protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.Button> e)
{
base.OnElementChanged(e);
if (e.OldElement != null || this.Element == null)
{
return;
}
loginButton = new LoginButton(new CGRect(48, 0, 218, 46))
{
LoginBehavior = LoginBehavior.Native,
ReadPermissions = readPermissions.ToArray()
};
var facebookLoginButtonText = new NSAttributedString("Entrar com Facebook",
new UIStringAttributes()
{
ForegroundColor = UIColor.White
});
loginButton.SetAttributedTitle(facebookLoginButtonText, UIControlState.Normal);
loginButton.Completed += (sender, args) =>
{
FacebookButton facebookButton = (FacebookButton)e.NewElement;
FacebookEventArgs fbArgs = new FacebookEventArgs();
if (args.Result.Token != null)
{
fbArgs.UserId = args.Result.Token.UserID;
fbArgs.AccessToken = args.Result.Token.TokenString;
fbArgs.TokenExpiration = args.Result.Token.ExpirationDate.ToDateTime();
var request = new GraphRequest("/" + args.Result.Token.UserID, new NSDictionary("fields", "first_name,last_name,email,birthday,picture"), AccessToken.CurrentAccessToken.TokenString, null, "GET");
request.Start((connection, result, error) =>
{
var userInfo = result as NSDictionary;
nameLabel.Text = userInfo["first_name"].ToString();
((App)App.Current).settings.AccessToken = fbArgs.AccessToken;
try
{
//((App)App.Current).settings.BirthDay = DateTime.Parse(userInfo["birthday"].ToString() + " 00:00:00");
((App)App.Current).settings.Email = userInfo["email"].ToString();
}
catch (Exception erro)
{
Console.WriteLine(erro.Message);
}
((App)App.Current).settings.ExpirinDate = fbArgs.TokenExpiration;
((App)App.Current).settings.Name = userInfo["first_name"].ToString() + " " + userInfo["last_name"].ToString();
((App)App.Current).settings.Imagem = userInfo["picture"].ToString();
var picture = userInfo["picture"] as NSDictionary;
picture = picture["data"] as NSDictionary;
((App)App.Current).settings.Imagem = picture["url"].ToString();
((App)App.Current).settingsViewModel.Gravar();
((App)App.Current).NavigateToHome();
});
}
facebookButton.Login(facebookButton, fbArgs);
// The user image profile is set automatically once is logged in
//pictureView = new ProfilePictureView(new CGRect(80, -500, 220, 220));
//this.AddSubview(pictureView);
nameLabel = new UILabel(new RectangleF(80, -200, 280, 280))
{
TextAlignment = UITextAlignment.Center,
BackgroundColor = UIColor.Clear
};
this.AddSubview(nameLabel);
};
SetNativeControl(loginButton);
}
