void IFacebookApiClient.SignIn(Action <string, bool, Error> completionHandler)
{
// get current VC
UIViewController mainVC = UIApplication.SharedApplication.KeyWindow.RootViewController;
var currentPresentedVC = mainVC;
while (currentPresentedVC.PresentedViewController != null)
{
currentPresentedVC = currentPresentedVC.PresentedViewController;
}
// show Facebook login flow
var manager = new Facebook.LoginKit.LoginManager();
manager.LogInWithReadPermissions(new string[] { "public_profile" }, currentPresentedVC, delegate(Facebook.LoginKit.LoginManagerLoginResult result, Foundation.NSError error)
{
if (error != null)
{
completionHandler(null, false, new Error(ErrorCode.Facebook_iOS_LoginError, error.LocalizedDescription));
}
else if (result.IsCancelled)
{
completionHandler(null, true, null);
}
else
{
completionHandler(result.Token.TokenString, false, null);
}
});
}
public override void Share(string text, EventHandler <bool> done)
{
try
{
var login = new Facebook.LoginKit.LoginManager();
login.LogInWithPublishPermissions(new[] { "publish_actions" }, async(result, error) =>
{
if (error != null)
{
done(this, false);
return;
}
// Handle if the user cancelled the request
if (result.IsCancelled)
{
done(this, false);
return;
}
string publishToken = result.Token.TokenString;
await doAGraphReqest_Status(text, publishToken, done);
});
//Facebook.ShareKit.ShareOpenGraphAction share = Facebook.ShareKit.ShareOpenGraphAction.Action("like", )
}
catch (Exception)
{
done(this, false);
}
}
public static async void Login(WebAuthenticator authenticator)
{
var fbAuth = authenticator as FacebookAuthenticator;
try
{
fb.CoreKit.Settings.AppID = fbAuth.ClientId;
var loginManager = new fb.LoginKit.LoginManager();
var window = UIKit.UIApplication.SharedApplication.KeyWindow;
var root = window.RootViewController;
if (root != null)
{
var current = root;
while (current.PresentedViewController != null)
{
current = current.PresentedViewController;
}
var resp = await loginManager.LogInWithReadPermissionsAsync(authenticator.Scope.ToArray(), current);
if (resp.IsCancelled)
{
authenticator.OnCancelled();
return;
}
var date = (DateTime)resp.Token.ExpirationDate;
var expiresIn = (long)(date - DateTime.Now).TotalSeconds;
fbAuth.OnRecievedAuthCode(resp.Token.TokenString, expiresIn);
}
}
catch (Exception ex)
{
authenticator.OnError(ex.Message);
}
}
public async Task LoginUser(MobileServiceClient client)
{
msClient = client;
bool useFBSDK = true;
var viewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
if (useFBSDK)
{
var fbLoginMgr = new Facebook.LoginKit.LoginManager();
var fbLoginResult = await fbLoginMgr.LogInWithReadPermissionsAsync(
new string[] { "public_profile" }, viewController);
string token = fbLoginResult.Token.TokenString;
JObject tokenPayload = new JObject();
tokenPayload.Add("access_token", token);
var user = await client.LoginAsync(MobileServiceAuthenticationProvider.Facebook,
tokenPayload);
CacheUserCredentials(client.MobileAppUri.OriginalString, user);
}
else
{
var user = await client.LoginAsync(viewController, MobileServiceAuthenticationProvider.Facebook,
Constants.LOGIN_RETURN_URI_SCHEME);
CacheUserCredentials(client.MobileAppUri.OriginalString, user);
}
}
public static async void Login (WebAuthenticator authenticator)
{
var fbAuth = authenticator as FacebookAuthenticator;
try
{
fb.CoreKit.Settings.AppID = fbAuth.ClientId;
var loginManager = new fb.LoginKit.LoginManager();
var window = UIKit.UIApplication.SharedApplication.KeyWindow;
var root = window.RootViewController;
if (root != null)
{
var current = root;
while (current.PresentedViewController != null)
{
current = current.PresentedViewController;
}
var resp = await loginManager.LogInWithReadPermissionsAsync(authenticator.Scope.ToArray(),current);
if (resp.IsCancelled)
{
authenticator.OnCancelled();
return;
}
var date = (DateTime)resp.Token.ExpirationDate;
var expiresIn = (long)(date - DateTime.Now).TotalSeconds;
fbAuth.OnRecievedAuthCode(resp.Token.TokenString,expiresIn);
}
}
catch (Exception ex)
{
authenticator.OnError(ex.Message);
}
}
public void Login(string[] permission)
{
Facebook.LoginKit.LoginManager manager = new Facebook.LoginKit.LoginManager();
manager.LogInWithReadPermissions(permission, UIApplication.SharedApplication.KeyWindow.RootViewController, (result, error) =>
{
if (error != null)
{
MessagingCenter.Send <string, FacebookLoginResult>("FacebookSDK", "OnLogin", new FacebookLoginResult
{
isSuccess = false,
message = error.LocalizedDescription
});
}
else if (result.IsCancelled)
{
MessagingCenter.Send <string, FacebookLoginResult>("FacebookSDK", "OnLogin", new FacebookLoginResult
{
isSuccess = false,
message = "User cancel"
});
}
else
{
var accessToken = result.Token;
MessagingCenter.Send <string, FacebookLoginResult>("FacebookSDK", "OnLogin", new FacebookLoginResult
{
isSuccess = true,
message = "Success"
});
}
});
}
public static void Logout()
{
var manager = new fb.LoginKit.LoginManager();
manager.LogOut();
}
