FaceBook Login

• Log in to your Facebook account.
• Go to Facebook for Developers, click on My Apps and press Create App.
• Select Consumer. and click Next.
• Set the Display Name of your application.
• Enter the Contact Email.
• Click on Create App.
• Navigate to Facebook Login and press the Set up button.
• Select IOS from the displayed platforms.
• Add your package name that uniquely identifies your IOS app
• Put that key in Info.plist file

To show and hide facebook login button, You can go to struct ControlSettings. In that struct you can change the setting accordingly