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Chatto

Chatto is a Swift lightweight framework to build chat applications. It's been designed to be extensible and performant. Along with Chatto there is ChattoAdditions, a companion framework which includes cells for messages and an extensible input component. You can find more details about how it was implemented in our blog. See them in action!

Features

Calculation of collection view changes and layout in background
Supports pagination in both directions and autoloading
Message count contention for fast pagination and rotation with thousands of messsages
Accessory view revealing by swiping from right
Interactive keyboard dismissal
Text bubbles
Photo bubbles
Extensible input bar

How to use

Check the wiki!

How to install

CocoaPods

Make sure use_frameworks! is added to your Podfile.
Include the following in your Podfile:

pod 'Chatto', '= 2.0.0'
pod 'ChattoAdditions', '= 2.0.0' # if you want to use the cells or the input component

If you like living on the bleeding edge, you can use the dev branch with:

pod 'Chatto', :git => 'https://github.com/badoo/Chatto', :branch => 'dev'
pod 'ChattoAdditions', :git => 'https://github.com/badoo/Chatto', :branch => 'dev'

ChattoAdditions won't compile with -O optimization due to https://bugs.swift.org/browse/SR-2223. Add the following post_install phase to your Podfile:

# workaround for https://bugs.swift.org/browse/SR-2223
post_install do |installer_representation|
  installer_representation.pods_project.targets.each do |target|
    if target.name == 'ChattoAdditions'
      target.build_configurations.each do |config|
        if config.name == 'Release'
          config.build_settings['SWIFT_OPTIMIZATION_LEVEL'] = '-Owholemodule'
        end
      end
    end
  end
end

Run pod install

Carthage

If you’re using Carthage, simply add Chatto to your Cartfile:

github "badoo/Chatto"

Manually

Clone, add as a submodule or download.
Drag and drop Chatto and/or ChattoAdditions project to your workspace
Add Chatto and/or ChattoAdditions to Embedded binaries

License

Source code is distributed under MIT license.

Android

Check our colleagues' project Chateau!

##Blog Read more on our tech blog or explore our other open source projects

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