private Task<FacebookUser> getUserData(Facebook.CoreKit.AccessToken token)
{
var fbUser = new FacebookUser()
{
Token = token.TokenString,
ExpiryDate = token.ExpirationDate.ToDateTime()
};
var completion = new TaskCompletionSource<FacebookUser>();
var request = new GraphRequest("me", NSDictionary.FromObjectAndKey(new NSString("id, first_name, last_name, email, location"), new NSString("fields")), "GET");
request.Start((connection, result, error) =>
{
if(error != null)
{
Mvx.Trace(MvxTraceLevel.Error, error.ToString());
}
else
{
var data = NSJsonSerialization.Serialize(result as NSDictionary, 0, out error);
if(error != null)
{
Mvx.Trace(MvxTraceLevel.Error, error.ToString());
}
else
{
var json = new NSString(data, NSStringEncoding.UTF8).ToString();
fbUser.User = JsonConvert.DeserializeObject<User>(json);
fbUser.User.ProfilePictureUrl = string.Format("https://graph.facebook.com/{0}/picture?width={1}&height={1}", fbUser.User.ID, Constants.FBProfilePicSize);
}
completion.TrySetResult(fbUser);
}
});
return completion.Task;
}
private Task<FacebookUser> getUserData(Xamarin.Facebook.AccessToken token)
{
var fbUser = new FacebookUser()
{
Token = token.Token,
ExpiryDate = token.Expires.ToDateTime()
};
var completion = new TaskCompletionSource<FacebookUser>();
var callback = new GraphRequestCallback(completion, fbUser);
var request = GraphRequest.NewMeRequest(token, callback);
Bundle parameters = new Bundle();
parameters.PutString("fields", "id, first_name, last_name, email");
request.Parameters = parameters;
request.ExecuteAsync();
return completion.Task;
}
public GraphRequestCallback(TaskCompletionSource<FacebookUser> completion, FacebookUser initialToken)
{
_completion = completion;
_initialToken = initialToken;
}