A drop-in UIViewController subclass with a growing text input view and other useful messaging features. Meant to be a replacement for UITableViewController & UICollectionViewController. This library is used in our iOS app. At its inception, the library satisfied our product needs and was flexible enough to be reused by others wanting to build great messaging apps for iOS. Works out of the box with UITableView or UICollectionView or UIScrollView. Growing Text View, with line count limit support. Flexible UI built with Auto Layout. Customizable: provides left and right button, and toolbar outlets. Tap Gesture for dismissing the keyboard. External keyboard commands support. Undo/Redo (with keyboard commands and UIMenuController). Text Appending APIs. For Carthage & CocoaPods, Objective-C & Swift, iOS 7, 8 & 9, iPhone & iPad, and more.