInParallel();
// When gone back to the page, also refresh.
if (pageRevisiting != null)
{
pageRevisiting.Handle(x => refresh());
}
}
static PushNotification()
{
ReceivedError.Handle(error => Log.For(typeof(PushNotification)).Error("Push Notification Error: " + error));
Init();
}