public Task <FacebookUserInfo> GetUserInfo()
{
var keys = new object [] { "fields" };
var values = new object [] { "id,first_name,last_name,email" };
string version = new GraphRequest("/me", null).Version;
string httpMethod = new GraphRequest("/me", null).HTTPMethod;
GraphRequest graphRequest = new GraphRequest("/me", NSDictionary.FromObjectsAndKeys(values, keys), AccessToken.CurrentAccessToken.TokenString, version, httpMethod);
var tcs = new TaskCompletionSource <FacebookUserInfo>();
graphRequest.Start((GraphRequestConnection connection, NSObject result, NSError error) =>
{
if (error == null)
{
tcs.TrySetResult(FacebookUserInfo.CreateFrom(((NSDictionary)result).Select(v => new KeyValuePair <string, string>(v.Key.ToString(), v.Value.ToString())).ToDictionary(v => v.Key, v => v.Value)));
}
else
{
tcs.SetException(new NSErrorException(error));
}
});
return(tcs.Task);
}
public void OnCompleted(GraphResponse response)
{
if (response.Error == null)
{
Org.Json.JSONArray userInfoKeys = response.JSONObject.Names();
Dictionary <string, string> userInfo = new Dictionary <string, string>();
for (int i = 0; i < userInfoKeys.Length(); i++)
{
userInfo.Add(userInfoKeys.Get(i).ToString(), response.JSONObject.GetString(userInfoKeys.Get(i).ToString()));
}
_taskCompletionSource.TrySetResult(FacebookUserInfo.CreateFrom(userInfo));
}
else
{
_taskCompletionSource.TrySetException(response.Error.Exception);
}
}
