The typical way to encode URLs (e.g. turn spaces into %20) was to use NSString’s stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding As you may have noticed, that method has been deprecated in iOS 9. You now need to use stringByAddingPercentEncodingWithAllowedCharacters:NSCharacterSet which takes an NSCharacterSet as it’s argument. What NSCharacterSet am I supposed to use you may ask. I recently ran into […]