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InputBarAccessoryView

Features

  • Autocomplete text with @mention, #hashtag or any other prefix
  • A self-sizing UITextView with an optional fixed height (can be replaced with any other view)
  • Image paste support
  • Autocomplete attributed text highlighting
  • Reactive components that respond to given events
  • Top/Bottom/Left/Right InputStackViews that act as toolbars to place buttons
  • RxSwift/RxCocoa Support with RxExtensions Cocoapod subspec
  • Drop in attachment view for file/photo management
  • Plugin support for your own InputPlugins
  • Compatible with all iPhones and iPads
  • RTL Support

Installation via CocoaPods

# Swift 5.0
pod 'InputBarAccessoryView'
# Swift 4.2
pod 'InputBarAccessoryView', '4.2.2'

Installation via Carthage

# Swift 5.0
github "nathantannar4/InputBarAccessoryView"
# Swift 4.2
github "nathantannar4/InputBarAccessoryView" "4.2.2"

Requirements

iOS 9.0+ Swift 5.0

The latest Swift 4.2 release is v4.2.2

Documentation

Getting Started

See the Example project to see how you can make the iMessage, Slack, Facebook and GitHawk input bars!

Example Usage

Featured In

Add your app to the list of apps using this library and make a pull request.

See Also

iMessage style TypingIndicator for chat apps

Latest Releases

  • 4.3.2
    • Fixed a bug where editing immediately before a tag prefix would break the tag
  • 4.3.1
    • Add RxSwift/RxCocoa support through extensions and delegate proxies, requires Cocoapods installation of InputBarAccessoryView/RxExtensions
  • 4.3.0
    • Swift 5 support
  • 4.2.2
    • Fixed image paste orientation issue in InputTextView
  • 4.2.1
    • Fixed autocompletes of completions that contain spaces
    • Depricated isCaseSensitive in favor of a function asignment to pre-process autocompletions
  • 4.2.0
    • Added new API for overriding the main middle view, normally the InputTextView so it can be replaced with views such as a "Join" button", setMiddleContentView(_ view: UIView?, animated: Bool)
  • 4.1.2 - Add InputBarViewController which contains an InputBarAccessoryView as the inputAccessoryView by default with a convenient isInputBarHidden: Bool property to show/hide it
  • 4.1.1 - Add frameInsets: HorizontalEdgePadding property to InputBarAccessoryView to inset the view to be compatible with UISplitViewController or other custom containers where the view should not be the full width
  • 4.1.0 - Fix issue where setting long strings in viewDidLoad broke inital layout, Issue #41 - Add deleteCompletionByParts: Bool flag to AutocompleteManager to allow for partial deletions of autocompletes rather than just the entire substring. - Add InputBarSendButton to use as the sendButton in InputBarAccessoryView. This subclass of InputBarButtonItem has a UIActivityIndicatorView to show a spinner when making HTTP requests

CHANGELOG

Find a bug? Open an issue!

Layout

The layout of the InputBarAccessoryView is made of of 4 InputStackView's and an InputTextView. The padding of the subviews can be easily adjusted by changing the padding and textViewPadding properties. The constraints will automatically be updated.

It is important to note that each of the InputStackView 's to the left and right of the InputTextView are anchored by a width constraint. This way the InputTextView will always fill the space inbetween in addition to providing methods that can easily be called to hide all buttons to the right or left of the InputTextView by setting the width constraint constant to 0. The bottom and top stack views are not height constraint and rely on their intrinsicContentSize

func setLeftStackViewWidthConstant(to newValue: CGFloat, animated: Bool)

func setRightStackViewWidthConstant(to newValue: CGFloat, animated: Bool)

Reactive Hooks

Each InputBarButtonItem has properties that can hold actions that will be executed during various hooks such as the button being touched, the UITextView text changing and more! Thanks to these easy hooks with a few lines of code the items can be easily resized and animated similar to that of the Facebook messenger app.

// MARK: - Hooks
    
public typealias InputBarButtonItemAction = ((InputBarButtonItem) -> Void)    
    
private var onTouchUpInsideAction: InputBarButtonItemAction?
private var onKeyboardEditingBeginsAction: InputBarButtonItemAction?
private var onKeyboardEditingEndsAction: InputBarButtonItemAction?
private var onKeyboardSwipeGestureAction: ((InputBarButtonItem, UISwipeGestureRecognizer) -> Void)?
private var onTextViewDidChangeAction: ((InputBarButtonItem, InputTextView) -> Void)?
private var onSelectedAction: InputBarButtonItemAction?
private var onDeselectedAction: InputBarButtonItemAction?
private var onEnabledAction: InputBarButtonItemAction?
private var onDisabledAction: InputBarButtonItemAction?

Author

Nathan Tannar - https://nathantannar.me

License

Distributed under the MIT license. See LICENSE for more information.