iOS Capture a UIView as a a JPEG image using Swift This technique demonstrates the simple but useful task of capturing the contents of a UIView as a JPEG image data object.
iOS Sending Email with Image Attachments in Swift This quick post summarizes the steps to implement sending email from Swift. As an added twist, this post includes capturing an image from one of the app's UIViews.
iOS Drawing with Core Graphics using Swift This techique illustrates a mid-level technique: impelmenting custom Core Graphics drawing in a UIView.
iOS iOS Image Caching for UIKit Apps In this article I'll cover a simple and straightforward approach to fetching images from remote web servers and efficiently caching them so they aren't retrieved more frequently than necessary.