private void _OnLoaded()
{
FacebookLoginService service = null;
try
{
service = new FacebookLoginService(_appKey, _appId);
if (!FacebookClientApplication.Current2.KeepMeLoggedIn)
{
service.ClearCachedCredentials();
}
_service = service;
service = null;
if (_service.HasCachedSessionInfo)
{
try
{
_OnUserLoggedIn();
return;
}
catch (Exception)
{
_service.ClearCachedCredentials();
}
}
LoginBrowser.Navigate(_service.GetLoginUri(_GrantedPermissionUri, _DeniedPermissionUri, _RequiredPermissions));
}
catch (Exception ex)
{
_SwitchToErrorPage(ex, _service != null);
}
}
public async Task SetFacebookUserProfileAsync(string accessToken)
{
var webserve = new WebServices();
var facebookServices = new FacebookLoginService();
var Fbprofile = await facebookServices.GetFacebookProfileAsync(accessToken);
var alreadyRegistered = false;
var users = JsonConvert.DeserializeObject <UserModel[]>(await webserve.GetUsers());
foreach (var item in users)
{
if (item.Fullname.Equals(Fbprofile.Name))
{
Settings.Token = item.UserId;
Settings.Profile = JsonConvert.SerializeObject(item);
CloseLoginPage();
await _navigationService.NavigateAsync(new Uri("http://myapp.com/RootPage/SubscriberLanding/Discover", UriKind.Absolute), null, true, true);
alreadyRegistered = true;
return;
}
}
if (alreadyRegistered == false)
{
bool register = await webserve.RegisterUser(Fbprofile.Id,
Fbprofile.FirstName,
Fbprofile.LastName,
Fbprofile.Name,
Fbprofile.Gender,
Fbprofile.Picture.Data.Url);
if (register)
{
var user = JsonConvert.DeserializeObject <UserModel[]>(await webserve.GetUsers());
foreach (var item in user)
{
if (item.Fullname.Equals(Fbprofile.Name))
{
Settings.Token = item.UserId;
Settings.Profile = JsonConvert.SerializeObject(item);
CloseLoginPage();
await _navigationService.NavigateAsync(new Uri("http://myapp.com/RootPage/SubscriberLanding/Discover", UriKind.Absolute), null, true, true);
return;
}
}
}
else
{
await PopupNavigation.Instance.PopAllAsync();
await pageDialogService.DisplayAlertAsync("Ooops!", "It seems like there is a problem. Please login again.", "OK");
}
}
}
public async Task <ContentResult> Facebook(string access_token, string user_id, AppName app_name)
{
var loginResult = await FacebookLoginService.Login(access_token, GetRequestIpAddress(), new LoginContext()
{
AppName = app_name,
LoginType = LoginType.fb,
UserId = user_id,
});
return(Content(loginResult.ToJson(), "application/json"));
}
