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Programming language: Swift
License: MIT License
Tags: Chat     iOS     Swift    
Latest version: v3.1.0

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README

A community-driven replacement for JSQMessagesViewController https://messagekit.github.io

Tests Build framework Build example app Danger

codecov Carthage compatible

Goals

  • Provide a :rotating_light:safe:rotating_light: environment for others to learn and grow through Open Source.
  • Make adding Chat:speech_balloon: to a project easy.
  • Enable beautiful and customizable Chat UI's.
  • Provide an awesome Open Source project for the iOS open source community.
  • Help others learn.

Vision

See VISION.md for Goals, Scope, & Technical Considerations.

Installation

# Swift 5.0
pod 'MessageKit'

For Swift 4.2 use version 3.0.0

# Swift 4.2
pod 'MessageKit', '~> 3.0.0'

Carthage

To integrate MessageKit using Carthage, add the following to your Cartfile:

github "MessageKit/MessageKit"

[Manual]([https://github.com/MessageKit/MessageKit/blob/master/Documentation/MANUAL_INSTALLATION.md)

Requirements

  • iOS 9 or later
  • Swift 5.0 or later

Getting Started

Cell Structure

Each default cell is a subclass of MessageContentCell which has 7 parts. From top down we have a: cellTopLabel, messageTopLabel, messageContainerView, messageBottomLabel, cellBottomLabel with the avatarView and accessoryView on either side respectively. Above we see the basic TextMessageCell which uses a MessageLabel as its main content.

This structure will allow you to create a layout that suits your needs as you can customize the size, appearance and padding of each. If you need something more advanced you can implement a custom cell, which we show how to do in the Example project.

MessageInputBar Structure

The MessageInputBar, derrived from InputBarAccessoryView is a flexible and robust way of creating any kind of input layout you wish. It is self-sizing which means as the user types it will grow to fill available space. It is centered around the middleContentView which by default holds the InputTextView. This is surrounded by InputStackView's that will also grow in high based on the needs of their subviews intrinsicContentSize. See the Example project for examples on how to taylor the layout for your own needs.

Guides

Please have a look at the Quick Start guide and the FAQs.

We recommend you start by looking at the Example project or write a question with the "messagekit" tag on Stack Overflow. You can also look at previous issues here on GitHib with the "Question" tag.

For more on how to use the MessageInputBar, see the dependency it is based on InputBarAccessoryView. You can also see this [short guide]([https://github.com/MessageKit/MessageKit/blob/master/Documentation/MessageInputBar.md)

Default Cells

The type of cell rendered for a given message is based on the MessageKind

public enum MessageKind {
    case text(String) // TextMessageCell
    case attributedText(NSAttributedString) // TextMessageCell
    case photo(MediaItem) // MediaMessageCell
    case video(MediaItem) // MediaMessageCell
    case location(LocationItem) // LocationMessageCell
    case emoji(String) // TextMessageCell
    case audio(AudioItem) // AudioMessageCell
    case contact(ContactItem) // ContactMessageCell

    /// A custom message.
    /// - Note: Using this case requires that you implement the following methods and handle this case:
    ///   - MessagesDataSource: customCell(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> UICollectionViewCell
    ///   - MessagesLayoutDelegate: customCellSizeCalculator(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> CellSizeCalculator
    case custom(Any?)
}

If you choose to use the .custom kind you are responsible for all of the cells layout. Any UICollectionViewCell can be returned for custom cells which means any of the styling you provide from the MessageDisplayDelegate will not effect your custom cell. Even if you subclass your cell from MessageContentCell. Read more about custom cells

Read more about the cases on the Quick Start guide.

Contributing

Great! Look over these things first.

  • Please read our Code of Conduct
  • Check the Contributing Guide Lines.
  • Come join us on Slack and 🗣 don't be a stranger.
  • Check out the current issues and see if you can tackle any of those.
  • Download the project and check out the current code base. Suggest any improvements by opening a new issue.
  • Check out the What's Next section :point_down: to see where we are headed.
  • Check StackOverflow
  • Install SwiftLint too keep yourself in :neckbeard: style.
  • Be kind and helpful.

What's Next?

Check out the Releases to see what we are working on next.

Contact

Have a question or an issue about MessageKit? Create an issue!

Interested in contributing to MessageKit? Click here to join our Slack.

Apps using this library

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

Please provide attribution, it is greatly appreciated.

Core Team

Thanks

Many thanks to the contributors of this project.

License

MessageKit is released under the MIT License.

Inspiration

Inspired by JSQMessagesViewController :point_left: :100:


*Note that all licence references and agreements mentioned in the MessageKit(new) README section above are relevant to that project's source code only.