In this tutorial, we’ll look at how to setup a Twitter & Facebook Login and Signup view so you can get users signed up with minimal effort. The article will walk you through how to get all the configuration setup using Parse’s default Login and Signup views.
Reposted with correct links
In your Xcodes navigation area, right click paws project and select New File… in iOS->Source, select Objective-C file and hit next. Name your file any name you want and click next. Dialog box will pop up asking if you would like to configure an Objective-C bridging header, click Create Bridging Header.
Prior to iOS 9 when the user needs to connect to a web page the URL is
handed off to safari. forcing the user to exit out of your application. In
iOS 9 the Safari View Controller can be used to provide a full web
experience inside of your application. In this tutorial we will display a
webpage inside a Safari View Controller. This tutorial is made in Xcode 7
for iOS 9.