Useful-Swift-Extensions

Personally useful Swift Extensions for iOS Development; cobbled together from a variety of development projects and StackOverflow posts.

• Array+Extension - moving elements in an array from one index to another; sending elements to the front or the end of an array.

• CALayer+Extension - sending CALayer's to the front or the back of the view stack.

• Data+Extension - determining the image extension type of a data string representation of an image.

• Date+Extension - returning an Int64 representation of the current time-stamp.

• NSMutableAttribtedString+Extension - changing the color value of the whole or part of an NSMutableAttributedString.

• NSNumber+Extension - determining a Bool value from a given number. Useful when dealing with numerical values as Bools in a JSON response.

• Sequence+Extension - returning a given sequence with only unique items (removing duplicates).

• String+Extension - a variety of useful functions, including:

  • Converting a string to a dictionary (useful when working with JSON)

  • Determining if a given data string is representing an image

  • Determining if a string is the URL for an image source

  • Getting an extension of a string (e.g., getting the extension value of "www.github.com")

  • Determining if a url-string is HTTP or HTTPS

• UIApplication+Extension - determines if an app has been launched before or not; funciton for returning whatever the top-most ViewController currently is.

• UIButton+Extension - adding a UIImage to a UIButton on the right-hand side.

• UIColor+Extension - creating a UIColor from a hex-string or RGBA int values.

• UIFont+Extension - creating a UIFont with a specified weight.

• UIImage+Extension - creat a UIImage with a border of a specified width and color.

• UILabel+Extension - creating a UILabel with a specified line height.

• UINavigationController+Extension - convenience methods for setting a navigation bar to be transparent, to have a certain tint color, or a background color.

• UITableView+Extension - conveninece method to scroll to the top of a UITableView.

• URL+Extension - function for getting the image data from a specified URL.